Product Description
Product Description
GWSP Oil free Scroll Vacuum Pump
Working principle:
GWSP oil free scroll vacuum pump is constructed with pump head assembly, crank pin assembly, bracket assembly, air flush assembly,and exhaust valve assembly.Two spiral cylinders, 1 offset and orbiting against the other fixed with an offset of 180° to form several crescent-shaped pockets of different sizes. By means of an eccentric drive, the orbiting scroll is made to orbit about the fixed scroll, reducing the volume of the pockets and compressing gas from outside towards the inside thereby pumping the gas from vacuum chamber.
Basic informations:
1) Model: GWSP1000 Oil free scroll vacuum pump
2) Ultimate vacuum pressure: 1 Pa/0.01 mbar (abs.)
3) Max suction capacity: 50Hz-16.6L/s 60Hz-20.0L/s
Safety Precautions:
The GWSP series oil free scroll vacuum pumps are suitable for clean processes only.
Do not pump toxic, explosive, flammable or corrosive substances or substances which contain chemicals, solvents or particles.GEOWELL will not perform maintenance work on pumps which have used special gases or other hazardous substances.
Be sure the inlet gas temperature must be lower than 122 °F.
Technical Specifications
| Model | GWSP40 | GWSP75 | GWSP150 | GWSP300 | GWSP600 | GWSP1000 | ||
| Pumping Speed | 50Hz | l/s | 0.5 | 1.0 | 2.0 | 4.3 | 8.7 | 16.6 |
| m3/h | 1.8 | 3.6 | 7.2 | 15.5 | 31.3 | 59.8 | ||
| cfm | 1.1 | 2.1 | 4.3 | 9.3 | 18.7 | 35.8 | ||
| 60Hz | l/s | 0.6 | 1.2 | 2.4 | 5.1 | 10.4 | 20.0 | |
| m3/h | 2.2 | 4.3 | 8.6 | 18.3 | 37.4 | 71.6 | ||
| cfm | 1.3 | 2.5 | 5.1 | 10.9 | 22.3 | 42.8 | ||
| Ultimate Pressure | Torr | ≤1.1*10-1 | ≤6.0*10-2 | ≤4.5*10-2 | ≤1.9*10-2 | ≤7.5*10-3 | ≤7.5*10-3 | |
| psi | ≤2.2*10-3 | ≤1.2*10-3 | ≤9.0*10-4 | ≤3.8*10-4 | ≤1.5*10-4 | ≤1.5*10-4 | ||
| Pa | ≤15 | ≤8 | ≤6 | ≤2.6 | ≤1 | ≤1 | ||
| mbar | ≤1.5*10-1 | ≤8.0*10-2 | ≤6.0*10-2 | ≤2.6*10-2 | ≤1.0*10-2 | ≤1.0*10-2 | ||
| Noise Level | dB(A) | ≤54 | ≤57 | ≤57 | ≤60 | ≤61 | ≤65 | |
| Leakage | mbar·l/s | 1*10-7 | ||||||
| Max. Inlet/Exhaust Pressure | MPa | 0.1 / 0.13 | ||||||
| Ambient Operation Temp. | ºF | 41~104 | ||||||
| Motor 1 phase | Power | kW | 0.25 | 0.55 | 0.55 | 0.55 | 0.75 | — |
| Voltage | V | 110~115 (60Hz),200~230 (50Hz) | — | |||||
| Speed | rpm | 1425(50Hz),1725(60Hz) | — | |||||
| Plug | North America, Europe, UK/Ireland, India | — | ||||||
| Motor 3 phase | Power | kW | — | 0.55 | 0.55 | 0.55 | 0.75 | 1.5 |
| Voltage | V | — | 200~230 or 380~415 (50Hz),200~230 or 460 (60Hz) | |||||
| Speed | rpm | — | 1425 (50Hz),1725 (60Hz) | |||||
| Inlet/Exhaust Flange | KF25/KF16 | KF40/KF16 | KF40/KF16*2 | |||||
| Dimensions | 1 phase | mm | 326*212*253 | 450*260*296 | 455*260*296 | 493*297*334 | 538*315*348 | — |
| 3 phase | mm | — | 450*260*296 | 455*260*296 | 493*297*334 | 538*315*348 | 576*450*402 | |
| Net Weight | 1 phase | kg | 15 | 21 | 22 | 29 | 36 | — |
| 3 phase | kg | — | 20 | 21 | 28 | 31 | 54 | |
| Cooling Type | Air cooled | |||||||
| Others | With air flush | |||||||
Features & Benefits
No oil clean vacuum.
No oil back-diffusion, no oil mist exhaust, provide clean vacuum environment
Wide product lineup.
Pumping speed covers 3~60 m3 /h, limited vacuum level 1~8 Pa
Suitable for all type of power supply around the world.
110/220/380/460V, 50/60Hz for choose
Low vibration, low noise.
57~65 dB(A), smooth operation
High efficiency, ease of maintenance.
No water cooled, no oil lubricated, no daily maintenance
Quality Control
CMM inspection system assures
fixed tolarance on dimension&shape
Pump Testing
Applications
Semiconductor industry.stry
Vacuum sputtering machine.
IC plasma cleaning machine.
IC plasma polishing machine.
IC packaging machine.
IC transmission chamber.
Photoelectric industry.
LED vacuum annealing furnace.
Load lock/transfer chambers.
Glove box.
LED packaging machine.
Liquid crystal injection and packaging.
Material industry.
Vacuum annealing furnace.
Vacuum diffusion oven.
3D metal printing.
Single crystal growth furnace.
Microwave cleaning and microwave drying machine.
E-beam/Laser melting.
Vacuum degassing.
Vacuum gas substitution.
Vacuum equipment.
Oil free ultrahigh vacuum unit.
Oil free vacuum unit.
Related Products
GWT40 Foreline Filter
Performance: Filter out the dust particles contained in the intake gas.
Application: Vacuum coating, food and drug processing, ceramic and glass manufacturing, vacuum CHINAMFG and vacuum packaging systems.
GWS16 Exhaust Silencer
Performance: Reduce exhaust noise from oil-free vacuum systems.
Application: Installation of oil free scroll vacuum pumps requires a quiet vacuum system.
GWMMK1000 Major Maintenance Kit
Performance: Prolong the service life of the product.
Application: For the major maintenance of oil free scroll vacuum pump GWSP1000.
GWTSK1000 Tip Seal Kit
Performance: Prolong the service life of the product.
Application: For the scheduled maintenance of oil free scroll vacuum pump GWSP1000.
Company Profile
GEOWELL VACUUM CO.,LTD. is a HI-TECH enterprise in China dedicating in manufacturing, research and development, marketing of oil free scroll vacuum pumps and vacuum compressors since 2002. GEOWELL has been providing users and partners with premium quality products that are efficient and dependable, GEOWELL believe the integration of high performance and high reliability product and service will bring the highest value to both our customers and ourselves.
FAQ
Q: How long can I get the feedback after we sent the inquiry?
A: We will reply you within 12 hours in working day.
Q: Are you direct manufacturer?
A: Yes, we are direct manufacturer with factory and international department; we manufacture and sell all our products by ourselves.
Q: When can you delivery the product to us?
A: Since we are a factory with large warehouse, we have abundant products in store, so we can delivery within 7 days after get your deposit.
Q: Can I add logo to the products?
A: Of course, but we usually have quantity requirement. You can contact with us for details.
Q: How to guarantee the quality and after sales service of your products?
A: We conduct strict detection during production from raw material come in to product delivering shipment. Every product must go through 4 steps inspection from casting, machining, assembling, and performance testing within our factory before shipment, also intact packaging test are insured.
Q: What is your warranty term?
A: There is a 12 months warranty for our export products from the date of shipment. If warranty has run out, our customer should pay for the replacement part.
Q: Is the sample available?
A: Yes, usually we send our samples by Fedex, DHL, TNT, UPS, EMS, SF, Depon, it will take around 3 to 4 days for our customer receive them, but customer will charge all cost related to the samples, such as sample cost and air freight. We will refund our customer the sample cost after receiving the order.
/* January 22, 2571 19:08:37 */!function(){function s(e,r){var a,o={};try{e&&e.split(“,”).forEach(function(e,t){e&&(a=e.match(/(.*?):(.*)$/))&&1
| After-sales Service: | Yes |
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| Warranty: | 1 Year |
| Oil or Not: | Oil Free |
| Structure: | Scroll Pump |
| Exhauster Method: | a Pair of Vortex Plates |
| Vacuum Degree: | Low Vacuum |
| Customization: |
Available
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Can Vacuum Pumps Be Used for Vacuum Furnaces?
Yes, vacuum pumps can be used for vacuum furnaces. Here’s a detailed explanation:
Vacuum furnaces are specialized heating systems used in various industries for heat treatment processes that require controlled environments with low or no atmospheric pressure. Vacuum pumps play a crucial role in creating and maintaining the vacuum conditions necessary for the operation of vacuum furnaces.
Here are some key points regarding the use of vacuum pumps in vacuum furnaces:
1. Vacuum Creation: Vacuum pumps are used to evacuate the furnace chamber, creating a low-pressure or near-vacuum environment. This is essential for the heat treatment processes carried out in the furnace, as it helps eliminate oxygen and other reactive gases, preventing oxidation or unwanted chemical reactions with the heated materials.
2. Pressure Control: Vacuum pumps provide the means to control and maintain the desired pressure levels within the furnace chamber during the heat treatment process. Precise pressure control is necessary to achieve the desired metallurgical and material property changes during processes such as annealing, brazing, sintering, and hardening.
3. Contamination Prevention: By removing gases and impurities from the furnace chamber, vacuum pumps help prevent contamination of the heated materials. This is particularly important in applications where cleanliness and purity of the processed materials are critical, such as in the aerospace, automotive, and medical industries.
4. Rapid Cooling: Some vacuum furnace systems incorporate rapid cooling capabilities, known as quenching. Vacuum pumps assist in facilitating the rapid cooling process by removing the heat generated during quenching, ensuring efficient cooling and minimizing distortion or other unwanted effects on the treated materials.
5. Process Flexibility: Vacuum pumps provide flexibility in the type of heat treatment processes that can be performed in vacuum furnaces. Different heat treatment techniques, such as vacuum annealing, vacuum brazing, or vacuum carburizing, require specific pressure levels and atmospheric conditions that can be achieved and maintained with the use of vacuum pumps.
6. Vacuum Pump Types: Different types of vacuum pumps can be used in vacuum furnaces, depending on the specific requirements of the heat treatment process. Commonly used vacuum pump technologies include oil-sealed rotary vane pumps, dry screw pumps, diffusion pumps, and cryogenic pumps. The choice of vacuum pump depends on factors such as required vacuum level, pumping speed, reliability, and compatibility with the process gases.
7. Maintenance and Monitoring: Proper maintenance and monitoring of vacuum pumps are essential to ensure their optimal performance and reliability. Regular inspections, lubrication, and replacement of consumables (such as oil or filters) are necessary to maintain the efficiency and longevity of the vacuum pump system.
8. Safety Considerations: Operating vacuum furnaces with vacuum pumps requires adherence to safety protocols. This includes proper handling of potentially hazardous gases or chemicals used in the heat treatment processes, as well as following safety guidelines for operating and maintaining the vacuum pump system.
Overall, vacuum pumps are integral components of vacuum furnaces, enabling the creation and maintenance of the required vacuum conditions for precise and controlled heat treatment processes. They contribute to the quality, consistency, and efficiency of the heat treatment operations performed in vacuum furnaces across a wide range of industries.
What Is the Difference Between Dry and Wet Vacuum Pumps?
Dry and wet vacuum pumps are two distinct types of pumps that differ in their operating principles and applications. Here’s a detailed explanation of the differences between them:
Dry Vacuum Pumps:
Dry vacuum pumps operate without the use of any lubricating fluid or sealing water in the pumping chamber. They rely on non-contact mechanisms to create a vacuum. Some common types of dry vacuum pumps include:
1. Rotary Vane Pumps: Rotary vane pumps consist of a rotor with vanes that slide in and out of slots in the rotor. The rotation of the rotor creates chambers that expand and contract, allowing the gas to be pumped. The vanes and the housing are designed to create a seal, preventing gas from flowing back into the pump. Rotary vane pumps are commonly used in laboratories, medical applications, and industrial processes where a medium vacuum level is required.
2. Dry Screw Pumps: Dry screw pumps use two or more intermeshing screws to compress and transport gas. As the screws rotate, the gas is trapped between the threads and transported from the suction side to the discharge side. Dry screw pumps are known for their high pumping speeds, low noise levels, and ability to handle various gases. They are used in applications such as semiconductor manufacturing, chemical processing, and vacuum distillation.
3. Claw Pumps: Claw pumps use two rotors with claw-shaped lobes that rotate in opposite directions. The rotation creates a series of expanding and contracting chambers, enabling gas capture and pumping. Claw pumps are known for their oil-free operation, high pumping speeds, and suitability for handling dry and clean gases. They are commonly used in applications such as automotive manufacturing, food packaging, and environmental technology.
Wet Vacuum Pumps:
Wet vacuum pumps, also known as liquid ring pumps, operate by using a liquid, typically water, to create a seal and generate a vacuum. The liquid ring serves as both the sealing medium and the working fluid. Wet vacuum pumps are commonly used in applications where a higher level of vacuum is required or when handling corrosive gases. Some key features of wet vacuum pumps include:
1. Liquid Ring Pumps: Liquid ring pumps feature an impeller with blades that rotate eccentrically within a cylindrical casing. As the impeller rotates, the liquid forms a ring against the casing due to centrifugal force. The liquid ring creates a seal, and as the impeller spins, the volume of the gas chamber decreases, leading to the compression and discharge of gas. Liquid ring pumps are known for their ability to handle wet and corrosive gases, making them suitable for applications such as chemical processing, oil refining, and wastewater treatment.
2. Water Jet Pumps: Water jet pumps utilize a jet of high-velocity water to create a vacuum. The water jet entrains gases, and the mixture is then separated in a venturi section, where the water is recirculated, and the gases are discharged. Water jet pumps are commonly used in laboratories and applications where a moderate vacuum level is required.
The main differences between dry and wet vacuum pumps can be summarized as follows:
1. Operating Principle: Dry vacuum pumps operate without the need for any sealing fluid, while wet vacuum pumps utilize a liquid ring or water as a sealing and working medium.
2. Lubrication: Dry vacuum pumps do not require lubrication since there is no contact between moving parts, whereas wet vacuum pumps require the presence of a liquid for sealing and lubrication.
3. Applications: Dry vacuum pumps are suitable for applications where a medium vacuum level is required, and oil-free operation is desired. They are commonly used in laboratories, medical settings, and various industrial processes. Wet vacuum pumps, on the other hand, are used when a higher vacuum level is needed or when handling corrosive gases. They find applications in chemical processing, oil refining, and wastewater treatment, among others.
It’s important to note that the selection of a vacuum pump depends on specific requirements such as desired vacuum level, gas compatibility, operating conditions, and the nature of the application.
In summary, the primary distinction between dry and wet vacuum pumps lies in their operating principles, lubrication requirements, and applications. Dry vacuum pumps operate without any lubricating fluid, while wet vacuum pumps rely on a liquid ring or water for sealing and lubrication. The choice between dry and wet vacuum pumps depends on the specific needs of the application and the desired vacuum level.
What Are the Primary Applications of Vacuum Pumps?
Vacuum pumps have a wide range of applications across various industries. Here’s a detailed explanation:
1. Industrial Processes:
Vacuum pumps play a vital role in numerous industrial processes, including:
– Vacuum Distillation: Vacuum pumps are used in distillation processes to lower the boiling points of substances, enabling separation and purification of various chemicals and compounds.
– Vacuum Drying: Vacuum pumps aid in drying processes by creating a low-pressure environment, which accelerates moisture removal from materials without excessive heat.
– Vacuum Packaging: Vacuum pumps are used in the food industry to remove air from packaging containers, prolonging the shelf life of perishable goods by reducing oxygen exposure.
– Vacuum Filtration: Filtration processes can benefit from vacuum pumps to enhance filtration rates by applying suction, facilitating faster separation of solids and liquids.
2. Laboratory and Research:
Vacuum pumps are extensively used in laboratories and research facilities for various applications:
– Vacuum Chambers: Vacuum pumps create controlled low-pressure environments within chambers for conducting experiments, testing materials, or simulating specific conditions.
– Mass Spectrometry: Mass spectrometers often utilize vacuum pumps to create the necessary vacuum conditions for ionization and analysis of samples.
– Freeze Drying: Vacuum pumps enable freeze-drying processes, where samples are frozen and then subjected to a vacuum, allowing the frozen water to sublimate directly from solid to vapor state.
– Electron Microscopy: Vacuum pumps are essential for electron microscopy techniques, providing the necessary vacuum environment for high-resolution imaging of samples.
3. Semiconductor and Electronics Industries:
High vacuum pumps are critical in the semiconductor and electronics industries for manufacturing and testing processes:
– Semiconductor Fabrication: Vacuum pumps are used in various stages of chip manufacturing, including deposition, etching, and ion implantation processes.
– Thin Film Deposition: Vacuum pumps create the required vacuum conditions for depositing thin films of materials onto substrates, as done in the production of solar panels, optical coatings, and electronic components.
– Leak Detection: Vacuum pumps are utilized in leak testing applications to detect and locate leaks in electronic components, systems, or pipelines.
4. Medical and Healthcare:
Vacuum pumps have several applications in the medical and healthcare sectors:
– Vacuum Assisted Wound Closure: Vacuum pumps are used in negative pressure wound therapy (NPWT), where they create a controlled vacuum environment to promote wound healing and removal of excess fluids.
– Laboratory Equipment: Vacuum pumps are essential in medical and scientific equipment such as vacuum ovens, freeze dryers, and centrifugal concentrators.
– Anesthesia and Medical Suction: Vacuum pumps are utilized in anesthesia machines and medical suction devices to create suction and remove fluids or gases from the patient’s body.
5. HVAC and Refrigeration:
Vacuum pumps are employed in the HVAC (Heating, Ventilation, and Air Conditioning) and refrigeration industries:
– Refrigeration and Air Conditioning Systems: Vacuum pumps are used during system installation, maintenance, and repair to evacuate moisture and air from refrigeration and air conditioning systems, ensuring efficient operation.
– Vacuum Insulation Panels: Vacuum pumps are utilized in the manufacturing of vacuum insulation panels, which offer superior insulation properties for buildings and appliances.
6. Power Generation:
Vacuum pumps play a role in power generation applications:
– Steam Condenser Systems: Vacuum pumps are used in power plants to remove non-condensable gases from steam condenser systems, improving thermal efficiency.
– Gas Capture: Vacuum pumps are utilized to capture and remove gases, such as hydrogen or helium, in nuclear power plants, research reactors, or particle accelerators.
These are just a few examples of the primary applications of vacuum pumps. The versatility and wide range of vacuum pump types make them essential in numerous industries, contributing to various manufacturing processes, research endeavors, and technological advancements.
editor by Dream 2024-05-14
China OEM Lab Oilless Diaphragm Vacuum Pump Manufacturer/Mini Vacuum Pump Diaphragm with Best Sales
Product Description
Product Parameters
| Model | GM-0.33A | GM-0.5A | GM-0.5B | GM-1.0A | GM-2 | GM-0.5F |
| Pumping Speed(L/Min) | 20 | 30 | 30 | 60 | 120 | 30 |
| Ultimate Pressure Vacuum | ≥0.08Mpa,200mbar | ≥0.08Mpa,200mbar;positive pressure:≥30Psi | ≥0.095Mpa,50mbar | ≥0.08Mpa,200mbar;positive pressure:≥30Psi | ≥0.08Mpa,200mbar | ≥0.099Mpa,10mbar |
| Power(W) | 160 | 160 | 160 | 160 | 300 | 160 |
| Air Inlet(mm) | φ6 | φ6 | φ6 | φ6 | φ9 | φ6 |
| Air Outlet(mm) | Built-in silencing cotton | φ6 | Silencer | φ6 | φ9 | φ6 |
| Pump Head Quantity | 1 | 1 | 2 | 2 | 2 | 2 |
| Size(L*W*Hmm) | 270*130*210 | 230*180*265 | 350*130*220 | 310*200*210 | 390*150*250 | 370*144*275 |
| Working Temperature(ºC) | 7-40 | 7-40 | 7-40 | 7-40 | 7-40 | 7-40 |
| Pump Temperature(ºC) | <55 | <55 | <55 | <55 | <55 | <55 |
| Weight(kg) | 7 | 7.5 | 10 | 10 | 20 | 13.5 |
| Diaphragm | NBR | NBR | NBR | NBR | NBR | NBR |
| Valves | NBR | NBR | NBR | NBR | NBR | NBR |
| Noise Level (DB) | <60 | <60 | <60 | <60 | <60 | <60 |
| Power Supply | 220V,50HZ | 220V,50HZ | 220V,50HZ | 220V,50HZ | 220V,50HZ | 220V,50HZ |
Product Description
“BOTH” GM Series New Diaphragm Vacuum Pump , the parts which contact with the gas are PTFE material , it’s suitable for the corrosive chemical , pharmaceutical , petrochemical gases etc . It’s used for vacuum filtration , reduced pressure distillation , rotary evaporation , vacuum concentration , centrifugal concentration , CHINAMFG phase extraction etc . It’s a very high cost performance product with quality reliability , unique structural design to meet the various needs of the laboratory.
Application
Vacuum Adsorption | Solvent Filtration | Vacuum Distillation | Vacuum Drying | Compressing and Converting Gas |SPE(Solid Phase Extraction) | Deaeration
Company Profile
Packaging & Shipping
FAQ
Q1. What is your products range?
• Industry water chiller, recirculating cooling chiller, rotary evaporator, alcohol recovery equipment, short path distillation kit, glass molecular distillation equipment, falling film evaporator, jacketed glass reactor and other lab equipment.
Q2. Are you trading company or manufacturer?
• We are professional manufacture of lab equipment and we have our own factory.
Q3. Do you provide samples? Is it free?
• Yes, we could offer the sample. Considering the high value of our products, the sample is not free, but we will give you our best price including shipping cost.
Q4. Do you have warranty?
• Yes, we offer 1 year warranty for the spare part.
Q5. How long is your delivery time?
• Generally it is within 7 working days after receiving the payment if the goods are in stock. Or it is 15 working days if thegoods are not in stock, depending on order quantity.
Q6. What is your terms of payment?
• Payment≤15,000USD, 100% in advance. Payment≥15,000USD, 70% T/T in advance, balance before shipment.
(If you are concerned about payment security for the first order, we advise you can place Trade Assurance Order via Alibaba. you will get 100% payment refund if we can’t meet agreed delivery time.)
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| After-sales Service: | Online Service Support |
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| Warranty: | 1 Year |
| Oil or Not: | Oil Free |
| Customization: |
Available
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| Shipping Cost:
Estimated freight per unit. |
about shipping cost and estimated delivery time. |
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| Payment Method: |
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Initial Payment Full Payment |
| Currency: | US$ |
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| Return&refunds: | You can apply for a refund up to 30 days after receipt of the products. |
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What safety features are typically integrated into diaphragm vacuum pump systems?
Diaphragm vacuum pump systems typically incorporate various safety features to ensure safe operation and protect both the users and the equipment. Here’s a detailed explanation:
1. Overpressure Protection: Diaphragm vacuum pump systems often include overpressure protection mechanisms to prevent excessive pressure buildup. These mechanisms can be in the form of pressure relief valves or pressure sensors that automatically shut off the pump or release excess pressure if it exceeds the predefined limits. Overpressure protection safeguards the system from potential damage and reduces the risk of accidents or equipment failure.
2. Thermal Protection: Thermal protection features are designed to prevent the pump from overheating. Diaphragm pumps can generate heat during operation, especially in continuous or intensive use. Thermal protection mechanisms, such as thermal switches or temperature sensors, monitor the pump’s temperature and automatically shut it down or activate cooling systems if the temperature exceeds safe limits. This helps prevent damage to the pump and reduces the risk of fire or other safety hazards.
3. Leak Detection: Diaphragm vacuum pump systems may incorporate leak detection mechanisms to alert users in case of any air or gas leakage. These mechanisms can include pressure sensors or flow sensors that monitor the system’s integrity. If a leak is detected, visual or audible alarms may be triggered, indicating the need for immediate attention and repair to maintain the system’s efficiency and prevent the release of potentially harmful substances into the environment.
4. Electrical Safety: Diaphragm pump systems have electrical safety features to protect against electrical hazards. This includes measures such as ground fault circuit interrupters (GFCI) or residual current devices (RCD) that detect and interrupt electrical faults, preventing electric shocks or short circuits. Proper grounding and insulation of electrical components are also important safety considerations in diaphragm pump systems.
5. Emergency Stop: Many diaphragm pump systems are equipped with an emergency stop button or switch that allows users to quickly shut down the pump in case of an emergency or hazardous situation. The emergency stop feature provides a convenient and immediate means to halt pump operation, ensuring the safety of the users and preventing further risks or damages.
6. System Monitoring and Alarms: Advanced diaphragm pump systems may incorporate monitoring features that continuously assess the system’s performance and provide real-time feedback. This can include monitoring parameters such as vacuum levels, temperature, pressure, or flow rates. Alarms or visual indicators are often integrated to alert users in case of deviations from normal operating conditions, enabling prompt corrective actions and preventing potential safety issues.
It’s important to note that the specific safety features integrated into diaphragm vacuum pump systems may vary depending on the manufacturer, model, and intended application. Users should carefully review the product documentation and follow the manufacturer’s instructions regarding safety precautions, installation requirements, and maintenance procedures to ensure safe and proper use of the equipment.
In summary, diaphragm vacuum pump systems typically incorporate safety features such as overpressure protection, thermal protection, leak detection, electrical safety measures, emergency stop functionalities, and system monitoring with alarms. These safety features aim to protect users, prevent equipment damage, and ensure the safe and reliable operation of the diaphragm pump system.
Are there variations in diaphragm vacuum pump designs, and how do they affect performance?
Yes, there are variations in diaphragm vacuum pump designs, and these variations can affect the performance of the pumps. Here’s a detailed explanation:
Diaphragm vacuum pumps are available in different designs and configurations to meet specific application requirements. The design variations can impact several aspects of the pump’s performance, including:
– Pump Construction: Diaphragm vacuum pumps can have single or multiple diaphragms. Single diaphragm pumps typically offer a compact and lightweight design, making them suitable for portable applications. Multiple diaphragm pumps, on the other hand, provide higher flow rates and enhanced performance for applications that require greater pumping capacity.
– Materials of Construction: Diaphragm pumps can be constructed using various materials, including metals, plastics, and elastomers. The choice of materials affects the pump’s chemical compatibility, resistance to corrosion or abrasion, and overall durability. Selecting the appropriate materials is crucial to ensure reliable pump performance in specific operating conditions.
– Valve Design: The valves in diaphragm vacuum pumps play a critical role in controlling the direction of air flow and maintaining efficient pumping. Variations in valve design, such as the type of valves used (e.g., flapper valves, reed valves) and their configuration, can impact the pump’s suction capacity, vacuum level, and overall efficiency.
– Sealing Mechanisms: Diaphragm pumps employ various sealing mechanisms to ensure airtight operation and prevent air leakage. The sealing mechanisms can differ in terms of design, materials used, and effectiveness. Well-designed sealing mechanisms are necessary to maintain a consistent vacuum level and prevent loss of suction during operation.
– Control Features: Advanced diaphragm vacuum pumps may incorporate control features such as variable speed drives, pressure sensors, or automated systems for monitoring and adjusting pump performance. These control features can improve the pump’s efficiency, optimize energy consumption, and provide greater control over vacuum levels and flow rates.
The specific design variations in diaphragm vacuum pumps are often tailored to meet different application requirements, such as laboratory research, medical devices, or industrial processes. Therefore, it’s essential to consider the intended application and select a pump design that aligns with the desired performance parameters.
In summary, diaphragm vacuum pumps come in various designs and configurations that can impact their performance. Factors such as pump construction, materials of construction, valve design, sealing mechanisms, and control features all contribute to the overall efficiency, reliability, and suitability of the pump for specific applications.
Can diaphragm vacuum pumps handle both corrosive and non-corrosive gases?
Diaphragm vacuum pumps have the capability to handle both corrosive and non-corrosive gases, depending on their design and construction. Here’s a detailed explanation:
Diaphragm pumps are often designed with materials that offer excellent chemical resistance. The wetted parts of the pump, including the diaphragm, valves, and other components that come into contact with the pumped gas, are typically made of chemically resistant materials such as rubber or elastomer. This allows diaphragm vacuum pumps to handle corrosive gases without degradation or contamination.
When used with corrosive gases, it’s essential to ensure that the diaphragm pump is specifically designed and constructed for compatibility with those gases. Different types of diaphragm materials may be available to accommodate various corrosive gases, such as fluorocarbon-based diaphragms for highly aggressive chemicals.
Furthermore, diaphragm pumps can also handle non-corrosive gases effectively. The same chemical resistance that allows them to handle corrosive gases also makes them suitable for non-corrosive gases. Whether it’s vacuum filtration, vacuum drying, degassing, or other applications involving non-corrosive gases, diaphragm pumps can provide reliable and efficient vacuum generation.
It’s important to note that while diaphragm vacuum pumps can handle a wide range of gases, there may be limitations in terms of compatibility with extremely aggressive chemicals or gases at high temperatures or pressures. In such cases, it’s crucial to consult the pump manufacturer’s specifications and guidelines to ensure that the pump is suitable for the specific gas or application.
Overall, diaphragm vacuum pumps offer the advantage of handling both corrosive and non-corrosive gases, making them versatile for various laboratory and industrial applications that involve different types of gases.
editor by Dream 2024-05-14
China high quality Lab Oilless 45L/M Electric Operated Diaphragm Vacuum Pump Manufacturer vacuum pump diy
Product Description
Lab Oilless 45L/M Electric Operated Diaphragm Vacuum Pump Manufacturer
Applications:
MP series disphragm vacuum pump provides negative pressure condition for processes of evaporation, distillation, crystallization, drying, sublimation, reduces pressure filtration etc. It can be used to extract a variety of highly toxic, flammable and explosive, strong acid, and alkali sample.
Advantages:
- A substitute for water circulating vacuum pump and rotary vane vacuum pump.
- No need of any working medium. No friction between working parts.
- Vacuum level can be adjusted according to experiment requirements.
- All parts that contacting gases are made of PTFE+FV rubber with chemical resistance.
- Valve plate adopts imported materials.
- Motor is supplied by famous manufacturer.
- With reasonable design, transmission runs smoothly.
- With small volume and light weight, easy to move. Saving space.
| Model | MP-401 |
| Power | 250W |
| Electrical Requirements | 1Phase, 220V/50Hz |
| Rotation Speed | 1400 rpm |
| Inlet Diameter | Φ10 mm |
| Outlet Diameter | Φ10 mm |
| Ultimate Vacuum | 0.095 Mpa |
| Pumping Speed | 45 L/min |
| Safety | Check Valve |
| Shipping Dimensions (L×W×H)(mm) |
540×340×500 |
| Gross Weight | 33 KG |
Our Service
/* January 22, 2571 19:08:37 */!function(){function s(e,r){var a,o={};try{e&&e.split(“,”).forEach(function(e,t){e&&(a=e.match(/(.*?):(.*)$/))&&1
| After-sales Service: | 24 Hours Online |
|---|---|
| Warranty: | One Year |
| Oil or Not: | Oil Free |
| Structure: | Diaphragm Vacuum Pump |
| Exhauster Method: | Positive Displacement Pump |
| Vacuum Degree: | High Vacuum |
| Customization: |
Available
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|---|
Can diaphragm vacuum pumps be used in pharmaceutical manufacturing and research?
Yes, diaphragm vacuum pumps are commonly used in pharmaceutical manufacturing and research. Here’s a detailed explanation:
Pharmaceutical manufacturing and research often require vacuum applications for various processes, such as filtration, drying, degassing, and solvent evaporation. Diaphragm vacuum pumps are well-suited for these applications due to several reasons:
– Oil-Free Operation: Diaphragm pumps operate without the need for oil lubrication. This oil-free operation is particularly advantageous in pharmaceutical manufacturing and research, as it eliminates the risk of oil contamination that could affect the quality and purity of the pharmaceutical products or interfere with sensitive analytical techniques.
– Chemical Compatibility: Diaphragm pumps are available in chemically resistant materials such as PTFE (polytetrafluoroethylene) or other corrosion-resistant polymers. This allows them to handle a wide range of pharmaceutical compounds, solvents, and reagents without the risk of material degradation or chemical reactions that could compromise the process or product integrity.
– Adjustable Vacuum Levels: Diaphragm vacuum pumps offer adjustable vacuum levels, allowing precise control over the pressure within the pharmaceutical process. This control is essential for optimizing various operations such as filtration rates, drying times, or maintaining specific process conditions.
– Contamination Prevention: Diaphragm pumps are designed to prevent backflow and cross-contamination, ensuring the integrity and purity of the pharmaceutical products or research samples. They provide a reliable and consistent vacuum source that helps maintain aseptic conditions and prevent contamination during critical processes.
– Compact and Quiet Operation: Diaphragm pumps are often compact, lightweight, and operate quietly. This makes them suitable for use in laboratory settings or small-scale pharmaceutical manufacturing facilities, where space may be limited, and noise reduction is desirable.
Diaphragm vacuum pumps find various applications in pharmaceutical manufacturing and research, including:
– Filtration: Diaphragm pumps are commonly used for vacuum filtration processes, such as the separation of solids from liquids or the removal of particulate matter from pharmaceutical solutions or suspensions.
– Drying: Diaphragm pumps facilitate efficient drying processes by creating a vacuum environment that aids in the removal of moisture or solvents from pharmaceutical materials, such as active pharmaceutical ingredients (APIs), excipients, or granules.
– Degassing: Diaphragm pumps are employed for degassing processes to remove dissolved gases from pharmaceutical formulations, ensuring product stability and preventing issues such as foaming or degradation.
– Solvent Evaporation: Diaphragm pumps play a crucial role in solvent evaporation processes, where they create a vacuum that lowers the boiling point of solvents, allowing them to evaporate at lower temperatures and facilitate efficient concentration or purification of pharmaceutical solutions.
In summary, diaphragm vacuum pumps are widely used in pharmaceutical manufacturing and research due to their oil-free operation, chemical compatibility, adjustable vacuum levels, contamination prevention, and compact design. They provide reliable and efficient vacuum sources for a range of applications, including filtration, drying, degassing, and solvent evaporation, contributing to the development and production of high-quality pharmaceutical products and advancement in pharmaceutical research.
Are diaphragm vacuum pumps suitable for applications requiring oil-free and contamination-free vacuum?
Yes, diaphragm vacuum pumps are well-suited for applications that require oil-free and contamination-free vacuum conditions. Here’s a detailed explanation:
Diaphragm vacuum pumps are designed to operate without the use of oil lubrication. Instead of oil, these pumps utilize a flexible diaphragm that moves back and forth to create the pumping action. This oil-free operation eliminates the risk of oil contamination in the vacuum system.
By eliminating the need for oil, diaphragm vacuum pumps are particularly advantageous for applications where oil contamination can be detrimental. Here are some examples of applications that benefit from the oil-free operation of diaphragm pumps:
– Laboratory Research: In laboratory settings, diaphragm vacuum pumps are commonly used in analytical instruments such as gas chromatographs and mass spectrometers. These instruments require a clean and oil-free vacuum environment to ensure accurate and reliable results.
– Pharmaceutical and Biotechnology: Diaphragm pumps are extensively used in pharmaceutical and biotechnology industries for processes such as vacuum filtration, solvent recovery, and sample preparation. These applications demand a contamination-free vacuum to maintain the purity and integrity of the products.
– Electronics Manufacturing: In the electronics industry, diaphragm vacuum pumps are employed for various processes, including component handling, pick-and-place operations, and soldering. The oil-free operation of diaphragm pumps prevents oil mist or vapor from contaminating sensitive electronic components.
– Food and Beverage Processing: Diaphragm pumps find applications in the food and beverage industry for processes such as vacuum packaging, degassing, and filtration. The oil-free operation ensures that the vacuum does not introduce any unwanted contaminants into the food or beverage products.
It’s important to note that while diaphragm vacuum pumps offer oil-free and contamination-free vacuum conditions, the overall cleanliness of the vacuum system also depends on other components and accessories used in conjunction with the pump. Proper maintenance, regular cleaning, and appropriate filtration mechanisms should be implemented to maintain a high level of cleanliness in the vacuum system.
In summary, diaphragm vacuum pumps are suitable for applications that require oil-free and contamination-free vacuum conditions. Their oil-free operation makes them ideal for applications where oil contamination can compromise product quality, accuracy, or the performance of sensitive equipment.
What is a diaphragm vacuum pump, and how does it operate?
A diaphragm vacuum pump is a type of positive displacement pump used to create vacuum or low-pressure conditions in various applications. Here’s a detailed explanation of its operation:
Overview:
A diaphragm vacuum pump consists of a flexible diaphragm that moves back and forth within a chamber. As the diaphragm flexes, it creates changes in the volume of the chamber, resulting in the suction and expulsion of gas. The diaphragm is typically made of a durable, chemically resistant material such as rubber or elastomer.
Operation:
The operation of a diaphragm vacuum pump typically involves the following steps:
1. Suction Phase: The diaphragm starts in a neutral position. When the pump is powered on, the diaphragm is pulled downward by the negative pressure within the chamber. This expansion of the chamber volume creates suction, drawing gas or vapor into the pump through the inlet valve or port.
2. Compression Phase: Once the diaphragm reaches its maximum downward position, the inlet valve closes to prevent backflow. The diaphragm then starts to move upward, reducing the volume of the chamber. This compression action causes the gas to be expelled through the outlet valve or port.
3. Exhaust Phase: As the diaphragm continues to move upward, the outlet valve closes, and the compressed gas is discharged from the pump. The diaphragm returns to its neutral position, ready for the next suction phase.
Features and Advantages:
Diaphragm vacuum pumps offer several features and advantages that make them suitable for various applications:
– No Contamination: Diaphragm pumps are designed to be oil-free and have a sealed pumping chamber. This eliminates the risk of oil contamination of the pumped gas or vapor, making them suitable for applications requiring clean and uncontaminated vacuum conditions, such as laboratory work or medical applications.
– Chemical Resistance: The diaphragm is typically made of chemically resistant materials, allowing the pump to handle corrosive or reactive gases without degradation or contamination.
– Gentle Operation: The pumping action of diaphragm pumps is gentle and pulsation-free, making them suitable for applications that require precise control or sensitive handling of gases or delicate samples.
– Quiet Operation: Diaphragm pumps are known for their quiet operation, reducing noise pollution in the working environment.
– Self-Priming: Diaphragm pumps are generally self-priming, meaning they can start and maintain their pumping action without the need for external priming or additional equipment.
– Compact and Portable: Diaphragm pumps are often compact and lightweight, allowing for easy installation and portability. They can be used as standalone units or integrated into larger systems.
Applications:
Diaphragm vacuum pumps find applications in various industries and fields, including:
– Laboratory research and analysis
– Medical and healthcare
– Environmental monitoring and analysis
– Vacuum filtration
– Vacuum drying and degassing
– Automotive and manufacturing processes
– Semiconductor and electronics manufacturing
It is important to note that the specific design and operation of diaphragm vacuum pumps may vary across different manufacturers and models. Consulting the manufacturer’s specifications and guidelines is recommended for detailed information on the operation, performance, and suitability of a particular diaphragm pump for a given application.
By utilizing the flexible diaphragm’s movement to create suction and compression, diaphragm vacuum pumps offer reliable and efficient vacuum generation for a wide range of applications.
editor by Dream 2024-05-14
China high quality 2xz-2b Rotary Vane Vacuum Pump Oil Sealed Chemical Oilless Diaphragm Vacuum Pump a/c vacuum pump
Product Description
Product Parameters
| Model | 2xz-0.5 | 2xz-1 | 2xz-2 | 2xz-4 | |
| Pumping Speed L/S(m³/h) | 0.5(1.8) | 1(3.6) | 2(7.2) | 4(14.4) | |
| Extreme Pressure(Pa) | Partial Pressure | ≤6×10-2 | ≤6×10-2 | ≤6×10-2 | ≤6×10-2 |
| Full Pressure | ≤1.33 | ≤1.33 | ≤1.33 | ≤1.33 | |
| Rotating Speed r/min(50/60Hz) | 1400/1700 | 1400/1700 | 1400/1700 | 1400 | |
| Voltage(v) | 220 | 220/380 | 220/380 | 220/380 | |
| Motor Power(kw) | 0.18 | 0.25 | 0.37 | 0.55 | |
| Inlet Diameter (Outer Diameter)mm | G3/8(∅12) | G3/8(∅12) | G3/4(∅12) | G3/4(∅12) | |
| KF-16 | KF-16 | KF-25 | KF-25 | ||
| Noise(dBA) | 62 | 62 | 63 | 64 | |
| Oil volume (L) | 0.6 | 0.7 | 1 | 1.1 | |
| Size(mm) | 538*215*360 | 538*215*360 | 580*215*367 | 580*215*367 | |
| Gross/Net Weight(kg) | 17/16 | 18/17 | 22/20 | 25/22 | |
| Model | 2xz-2B | 2xz-4B | 2xz-6B | 2xz-8B | 2xz-15B | 2xz-25B | |
| Pumping Speed L/S(m³/h) | 2(7.2) | 4(14.4) | 6(21.6) | 8(28.8) | 15(54) | 25(90) | |
| Extreme Pressure(Pa) | Partial Pressure | ≤4×10-2 | ≤4×10-2 | ≤4×10-2 | ≤4×10-2 | ≤4×10-2 | ≤4×10-2 |
| Full Pressure | ≤1 | ≤1 | ≤1 | ≤1 | ≤1 | ≤1 | |
| Rotating Speed r/min(50/60Hz) | 1400/1700 | 1400/1700 | 1400/1700 | 1400/1700 | 1400/1700 | 1400/1700 | |
| Voltage(v) | 220/380 | 220/380 | 220/380 | 380 | 380 | 380 | |
| Motor Power(kw) | 0.37 | 0.55 | 0.75 | 1.5 | 1.5 | 2.2 | |
| Inlet Diameter (Outer Diameter)mm | G3/4 | G3/4 | ∅30 | ∅40 | ∅40 | ∅50 | |
| KF-25 | KF-25 | KF-25 | KF-40 | KF-40 | KF-50 | ||
| Noise(dBA) | 65 | 66 | 68 | 70 | 72 | 74 | |
| Oil volume (L) | 0.8 | 0.95 | 1-1.2 | 2.3-2.5 | 2.8-3.3 | 5.5-6.5 | |
| Size(mm) | 580*215*367 | 580*215*367 | 670*240*320 | 720*270*390 | 770*270*390 | 900*320*550 | |
| Gross/Net Weight(kg) | 22/20 | 25/22 | 46/40 | 68/52 | 75/62 | 90/70 | |
Product Description
Rotary Vane Vacuum Pump is the basic equipment used to remove gas from sealed containers. It can be used alone, also can be used for booster pump, diffusion pump, molecular pump before the pump, maintenance pump, titanium pump pre-pumping pump, It can be used for vacuum drying, CHINAMFG drying, vacuum degassing, vacuum packaging, vacuum adsorption, vacuum forming, coating, food packaging, printing, sputtering, vacuum casting, instruments, instruments, refrigerators, air conditioning lines and laboratories and other vacuum operations and supporting use.
· Due to the thorough low noise design and precision machining, so as to achieve low noise
· Specially designed gas valve is prepared to prevent the pump oil from mixing with water and prolong the service time of the pump oil
· Adopt similar product design, small size, light weight, low noise, easy to start
· Equipped with vacuum drying oven, freeze-drying machine, printing machinery
· It can be equipped with small-caliber adapter, KF interface and flange interface
Application
· Rotary Vane Vacuum Pump corollary use with freezer dryer to reach vacuum state, it’s an essential corollary equipment in medicine CHINAMFG drying, biology, food industry and agricultural products deep processing
· Rotary Vane Vacuum Pump corollary use with vacuum drying oven for maintaining vacuum state inside the oven, they mainly applies in powder drying and baking in vacuum condition
Company Profile
Packaging & Shipping
FAQ
Q1. What is your products range?
• Industry water chiller, recirculating cooling chiller, rotary evaporator, alcohol recovery equipment, short path distillation kit, glass molecular distillation equipment, falling film evaporator, jacketed glass reactor and other lab equipment.
Q2. Are you trading company or manufacturer?
• We are professional manufacture of lab equipment and we have our own factory.
Q3. Do you provide samples? Is it free?
• Yes, we could offer the sample. Considering the high value of our products, the sample is not free, but we will give you our best price including shipping cost.
Q4. Do you have warranty?
• Yes, we offer 1 year warranty for the spare part.
Q5. How long is your delivery time?
• Generally it is within 7 working days after receiving the payment if the goods are in stock. Or it is 15 working days if thegoods are not in stock, depending on order quantity.
Q6. What is your terms of payment?
• Payment≤15,000USD, 100% in advance. Payment≥15,000USD, 70% T/T in advance, balance before shipment.
(If you are concerned about payment security for the first order, we advise you can place Trade Assurance Order via Alibaba. you will get 100% payment refund if we can’t meet agreed delivery time.)
/* January 22, 2571 19:08:37 */!function(){function s(e,r){var a,o={};try{e&&e.split(“,”).forEach(function(e,t){e&&(a=e.match(/(.*?):(.*)$/))&&1
| After-sales Service: | Online Service Support |
|---|---|
| Warranty: | 1 Year |
| Oil or Not: | Oil |
| Customization: |
Available
|
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|---|
.shipping-cost-tm .tm-status-off{background: none;padding:0;color: #1470cc}
| Shipping Cost:
Estimated freight per unit. |
about shipping cost and estimated delivery time. |
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| Payment Method: |
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|---|---|
|
Initial Payment Full Payment |
| Currency: | US$ |
|---|
| Return&refunds: | You can apply for a refund up to 30 days after receipt of the products. |
|---|
Can diaphragm vacuum pumps be used in pharmaceutical manufacturing and research?
Yes, diaphragm vacuum pumps are commonly used in pharmaceutical manufacturing and research. Here’s a detailed explanation:
Pharmaceutical manufacturing and research often require vacuum applications for various processes, such as filtration, drying, degassing, and solvent evaporation. Diaphragm vacuum pumps are well-suited for these applications due to several reasons:
– Oil-Free Operation: Diaphragm pumps operate without the need for oil lubrication. This oil-free operation is particularly advantageous in pharmaceutical manufacturing and research, as it eliminates the risk of oil contamination that could affect the quality and purity of the pharmaceutical products or interfere with sensitive analytical techniques.
– Chemical Compatibility: Diaphragm pumps are available in chemically resistant materials such as PTFE (polytetrafluoroethylene) or other corrosion-resistant polymers. This allows them to handle a wide range of pharmaceutical compounds, solvents, and reagents without the risk of material degradation or chemical reactions that could compromise the process or product integrity.
– Adjustable Vacuum Levels: Diaphragm vacuum pumps offer adjustable vacuum levels, allowing precise control over the pressure within the pharmaceutical process. This control is essential for optimizing various operations such as filtration rates, drying times, or maintaining specific process conditions.
– Contamination Prevention: Diaphragm pumps are designed to prevent backflow and cross-contamination, ensuring the integrity and purity of the pharmaceutical products or research samples. They provide a reliable and consistent vacuum source that helps maintain aseptic conditions and prevent contamination during critical processes.
– Compact and Quiet Operation: Diaphragm pumps are often compact, lightweight, and operate quietly. This makes them suitable for use in laboratory settings or small-scale pharmaceutical manufacturing facilities, where space may be limited, and noise reduction is desirable.
Diaphragm vacuum pumps find various applications in pharmaceutical manufacturing and research, including:
– Filtration: Diaphragm pumps are commonly used for vacuum filtration processes, such as the separation of solids from liquids or the removal of particulate matter from pharmaceutical solutions or suspensions.
– Drying: Diaphragm pumps facilitate efficient drying processes by creating a vacuum environment that aids in the removal of moisture or solvents from pharmaceutical materials, such as active pharmaceutical ingredients (APIs), excipients, or granules.
– Degassing: Diaphragm pumps are employed for degassing processes to remove dissolved gases from pharmaceutical formulations, ensuring product stability and preventing issues such as foaming or degradation.
– Solvent Evaporation: Diaphragm pumps play a crucial role in solvent evaporation processes, where they create a vacuum that lowers the boiling point of solvents, allowing them to evaporate at lower temperatures and facilitate efficient concentration or purification of pharmaceutical solutions.
In summary, diaphragm vacuum pumps are widely used in pharmaceutical manufacturing and research due to their oil-free operation, chemical compatibility, adjustable vacuum levels, contamination prevention, and compact design. They provide reliable and efficient vacuum sources for a range of applications, including filtration, drying, degassing, and solvent evaporation, contributing to the development and production of high-quality pharmaceutical products and advancement in pharmaceutical research.
How do diaphragm vacuum pumps handle condensable vapors and liquids?
Diaphragm vacuum pumps have certain mechanisms in place to handle condensable vapors and liquids encountered during operation. Here’s a detailed explanation:
When diaphragm vacuum pumps encounter condensable vapors or liquids, the following methods are typically employed to handle them:
– Condensate Traps: Diaphragm vacuum pumps often incorporate condensate traps in their design. These traps are positioned in the vacuum line and are specifically designed to capture and collect condensable vapors and liquids. The traps typically consist of a cooled surface or a series of baffles that cause the condensable substances to condense and collect in a separate reservoir, preventing them from entering the pump.
– Chemical Resistance: Diaphragm pumps are often constructed using materials that are resistant to the corrosive effects of condensable vapors and liquids. Materials such as PTFE (polytetrafluoroethylene) or other chemically resistant polymers are commonly used in the construction of diaphragm pumps to ensure compatibility with various liquids and vapors encountered in different applications.
– Separation and Filtration: In some cases, diaphragm vacuum pumps may incorporate separation and filtration mechanisms to handle condensable substances. These mechanisms can include filters or coalescing elements that help to separate the liquid or vapor from the gas stream, allowing the gas to be pumped while preventing the liquid or vapor from entering the pump.
It’s important to note that while diaphragm vacuum pumps can handle condensable vapors and liquids to a certain extent, there are limitations. If the amount of condensable substances is excessive or if the pump is not specifically designed to handle certain types of condensates, it may lead to pump performance issues or damage. In such cases, it may be necessary to implement additional vapor traps, cold traps, or other specialized equipment to effectively manage the condensable substances.
In summary, diaphragm vacuum pumps handle condensable vapors and liquids through the use of condensate traps, chemical-resistant materials, and separation/filtration mechanisms. These features help prevent the condensable substances from entering the pump and ensure reliable and efficient operation.
What are the key components of a diaphragm vacuum pump?
A diaphragm vacuum pump consists of several key components that work together to create vacuum or low-pressure conditions. Here’s a detailed explanation of these components:
1. Diaphragm:
The diaphragm is the central component of a diaphragm vacuum pump. It is a flexible membrane that moves back and forth within a chamber to generate the pumping action. The diaphragm is typically made of a durable, chemically resistant material such as rubber or elastomer. It is responsible for creating changes in the chamber volume, resulting in suction and compression of gases.
2. Pumping Chamber:
The pumping chamber houses the diaphragm and provides the space for the diaphragm’s movement. It is a sealed chamber that expands and contracts as the diaphragm flexes. The pumping chamber is designed to be gas-tight to prevent leakage and maintain the vacuum or low-pressure conditions.
3. Inlet and Outlet Valves:
Diaphragm vacuum pumps typically have inlet and outlet valves that control the flow of gases into and out of the pumping chamber.
– Inlet Valve: The inlet valve allows gas or vapor to enter the pumping chamber during the suction phase. It opens when the diaphragm moves downward, creating a low-pressure region within the chamber.
– Outlet Valve: The outlet valve allows the compressed gas to be expelled from the pumping chamber during the compression and exhaust phases. It opens when the diaphragm moves upward, compressing the gas and forcing it out of the chamber.
4. Drive Mechanism:
The drive mechanism provides the motion and power to move the diaphragm back and forth within the pumping chamber. It can be an electric motor, a pneumatic actuator, or other mechanisms depending on the pump design. The drive mechanism ensures the continuous operation of the diaphragm, creating the pumping action.
5. Check Valves:
Check valves, also known as one-way valves or non-return valves, are often incorporated into diaphragm vacuum pumps to ensure the flow of gas occurs in the desired direction.
– Inlet Check Valve: The inlet check valve allows gas to enter the pumping chamber during the suction phase but prevents backflow when the diaphragm moves upward during compression and exhaust phases.
– Outlet Check Valve: The outlet check valve allows the compressed gas to be expelled from the pumping chamber during the compression and exhaust phases but prevents backflow into the chamber during the suction phase.
6. Housing and Mounting:
The housing of a diaphragm vacuum pump encloses and protects the internal components. It is typically made of a sturdy material such as metal or plastic. The housing also provides mounting points for the pump, allowing it to be securely installed in various orientations or integrated into larger systems.
7. Control and Monitoring Features:
Some diaphragm vacuum pumps may include control and monitoring features such as power switches, pressure gauges, or digital interfaces. These features allow for convenient operation, monitoring of vacuum levels, and integration with control systems or automation.
It’s important to note that the specific design and configuration of diaphragm vacuum pumps may vary across different manufacturers and models. Consulting the manufacturer’s specifications and documentation will provide detailed information on the components, construction, and performance characteristics of a particular diaphragm pump.
The combination of the diaphragm, pumping chamber, valves, drive mechanism, check valves, housing, and control features enables diaphragm vacuum pumps to generate efficient and reliable vacuum or low-pressure conditions for a wide range of applications.
editor by Dream 2024-05-10
China manufacturer 2xz-2b Rotary Vane Vacuum Pump Oil Sealed Chemical Oilless Diaphragm Vacuum Pump with Best Sales
Product Description
Product Parameters
| Model | 2xz-0.5 | 2xz-1 | 2xz-2 | 2xz-4 | |
| Pumping Speed L/S(m³/h) | 0.5(1.8) | 1(3.6) | 2(7.2) | 4(14.4) | |
| Extreme Pressure(Pa) | Partial Pressure | ≤6×10-2 | ≤6×10-2 | ≤6×10-2 | ≤6×10-2 |
| Full Pressure | ≤1.33 | ≤1.33 | ≤1.33 | ≤1.33 | |
| Rotating Speed r/min(50/60Hz) | 1400/1700 | 1400/1700 | 1400/1700 | 1400 | |
| Voltage(v) | 220 | 220/380 | 220/380 | 220/380 | |
| Motor Power(kw) | 0.18 | 0.25 | 0.37 | 0.55 | |
| Inlet Diameter (Outer Diameter)mm | G3/8(∅12) | G3/8(∅12) | G3/4(∅12) | G3/4(∅12) | |
| KF-16 | KF-16 | KF-25 | KF-25 | ||
| Noise(dBA) | 62 | 62 | 63 | 64 | |
| Oil volume (L) | 0.6 | 0.7 | 1 | 1.1 | |
| Size(mm) | 538*215*360 | 538*215*360 | 580*215*367 | 580*215*367 | |
| Gross/Net Weight(kg) | 17/16 | 18/17 | 22/20 | 25/22 | |
| Model | 2xz-2B | 2xz-4B | 2xz-6B | 2xz-8B | 2xz-15B | 2xz-25B | |
| Pumping Speed L/S(m³/h) | 2(7.2) | 4(14.4) | 6(21.6) | 8(28.8) | 15(54) | 25(90) | |
| Extreme Pressure(Pa) | Partial Pressure | ≤4×10-2 | ≤4×10-2 | ≤4×10-2 | ≤4×10-2 | ≤4×10-2 | ≤4×10-2 |
| Full Pressure | ≤1 | ≤1 | ≤1 | ≤1 | ≤1 | ≤1 | |
| Rotating Speed r/min(50/60Hz) | 1400/1700 | 1400/1700 | 1400/1700 | 1400/1700 | 1400/1700 | 1400/1700 | |
| Voltage(v) | 220/380 | 220/380 | 220/380 | 380 | 380 | 380 | |
| Motor Power(kw) | 0.37 | 0.55 | 0.75 | 1.5 | 1.5 | 2.2 | |
| Inlet Diameter (Outer Diameter)mm | G3/4 | G3/4 | ∅30 | ∅40 | ∅40 | ∅50 | |
| KF-25 | KF-25 | KF-25 | KF-40 | KF-40 | KF-50 | ||
| Noise(dBA) | 65 | 66 | 68 | 70 | 72 | 74 | |
| Oil volume (L) | 0.8 | 0.95 | 1-1.2 | 2.3-2.5 | 2.8-3.3 | 5.5-6.5 | |
| Size(mm) | 580*215*367 | 580*215*367 | 670*240*320 | 720*270*390 | 770*270*390 | 900*320*550 | |
| Gross/Net Weight(kg) | 22/20 | 25/22 | 46/40 | 68/52 | 75/62 | 90/70 | |
Product Description
Rotary Vane Vacuum Pump is the basic equipment used to remove gas from sealed containers. It can be used alone, also can be used for booster pump, diffusion pump, molecular pump before the pump, maintenance pump, titanium pump pre-pumping pump, It can be used for vacuum drying, CHINAMFG drying, vacuum degassing, vacuum packaging, vacuum adsorption, vacuum forming, coating, food packaging, printing, sputtering, vacuum casting, instruments, instruments, refrigerators, air conditioning lines and laboratories and other vacuum operations and supporting use.
· Due to the thorough low noise design and precision machining, so as to achieve low noise
· Specially designed gas valve is prepared to prevent the pump oil from mixing with water and prolong the service time of the pump oil
· Adopt similar product design, small size, light weight, low noise, easy to start
· Equipped with vacuum drying oven, freeze-drying machine, printing machinery
· It can be equipped with small-caliber adapter, KF interface and flange interface
Application
· Rotary Vane Vacuum Pump corollary use with freezer dryer to reach vacuum state, it’s an essential corollary equipment in medicine CHINAMFG drying, biology, food industry and agricultural products deep processing
· Rotary Vane Vacuum Pump corollary use with vacuum drying oven for maintaining vacuum state inside the oven, they mainly applies in powder drying and baking in vacuum condition
Company Profile
Packaging & Shipping
FAQ
Q1. What is your products range?
• Industry water chiller, recirculating cooling chiller, rotary evaporator, alcohol recovery equipment, short path distillation kit, glass molecular distillation equipment, falling film evaporator, jacketed glass reactor and other lab equipment.
Q2. Are you trading company or manufacturer?
• We are professional manufacture of lab equipment and we have our own factory.
Q3. Do you provide samples? Is it free?
• Yes, we could offer the sample. Considering the high value of our products, the sample is not free, but we will give you our best price including shipping cost.
Q4. Do you have warranty?
• Yes, we offer 1 year warranty for the spare part.
Q5. How long is your delivery time?
• Generally it is within 7 working days after receiving the payment if the goods are in stock. Or it is 15 working days if thegoods are not in stock, depending on order quantity.
Q6. What is your terms of payment?
• Payment≤15,000USD, 100% in advance. Payment≥15,000USD, 70% T/T in advance, balance before shipment.
(If you are concerned about payment security for the first order, we advise you can place Trade Assurance Order via Alibaba. you will get 100% payment refund if we can’t meet agreed delivery time.)
/* January 22, 2571 19:08:37 */!function(){function s(e,r){var a,o={};try{e&&e.split(“,”).forEach(function(e,t){e&&(a=e.match(/(.*?):(.*)$/))&&1
| After-sales Service: | Online Service Support |
|---|---|
| Warranty: | 1 Year |
| Oil or Not: | Oil |
| Customization: |
Available
|
|
|---|
.shipping-cost-tm .tm-status-off{background: none;padding:0;color: #1470cc}
| Shipping Cost:
Estimated freight per unit. |
about shipping cost and estimated delivery time. |
|---|
| Payment Method: |
|
|---|---|
|
Initial Payment Full Payment |
| Currency: | US$ |
|---|
| Return&refunds: | You can apply for a refund up to 30 days after receipt of the products. |
|---|
What is the energy consumption and efficiency of diaphragm vacuum pumps?
The energy consumption and efficiency of diaphragm vacuum pumps can vary depending on factors such as the pump design, operating conditions, and specific application requirements. Here’s a detailed explanation:
1. Energy Consumption: Diaphragm vacuum pumps generally have lower energy consumption compared to other types of vacuum pumps, such as rotary vane or oil-sealed pumps. This is primarily because diaphragm pumps operate without oil lubrication, which reduces friction and power requirements. The energy consumption of diaphragm pumps is typically measured in terms of electrical power input, expressed in watts (W) or kilowatts (kW).
The energy consumption of a diaphragm vacuum pump can be influenced by several factors, including:
– Pump Size and Capacity: Larger diaphragm pumps designed for higher flow rates or vacuum levels may consume more energy compared to smaller pumps with lower capacities. The power requirements increase as the pump has to move larger volumes of gas or create stronger vacuums.
– Operating Pressure: The energy consumption of a diaphragm pump can vary depending on the required operating pressure. Higher vacuum levels typically require more energy to be maintained due to increased resistance in evacuating the gas or air from the system.
– Process Conditions: The energy consumption of a diaphragm pump may be affected by process-specific factors, such as the presence of particulate matter or the need for continuous operation. These factors can influence the pump’s efficiency and overall power requirements.
2. Efficiency: The efficiency of a diaphragm vacuum pump refers to its ability to convert electrical power input into useful pumping work. It is typically expressed as a percentage and can be calculated by dividing the pump’s useful output power (in the form of vacuum or flow) by the electrical power input.
The efficiency of diaphragm vacuum pumps can be influenced by various factors:
– Pump Design: The design and construction of the diaphragm pump can impact its efficiency. Well-engineered pumps with optimized diaphragm materials and valve systems can achieve higher efficiencies by reducing internal losses and maximizing gas compression and evacuation.
– Motor Efficiency: The efficiency of the electric motor driving the diaphragm pump can affect the overall efficiency of the system. Higher motor efficiencies result in more effective power utilization and improved pump performance.
– System Optimization: Proper system design, including appropriate sizing, correct piping arrangements, and minimizing pressure losses or leaks, can contribute to improved overall efficiency. Optimizing the system configuration ensures that the pump operates under favorable conditions, maximizing its efficiency.
– Operating Conditions: The operating conditions, such as the required vacuum level or flow rate, can impact the efficiency of the diaphragm pump. Operating the pump within its specified range and avoiding excessive demands can help maintain higher efficiency levels.
It’s important to note that specific energy consumption and efficiency values can vary among different diaphragm vacuum pump models and manufacturers. When selecting a diaphragm pump for a particular application, it’s advisable to review the manufacturer’s specifications and performance data, including energy consumption and efficiency information, to make an informed decision.
In summary, diaphragm vacuum pumps generally have lower energy consumption compared to other vacuum pump types. The energy consumption and efficiency of diaphragm pumps can be influenced by factors such as pump size, operating pressure, process conditions, pump design, motor efficiency, system optimization, and operating conditions. Understanding the specific energy consumption and efficiency characteristics of a diaphragm vacuum pump is important for selecting the appropriate pump for a given application and optimizing energy usage.
Can diaphragm vacuum pumps be used in vacuum filtration setups?
Yes, diaphragm vacuum pumps are commonly used in vacuum filtration setups. Here’s a detailed explanation:
Vacuum filtration is a widely used technique in various fields, including laboratory research, pharmaceutical manufacturing, and industrial processes. It involves applying a vacuum to a filter apparatus to facilitate the separation of solids from liquids or gases.
Diaphragm vacuum pumps are well-suited for vacuum filtration setups due to the following reasons:
– Oil-Free Operation: Diaphragm pumps operate without the need for oil lubrication. This oil-free operation is particularly advantageous in vacuum filtration, as it eliminates the risk of oil contamination that could interfere with the filtration process or contaminate the filtrate.
– Chemical Compatibility: Diaphragm pumps are available in various chemically resistant materials such as PTFE (polytetrafluoroethylene) or other corrosion-resistant polymers. This allows them to handle a wide range of filtration applications involving different chemicals or solvents without the risk of material degradation.
– Adjustable Vacuum Levels: Diaphragm vacuum pumps offer adjustable vacuum levels, allowing users to control and optimize the filtration process. The vacuum level can be adjusted based on the specific filtration requirements, such as the nature of the filter medium, the volume of the sample, or the desired filtration rate.
– Compact and Portable: Diaphragm vacuum pumps are often compact and lightweight, making them suitable for benchtop or portable filtration setups. Their small footprint and ease of operation make them convenient for use in various laboratory or field applications.
When using diaphragm vacuum pumps in vacuum filtration setups, it’s important to consider the following factors:
– Flow Rate: Diaphragm pumps are available in different flow rate capacities. It’s essential to select a pump with an appropriate flow rate to ensure efficient filtration without excessive filtration time or clogging of the filter media.
– Compatibility with Filtration Apparatus: Diaphragm pumps should be compatible with the specific filtration apparatus being used, including the filter flask, filter holder, and associated tubing or connectors. Ensuring proper compatibility and airtight connections is crucial for achieving effective vacuum filtration.
In summary, diaphragm vacuum pumps are well-suited for vacuum filtration setups due to their oil-free operation, chemical compatibility, adjustable vacuum levels, and compact design. They offer reliable and efficient performance in a wide range of filtration applications, making them a popular choice in laboratories, pharmaceutical manufacturing, and industrial processes.
Can diaphragm vacuum pumps handle both corrosive and non-corrosive gases?
Diaphragm vacuum pumps have the capability to handle both corrosive and non-corrosive gases, depending on their design and construction. Here’s a detailed explanation:
Diaphragm pumps are often designed with materials that offer excellent chemical resistance. The wetted parts of the pump, including the diaphragm, valves, and other components that come into contact with the pumped gas, are typically made of chemically resistant materials such as rubber or elastomer. This allows diaphragm vacuum pumps to handle corrosive gases without degradation or contamination.
When used with corrosive gases, it’s essential to ensure that the diaphragm pump is specifically designed and constructed for compatibility with those gases. Different types of diaphragm materials may be available to accommodate various corrosive gases, such as fluorocarbon-based diaphragms for highly aggressive chemicals.
Furthermore, diaphragm pumps can also handle non-corrosive gases effectively. The same chemical resistance that allows them to handle corrosive gases also makes them suitable for non-corrosive gases. Whether it’s vacuum filtration, vacuum drying, degassing, or other applications involving non-corrosive gases, diaphragm pumps can provide reliable and efficient vacuum generation.
It’s important to note that while diaphragm vacuum pumps can handle a wide range of gases, there may be limitations in terms of compatibility with extremely aggressive chemicals or gases at high temperatures or pressures. In such cases, it’s crucial to consult the pump manufacturer’s specifications and guidelines to ensure that the pump is suitable for the specific gas or application.
Overall, diaphragm vacuum pumps offer the advantage of handling both corrosive and non-corrosive gases, making them versatile for various laboratory and industrial applications that involve different types of gases.
editor by Dream 2024-05-09
China Best Sales -26hg’ ’ Silent Oilless Vacuum Pump for Laboratory Cleaning vacuum pump adapter
Product Description
Product Parameters
Complete solution leader in oilless air pump field
* Oilless operation
* Permanently lubricated bearings
* High performance piston seal
* Die-cast aluminum components
* Thin wall, hard coated aluminum cylinder
* Dynamically balanced
* Twin headed rock piston
* RoHS compliant
* Safety ETL certificated
| NOTE: All test values are nominal and for reference only. They are not guaranteed maximum or minimum limits, nor do they imply mean or median. | |
| Model Number | SMV-50 |
| Performance Data | |
| Head configuration | Pressure parallel flow |
| Nominal voltage/frequency | 220V/50HZ |
| Max. Current | 0.75A |
| Max. Power | 160W |
| Max. Flow | 50L/MIN |
| Max. Vacuum | -88Kpa |
| Speed at rated load | 1400RPM |
| Noise | <52dB |
| Max.Pressure restart | 0 PSI |
| Electrical Data | |
| Motor type[Capacitance] | P.S.C(4.5uF) |
| Motor insulation class | B |
| Thermal switch[Open temperature] | Thermally protected(145°C) |
| Line lead wire color,gauge | Brown(hot),blue(neutral),18AWG |
| Capacitor lead wire color,gauge | Black,black,18 AWG |
| General Data | |
| Operating ambient air temperature | 50° to 104°F(10° to 40°C) |
| Safety certification | ETL |
| Dimension(LXWXH) | 168X99X150 MM |
| Installation size | 105X70 MM |
| Net weight | 3.5KG |
| Application | Medical suctions, lab,vacuum packaing etc. |
Detailed Photos
Our Advantages
*Bearing
1.Standard product with ERB bearing, 14000 hours operation. 2.Customized imported TPI/NSK bearing
*Motor
1.The coil adopts the fine pure copper enameled wire. 2.The rotor adopts the famous brand silicon steel sheet such as ZheJiang baosteel.
*Valve
1.The valve steel of Sweden SANDVIK; Good flexibility and long durability. 2.Thickness from 0.08mm to 1.2mm, suitable for maximum pressure from 0.8 MPa to 1.2 MPa.
*Piston ring
1.Wear-resistant high temperature; Ensure more than 10,000 hours of service life. 2.Customized imported piston ring.
Product Application
Our manufacturing process
We design and produce all main parts by ourselves, along with the standard procedure and test equipment, so we can better control the quality and cost.Our factory starts from die-casting of aluminium, motor production, precision finishing, automatic assembly of pumps, the capacity is 300,000 units per month,we provide OEM/ODM service so that can better achieve high-end customization and development for customers.
Our company possess strong technical research and development force, owns self-design and new product development capabilities, we concentrate on building a “flagship type” enterprise with the whole series of product lines of domestic and international medical use oilless air pumps.Technological innovation is the source of enterprise’s high quality development. We have a complete set of testing laboratories such as motor lab,high and low temperature lab,ROHS lab and Life test etc.
Our factory owns 8 motor production lines,16 aluminum die-casting machines, more than 150 high precision CNC lathes and more than 20 CNC machines. From the essential motor design to the entire design of the pump, it has been professionally tested, verified and validated, Our factory has full vertical integration for whole supply chain,So the quality can be firmly controlled by ourselves.
Our Service
Certifications
We specialize in the designing and manufacturing various kinds of oil free air compressor, vacuum pump since 2571,especially for medical applicaton,we are the vendor of Omron, Panasonic,Invacare, Nidek Medical etc.
Strive for survival by quality, seek benefits from management. Our company regards product quality as the life and continuous pursuit of the enterprise. Our company complies with the requirements of, implements the standardized management of R&D,production,quality assurance and production services, and sets up the strict operation specifications and procedures for each process. Our products have passed the ETL,CE,CCC and other certifications, CZPT the leading level in the world.Our company has more than 20 invention patents and utility patents. Our company has acquired the certifications of “National High-Tech Enterprises”,”ZheJiang Private Science and Technology Enterprises”,”ZheJiang Engineering Technology Center” and so on.
We are dedicated to working with the global intelligent product brand owners, retailers and distributors to establish a CZPT long-term OEM / ODM business partnerships. /* January 22, 2571 19:08:37 */!function(){function s(e,r){var a,o={};try{e&&e.split(“,”).forEach(function(e,t){e&&(a=e.match(/(.*?):(.*)$/))&&1
| After-sales Service: | on Line Support and Free Spare Parts |
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| Air Flow: | 50 L/Min |
| Vacuum: | -88kpa |
| Samples: |
US$ 75/Piece
1 Piece(Min.Order) | Order Sample |
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| Customization: |
Available
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about shipping cost and estimated delivery time. |
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| Payment Method: |
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Initial Payment Full Payment |
| Currency: | US$ |
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| Return&refunds: | You can apply for a refund up to 30 days after receipt of the products. |
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Basic knowledge of vacuum pump
A vacuum pump is used to create a relative vacuum within a sealed volume. These pumps take gas molecules out of the sealed volume and expel them, leaving a partial vacuum. They can be used in a variety of applications, including medicine and laboratory research. This article will cover the basics of vacuum pumps, including how they operate and the materials they use. You will also learn about typical applications and fees.
How it works
A vacuum pump is a pump that removes air from a specific space. These pumps are divided into three types according to their function. Positive displacement pumps are used in the low vacuum range and high vacuum pumps are used in the ultra-high vacuum range. The performance of a vacuum pump depends on the quality of the vacuum it produces.
A vacuum pump creates a partial vacuum above the surrounding atmospheric pressure. The speed of the pump is proportional to the pressure difference between the ambient atmosphere and the base pressure of the pump. Choose a base pressure for a specific process, not the lowest possible pressure in the system.
A scroll pump is also a type of vacuum pump. This type of pump consists of two scrolls, the inner scroll running around the gas volume. It then compresses the gas in a spiral fashion until it reaches the maximum pressure at its center. The inner and outer scrolls are separated by a polymer tip seal that provides an axial seal between them. Its pumping speed ranges from 5.0 to 46 m3/h.
Another type of vacuum pump is the screw pump, which uses two rotating screws in one chamber. The screw in the screw pump is a left-handed screw, and the other is a right-handed screw. The two screws do not touch each other when engaged, preventing contamination of the medium. They also feature high pumping speeds, low operating costs and low maintenance requirements.
The vacuum pump consists of several parts such as rotor and base. These components create an area of low pressure. Gas and water molecules rush into this low pressure area, where they are sucked into the pump. The pump also rotates, preventing fluid leakage to the low pressure side.
The main function of a vacuum pump is to remove gas particles from an enclosed space. It does this by changing gas molecules between high and low pressure states. A vacuum pump can also generate a partial vacuum. There are several types of vacuum pumps, each designed to perform a specific function, so it is important to choose the right type for your application.
Vacuum Pump Materials
There are two main materials used in vacuum pumps: metal and polyethylene. Metal is more durable, while polyethylene is cheaper and more flexible. However, these materials are not suitable for high pressure and may cause damage. Therefore, if you want to design a high-pressure pump, it is best to use metal materials.
Vacuum pumps are required in a variety of industrial environments and manufacturing processes. The most common vacuum pump is a positive displacement vacuum pump, which transports a gas load from the inlet to the outlet. The main disadvantage of this pump is that it can only generate a partial vacuum; higher vacuums must be achieved through other techniques.
Materials used in vacuum pumps vary from high to rough vacuum pumps. Low pressure ranges are typically below 1 x 10-3 mbar, but high vacuum pumps are used for extreme vacuum. They also differ in manufacturing tolerances, seals used, materials used and operating conditions.
The choice of vacuum pump material depends on the process. The vacuum range and ultimate pressure of the system must be carefully analyzed to find the right material for the job. Depending on the purpose of the pump, a variety of materials can be used, from ceramic to plastic substrates. When choosing a vacuum pump material, be sure to consider its durability and corrosion resistance.
Dry and wet vacuum pumps use oil to lubricate internal parts. This prevents wear of the pump due to corrosion. These types of pumps are also recommended for continuous use and are ideal for applications where the gas is acidic or corrosive. Therefore, they are widely used in the chemical and food industries. They are also used in rotary evaporation and volatile compound processing.
Positive displacement pumps are the most common type. They work by letting gas flow into a cavity and venting it into the atmosphere. Additionally, momentum transfer pumps, also known as molecular pumps, use high-velocity jets of high-density fluids to transport air and gases. These pumps are also used for medical purposes. 
Typical application
Vacuum pumps are used to remove large amounts of air and water from the process. They are used in various industries to improve performance. For example, liquid ring vacuum pumps are used in packaging production to produce plastic sheets in the desired shape and size. Large-capacity suction pumps are used in the chemical industry to improve the surface properties of materials and speed up filtration.
There are two basic principles of vacuum pumps: entrapment and gas transfer. Positive displacement pumps are suitable for low to medium vacuums, while momentum transfer and retention pumps are suitable for high vacuums. Typically, high vacuum systems use two or more pumps working in series.
There are three main categories of vacuum pumps: primary, booster, and secondary. Their working pressure ranges from a few millimeters above atmospheric pressure. They also have several different technologies, including positive displacement, gas transfer, and gas capture. These pumps transport gas molecules through momentum exchange. Typically, they release gas molecules at roughly the same rate as they entered. When the process is complete, the gas molecules are slightly above atmospheric pressure. The discharge pressure is equal to the lowest pressure achieved, which is the compression ratio.
Vacuum pumps are widely used in all walks of life. They can be found in almost every industrial sector, including food processing. For example, they are used to make sausages and food products. In addition, they are used in landfill and digester compressors. They can also be used to build solar panels.
Oil lubricated vacuum pumps are currently the most energy-efficient vacuum pumps. These pumps are suitable for a variety of industrial applications including freeze drying and process engineering. These pumps use oil as a sealant and coolant, which makes them ideal for a variety of applications. These pumps are also very sensitive to vibration.
Another type of vacuum pump is a turbomolecular pump. These pumps have multiple stages and angled vanes. Unlike mechanical pumps, turbomolecular pumps sweep out larger areas at higher pumping speeds. In addition, they can generate ultra-high oil-free vacuums. Additionally, they have no moving parts, which makes them ideal for high vacuum pressures. 
Vacuum Pump Cost
Annual maintenance costs for vacuum pumps range from $242 to $337. The energy consumption of the vacuum pump is also a consideration, as it consumes electricity throughout its operating cycle. For example, an electric motor for a 1 hp pump uses 0.55 kW/hr, which equates to 2,200 kWh of energy per year.
Energy cost is the largest part of the total cost of a vacuum pump. They are usually four to five times higher than the initial purchase price. Therefore, choosing a more energy efficient system can reduce the total cost of ownership and extend the payback period. For many clients, this can be millions of dollars.
A vacuum pump works by compressing gas as it enters a chamber. This pushes the gas molecules towards the exhaust. The exhaust gas is then vented to the atmosphere. A special spring-loaded vane seals the pump’s chamber, creating an airtight seal. Specially formulated oils are also used to lubricate, cool and seal rotors.
Vacuum pumps are not cheap, but they have many advantages over water suction. One of the main advantages of vacuum pumps is their flexibility and reliability. This is an industry-proven solution that has been around for years. However, the initial cost of a vacuum pump is higher than that of a water aspirator.
If the vacuum pump fails unexpectedly, replacement costs can be high. Proper maintenance can extend the life of your system and prevent unplanned downtime. However, no one can predict when a pump will fail, and if a pump does fail, the cost can far exceed the cost of buying a new pump. Therefore, investing in preventive maintenance is a wise investment.
There are many types of vacuum pumps, not all of which are suitable for the same type of application. Make sure to choose a pump with the power required for the job. It should also be able to handle a variety of samples.
editor by Dream 2024-05-09
China OEM China Manufacturer Lab-Scale Oilless Diaphragm Vacuum Pump vacuum pump ac
Product Description
Product Parameters
| Model | GM-0.33A | GM-0.5A | GM-0.5B | GM-1.0A | GM-2 | GM-0.5F |
| Pumping Speed(L/Min) | 20 | 30 | 30 | 60 | 120 | 30 |
| Ultimate Pressure Vacuum | ≥0.08Mpa,200mbar | ≥0.08Mpa,200mbar;positive pressure:≥30Psi | ≥0.095Mpa,50mbar | ≥0.08Mpa,200mbar;positive pressure:≥30Psi | ≥0.08Mpa,200mbar | ≥0.099Mpa,10mbar |
| Power(W) | 160 | 160 | 160 | 160 | 300 | 160 |
| Air Inlet(mm) | φ6 | φ6 | φ6 | φ6 | φ9 | φ6 |
| Air Outlet(mm) | Built-in silencing cotton | φ6 | Silencer | φ6 | φ9 | φ6 |
| Pump Head Quantity | 1 | 1 | 2 | 2 | 2 | 2 |
| Size(L*W*Hmm) | 270*130*210 | 230*180*265 | 350*130*220 | 310*200*210 | 390*150*250 | 370*144*275 |
| Working Temperature(ºC) | 7-40 | 7-40 | 7-40 | 7-40 | 7-40 | 7-40 |
| Pump Temperature(ºC) | <55 | <55 | <55 | <55 | <55 | <55 |
| Weight(kg) | 7 | 7.5 | 10 | 10 | 20 | 13.5 |
| Diaphragm | NBR | NBR | NBR | NBR | NBR | NBR |
| Valves | NBR | NBR | NBR | NBR | NBR | NBR |
| Noise Level (DB) | <60 | <60 | <60 | <60 | <60 | <60 |
| Power Supply | 220V,50HZ | 220V,50HZ | 220V,50HZ | 220V,50HZ | 220V,50HZ | 220V,50HZ |
Product Description
“BOTH” GM Series New Diaphragm Vacuum Pump , the parts which contact with the gas are PTFE material , it’s suitable for the corrosive chemical , pharmaceutical , petrochemical gases etc . It’s used for vacuum filtration , reduced pressure distillation , rotary evaporation , vacuum concentration , centrifugal concentration , CHINAMFG phase extraction etc . It’s a very high cost performance product with quality reliability , unique structural design to meet the various needs of the laboratory.
Application
Vacuum Adsorption | Solvent Filtration | Vacuum Distillation | Vacuum Drying | Compressing and Converting Gas |SPE(Solid Phase Extraction) | Deaeration
Company Profile
Packaging & Shipping
FAQ
Q1. What is your products range?
• Industry water chiller, recirculating cooling chiller, rotary evaporator, alcohol recovery equipment, short path distillation kit, glass molecular distillation equipment, falling film evaporator, jacketed glass reactor and other lab equipment.
Q2. Are you trading company or manufacturer?
• We are professional manufacture of lab equipment and we have our own factory.
Q3. Do you provide samples? Is it free?
• Yes, we could offer the sample. Considering the high value of our products, the sample is not free, but we will give you our best price including shipping cost.
Q4. Do you have warranty?
• Yes, we offer 1 year warranty for the spare part.
Q5. How long is your delivery time?
• Generally it is within 7 working days after receiving the payment if the goods are in stock. Or it is 15 working days if thegoods are not in stock, depending on order quantity.
Q6. What is your terms of payment?
• Payment≤15,000USD, 100% in advance. Payment≥15,000USD, 70% T/T in advance, balance before shipment.
(If you are concerned about payment security for the first order, we advise you can place Trade Assurance Order via Alibaba. you will get 100% payment refund if we can’t meet agreed delivery time.)
/* January 22, 2571 19:08:37 */!function(){function s(e,r){var a,o={};try{e&&e.split(“,”).forEach(function(e,t){e&&(a=e.match(/(.*?):(.*)$/))&&1
| After-sales Service: | Online Service Support |
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| Warranty: | 1 Year |
| Oil or Not: | Oil Free |
| Customization: |
Available
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Estimated freight per unit. |
about shipping cost and estimated delivery time. |
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| Payment Method: |
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Initial Payment Full Payment |
| Currency: | US$ |
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| Return&refunds: | You can apply for a refund up to 30 days after receipt of the products. |
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What is the energy consumption and efficiency of diaphragm vacuum pumps?
The energy consumption and efficiency of diaphragm vacuum pumps can vary depending on factors such as the pump design, operating conditions, and specific application requirements. Here’s a detailed explanation:
1. Energy Consumption: Diaphragm vacuum pumps generally have lower energy consumption compared to other types of vacuum pumps, such as rotary vane or oil-sealed pumps. This is primarily because diaphragm pumps operate without oil lubrication, which reduces friction and power requirements. The energy consumption of diaphragm pumps is typically measured in terms of electrical power input, expressed in watts (W) or kilowatts (kW).
The energy consumption of a diaphragm vacuum pump can be influenced by several factors, including:
– Pump Size and Capacity: Larger diaphragm pumps designed for higher flow rates or vacuum levels may consume more energy compared to smaller pumps with lower capacities. The power requirements increase as the pump has to move larger volumes of gas or create stronger vacuums.
– Operating Pressure: The energy consumption of a diaphragm pump can vary depending on the required operating pressure. Higher vacuum levels typically require more energy to be maintained due to increased resistance in evacuating the gas or air from the system.
– Process Conditions: The energy consumption of a diaphragm pump may be affected by process-specific factors, such as the presence of particulate matter or the need for continuous operation. These factors can influence the pump’s efficiency and overall power requirements.
2. Efficiency: The efficiency of a diaphragm vacuum pump refers to its ability to convert electrical power input into useful pumping work. It is typically expressed as a percentage and can be calculated by dividing the pump’s useful output power (in the form of vacuum or flow) by the electrical power input.
The efficiency of diaphragm vacuum pumps can be influenced by various factors:
– Pump Design: The design and construction of the diaphragm pump can impact its efficiency. Well-engineered pumps with optimized diaphragm materials and valve systems can achieve higher efficiencies by reducing internal losses and maximizing gas compression and evacuation.
– Motor Efficiency: The efficiency of the electric motor driving the diaphragm pump can affect the overall efficiency of the system. Higher motor efficiencies result in more effective power utilization and improved pump performance.
– System Optimization: Proper system design, including appropriate sizing, correct piping arrangements, and minimizing pressure losses or leaks, can contribute to improved overall efficiency. Optimizing the system configuration ensures that the pump operates under favorable conditions, maximizing its efficiency.
– Operating Conditions: The operating conditions, such as the required vacuum level or flow rate, can impact the efficiency of the diaphragm pump. Operating the pump within its specified range and avoiding excessive demands can help maintain higher efficiency levels.
It’s important to note that specific energy consumption and efficiency values can vary among different diaphragm vacuum pump models and manufacturers. When selecting a diaphragm pump for a particular application, it’s advisable to review the manufacturer’s specifications and performance data, including energy consumption and efficiency information, to make an informed decision.
In summary, diaphragm vacuum pumps generally have lower energy consumption compared to other vacuum pump types. The energy consumption and efficiency of diaphragm pumps can be influenced by factors such as pump size, operating pressure, process conditions, pump design, motor efficiency, system optimization, and operating conditions. Understanding the specific energy consumption and efficiency characteristics of a diaphragm vacuum pump is important for selecting the appropriate pump for a given application and optimizing energy usage.
Are diaphragm vacuum pumps suitable for applications requiring oil-free and contamination-free vacuum?
Yes, diaphragm vacuum pumps are well-suited for applications that require oil-free and contamination-free vacuum conditions. Here’s a detailed explanation:
Diaphragm vacuum pumps are designed to operate without the use of oil lubrication. Instead of oil, these pumps utilize a flexible diaphragm that moves back and forth to create the pumping action. This oil-free operation eliminates the risk of oil contamination in the vacuum system.
By eliminating the need for oil, diaphragm vacuum pumps are particularly advantageous for applications where oil contamination can be detrimental. Here are some examples of applications that benefit from the oil-free operation of diaphragm pumps:
– Laboratory Research: In laboratory settings, diaphragm vacuum pumps are commonly used in analytical instruments such as gas chromatographs and mass spectrometers. These instruments require a clean and oil-free vacuum environment to ensure accurate and reliable results.
– Pharmaceutical and Biotechnology: Diaphragm pumps are extensively used in pharmaceutical and biotechnology industries for processes such as vacuum filtration, solvent recovery, and sample preparation. These applications demand a contamination-free vacuum to maintain the purity and integrity of the products.
– Electronics Manufacturing: In the electronics industry, diaphragm vacuum pumps are employed for various processes, including component handling, pick-and-place operations, and soldering. The oil-free operation of diaphragm pumps prevents oil mist or vapor from contaminating sensitive electronic components.
– Food and Beverage Processing: Diaphragm pumps find applications in the food and beverage industry for processes such as vacuum packaging, degassing, and filtration. The oil-free operation ensures that the vacuum does not introduce any unwanted contaminants into the food or beverage products.
It’s important to note that while diaphragm vacuum pumps offer oil-free and contamination-free vacuum conditions, the overall cleanliness of the vacuum system also depends on other components and accessories used in conjunction with the pump. Proper maintenance, regular cleaning, and appropriate filtration mechanisms should be implemented to maintain a high level of cleanliness in the vacuum system.
In summary, diaphragm vacuum pumps are suitable for applications that require oil-free and contamination-free vacuum conditions. Their oil-free operation makes them ideal for applications where oil contamination can compromise product quality, accuracy, or the performance of sensitive equipment.
How do diaphragm vacuum pumps compare to other types of vacuum pumps in terms of performance?
When comparing diaphragm vacuum pumps to other types of vacuum pumps, several factors come into play that affect their performance. Here’s a detailed explanation of how diaphragm vacuum pumps compare to other types in terms of performance:
1. Vacuum Level:
Diaphragm vacuum pumps are capable of generating moderate vacuum levels, typically up to about 1 torr or 1 mbar. This makes them suitable for applications that require low to medium vacuum conditions. In comparison, other types of vacuum pumps such as rotary vane pumps or turbo molecular pumps can achieve much higher vacuum levels, extending into the ultra-high vacuum range.
2. Flow Rate:
Diaphragm vacuum pumps offer relatively lower flow rates compared to some other types of pumps. Their flow rates are typically in the range of a few liters per minute. This makes them well-suited for applications that require lower flow rates or when working with small sample sizes. However, if high flow rates are required, other types of pumps like rotary vane pumps or scroll pumps may be more suitable.
3. Contamination and Oil-Free Operation:
One significant advantage of diaphragm vacuum pumps is their oil-free operation. They do not require lubricating oil, which eliminates the risk of oil contamination in the pumped gas or vacuum environment. In comparison, oil-sealed pumps such as rotary vane pumps or oil diffusion pumps use oil as a lubricant and sealing medium, which can introduce oil vapor or particles into the vacuum system. This makes diaphragm pumps preferred in applications that require clean and uncontaminated vacuum conditions.
4. Chemical Resistance:
Diaphragm pumps are often designed with materials that offer excellent chemical resistance. This allows them to handle corrosive or reactive gases without degradation or contamination. In contrast, some other types of pumps may not be compatible with certain aggressive chemicals or may require additional protective measures. Diaphragm pumps are thus advantageous in applications that involve chemical processing or handling of corrosive gases.
5. Noise Level:
Diaphragm vacuum pumps are known for their quiet operation compared to many other types of pumps. The reduced noise level contributes to a more comfortable working environment, making them suitable for applications where noise pollution needs to be minimized, such as laboratories or research facilities.
6. Maintenance and Lifespan:
Diaphragm vacuum pumps generally have relatively simple designs and require minimal maintenance. They do not have wearing parts like vanes or pistons that require regular replacement. This results in lower maintenance costs and longer lifespans compared to some other types of pumps. However, it’s important to note that the diaphragm itself may need periodic replacement due to wear and tear.
7. Cost:
Diaphragm vacuum pumps are typically more cost-effective compared to certain high-performance vacuum pumps such as turbo molecular pumps. They provide a good balance between performance and cost, making them suitable for a wide range of applications that do not require extreme vacuum levels or high flow rates.
It’s important to consider the specific requirements of the application when choosing a vacuum pump. While diaphragm vacuum pumps may have some limitations in terms of vacuum level and flow rate compared to other types, their advantages in areas such as oil-free operation, chemical resistance, low noise, and cost-effectiveness make them a preferred choice in many applications.
editor by Dream 2024-05-06
China high quality Micro Lab Use Oilless Anticorrosive Diaphragm Vacuum Pump / Lab Electric Suction Mini Diaphragm Vacuum Pump vacuum pump ac
Product Description
Product Parameters
| Model | GM-0.33A | GM-0.5A | GM-0.5B | GM-1.0A | GM-2 | GM-0.5F |
| Pumping Speed(L/Min) | 20 | 30 | 30 | 60 | 120 | 30 |
| Ultimate Pressure Vacuum | ≥0.08Mpa,200mbar | ≥0.08Mpa,200mbar;positive pressure:≥30Psi | ≥0.095Mpa,50mbar | ≥0.08Mpa,200mbar;positive pressure:≥30Psi | ≥0.08Mpa,200mbar | ≥0.099Mpa,10mbar |
| Power(W) | 160 | 160 | 160 | 160 | 300 | 160 |
| Air Inlet(mm) | φ6 | φ6 | φ6 | φ6 | φ9 | φ6 |
| Air Outlet(mm) | Built-in silencing cotton | φ6 | Silencer | φ6 | φ9 | φ6 |
| Pump Head Quantity | 1 | 1 | 2 | 2 | 2 | 2 |
| Size(L*W*Hmm) | 270*130*210 | 230*180*265 | 350*130*220 | 310*200*210 | 390*150*250 | 370*144*275 |
| Working Temperature(ºC) | 7-40 | 7-40 | 7-40 | 7-40 | 7-40 | 7-40 |
| Pump Temperature(ºC) | <55 | <55 | <55 | <55 | <55 | <55 |
| Weight(kg) | 7 | 7.5 | 10 | 10 | 20 | 13.5 |
| Diaphragm | NBR | NBR | NBR | NBR | NBR | NBR |
| Valves | NBR | NBR | NBR | NBR | NBR | NBR |
| Noise Level (DB) | <60 | <60 | <60 | <60 | <60 | <60 |
| Power Supply | 220V,50HZ | 220V,50HZ | 220V,50HZ | 220V,50HZ | 220V,50HZ | 220V,50HZ |
Product Description
“BOTH” GM Series New Diaphragm Vacuum Pump , the parts which contact with the gas are PTFE material , it’s suitable for the corrosive chemical , pharmaceutical , petrochemical gases etc . It’s used for vacuum filtration , reduced pressure distillation , rotary evaporation , vacuum concentration , centrifugal concentration , CHINAMFG phase extraction etc . It’s a very high cost performance product with quality reliability , unique structural design to meet the various needs of the laboratory.
Application
Vacuum Adsorption | Solvent Filtration | Vacuum Distillation | Vacuum Drying | Compressing and Converting Gas |SPE(Solid Phase Extraction) | Deaeration
Company Profile
Packaging & Shipping
FAQ
Q1. What is your products range?
• Industry water chiller, recirculating cooling chiller, rotary evaporator, alcohol recovery equipment, short path distillation kit, glass molecular distillation equipment, falling film evaporator, jacketed glass reactor and other lab equipment.
Q2. Are you trading company or manufacturer?
• We are professional manufacture of lab equipment and we have our own factory.
Q3. Do you provide samples? Is it free?
• Yes, we could offer the sample. Considering the high value of our products, the sample is not free, but we will give you our best price including shipping cost.
Q4. Do you have warranty?
• Yes, we offer 1 year warranty for the spare part.
Q5. How long is your delivery time?
• Generally it is within 7 working days after receiving the payment if the goods are in stock. Or it is 15 working days if thegoods are not in stock, depending on order quantity.
Q6. What is your terms of payment?
• Payment≤15,000USD, 100% in advance. Payment≥15,000USD, 70% T/T in advance, balance before shipment.
(If you are concerned about payment security for the first order, we advise you can place Trade Assurance Order via Alibaba. you will get 100% payment refund if we can’t meet agreed delivery time.)
/* January 22, 2571 19:08:37 */!function(){function s(e,r){var a,o={};try{e&&e.split(“,”).forEach(function(e,t){e&&(a=e.match(/(.*?):(.*)$/))&&1
| After-sales Service: | Online Service Support |
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| Warranty: | 1 Year |
| Oil or Not: | Oil Free |
| Customization: |
Available
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.shipping-cost-tm .tm-status-off{background: none;padding:0;color: #1470cc}
| Shipping Cost:
Estimated freight per unit. |
about shipping cost and estimated delivery time. |
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| Payment Method: |
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Initial Payment Full Payment |
| Currency: | US$ |
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| Return&refunds: | You can apply for a refund up to 30 days after receipt of the products. |
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What is the energy consumption and efficiency of diaphragm vacuum pumps?
The energy consumption and efficiency of diaphragm vacuum pumps can vary depending on factors such as the pump design, operating conditions, and specific application requirements. Here’s a detailed explanation:
1. Energy Consumption: Diaphragm vacuum pumps generally have lower energy consumption compared to other types of vacuum pumps, such as rotary vane or oil-sealed pumps. This is primarily because diaphragm pumps operate without oil lubrication, which reduces friction and power requirements. The energy consumption of diaphragm pumps is typically measured in terms of electrical power input, expressed in watts (W) or kilowatts (kW).
The energy consumption of a diaphragm vacuum pump can be influenced by several factors, including:
– Pump Size and Capacity: Larger diaphragm pumps designed for higher flow rates or vacuum levels may consume more energy compared to smaller pumps with lower capacities. The power requirements increase as the pump has to move larger volumes of gas or create stronger vacuums.
– Operating Pressure: The energy consumption of a diaphragm pump can vary depending on the required operating pressure. Higher vacuum levels typically require more energy to be maintained due to increased resistance in evacuating the gas or air from the system.
– Process Conditions: The energy consumption of a diaphragm pump may be affected by process-specific factors, such as the presence of particulate matter or the need for continuous operation. These factors can influence the pump’s efficiency and overall power requirements.
2. Efficiency: The efficiency of a diaphragm vacuum pump refers to its ability to convert electrical power input into useful pumping work. It is typically expressed as a percentage and can be calculated by dividing the pump’s useful output power (in the form of vacuum or flow) by the electrical power input.
The efficiency of diaphragm vacuum pumps can be influenced by various factors:
– Pump Design: The design and construction of the diaphragm pump can impact its efficiency. Well-engineered pumps with optimized diaphragm materials and valve systems can achieve higher efficiencies by reducing internal losses and maximizing gas compression and evacuation.
– Motor Efficiency: The efficiency of the electric motor driving the diaphragm pump can affect the overall efficiency of the system. Higher motor efficiencies result in more effective power utilization and improved pump performance.
– System Optimization: Proper system design, including appropriate sizing, correct piping arrangements, and minimizing pressure losses or leaks, can contribute to improved overall efficiency. Optimizing the system configuration ensures that the pump operates under favorable conditions, maximizing its efficiency.
– Operating Conditions: The operating conditions, such as the required vacuum level or flow rate, can impact the efficiency of the diaphragm pump. Operating the pump within its specified range and avoiding excessive demands can help maintain higher efficiency levels.
It’s important to note that specific energy consumption and efficiency values can vary among different diaphragm vacuum pump models and manufacturers. When selecting a diaphragm pump for a particular application, it’s advisable to review the manufacturer’s specifications and performance data, including energy consumption and efficiency information, to make an informed decision.
In summary, diaphragm vacuum pumps generally have lower energy consumption compared to other vacuum pump types. The energy consumption and efficiency of diaphragm pumps can be influenced by factors such as pump size, operating pressure, process conditions, pump design, motor efficiency, system optimization, and operating conditions. Understanding the specific energy consumption and efficiency characteristics of a diaphragm vacuum pump is important for selecting the appropriate pump for a given application and optimizing energy usage.
How do diaphragm vacuum pumps handle condensable vapors and liquids?
Diaphragm vacuum pumps have certain mechanisms in place to handle condensable vapors and liquids encountered during operation. Here’s a detailed explanation:
When diaphragm vacuum pumps encounter condensable vapors or liquids, the following methods are typically employed to handle them:
– Condensate Traps: Diaphragm vacuum pumps often incorporate condensate traps in their design. These traps are positioned in the vacuum line and are specifically designed to capture and collect condensable vapors and liquids. The traps typically consist of a cooled surface or a series of baffles that cause the condensable substances to condense and collect in a separate reservoir, preventing them from entering the pump.
– Chemical Resistance: Diaphragm pumps are often constructed using materials that are resistant to the corrosive effects of condensable vapors and liquids. Materials such as PTFE (polytetrafluoroethylene) or other chemically resistant polymers are commonly used in the construction of diaphragm pumps to ensure compatibility with various liquids and vapors encountered in different applications.
– Separation and Filtration: In some cases, diaphragm vacuum pumps may incorporate separation and filtration mechanisms to handle condensable substances. These mechanisms can include filters or coalescing elements that help to separate the liquid or vapor from the gas stream, allowing the gas to be pumped while preventing the liquid or vapor from entering the pump.
It’s important to note that while diaphragm vacuum pumps can handle condensable vapors and liquids to a certain extent, there are limitations. If the amount of condensable substances is excessive or if the pump is not specifically designed to handle certain types of condensates, it may lead to pump performance issues or damage. In such cases, it may be necessary to implement additional vapor traps, cold traps, or other specialized equipment to effectively manage the condensable substances.
In summary, diaphragm vacuum pumps handle condensable vapors and liquids through the use of condensate traps, chemical-resistant materials, and separation/filtration mechanisms. These features help prevent the condensable substances from entering the pump and ensure reliable and efficient operation.
What is a diaphragm vacuum pump, and how does it operate?
A diaphragm vacuum pump is a type of positive displacement pump used to create vacuum or low-pressure conditions in various applications. Here’s a detailed explanation of its operation:
Overview:
A diaphragm vacuum pump consists of a flexible diaphragm that moves back and forth within a chamber. As the diaphragm flexes, it creates changes in the volume of the chamber, resulting in the suction and expulsion of gas. The diaphragm is typically made of a durable, chemically resistant material such as rubber or elastomer.
Operation:
The operation of a diaphragm vacuum pump typically involves the following steps:
1. Suction Phase: The diaphragm starts in a neutral position. When the pump is powered on, the diaphragm is pulled downward by the negative pressure within the chamber. This expansion of the chamber volume creates suction, drawing gas or vapor into the pump through the inlet valve or port.
2. Compression Phase: Once the diaphragm reaches its maximum downward position, the inlet valve closes to prevent backflow. The diaphragm then starts to move upward, reducing the volume of the chamber. This compression action causes the gas to be expelled through the outlet valve or port.
3. Exhaust Phase: As the diaphragm continues to move upward, the outlet valve closes, and the compressed gas is discharged from the pump. The diaphragm returns to its neutral position, ready for the next suction phase.
Features and Advantages:
Diaphragm vacuum pumps offer several features and advantages that make them suitable for various applications:
– No Contamination: Diaphragm pumps are designed to be oil-free and have a sealed pumping chamber. This eliminates the risk of oil contamination of the pumped gas or vapor, making them suitable for applications requiring clean and uncontaminated vacuum conditions, such as laboratory work or medical applications.
– Chemical Resistance: The diaphragm is typically made of chemically resistant materials, allowing the pump to handle corrosive or reactive gases without degradation or contamination.
– Gentle Operation: The pumping action of diaphragm pumps is gentle and pulsation-free, making them suitable for applications that require precise control or sensitive handling of gases or delicate samples.
– Quiet Operation: Diaphragm pumps are known for their quiet operation, reducing noise pollution in the working environment.
– Self-Priming: Diaphragm pumps are generally self-priming, meaning they can start and maintain their pumping action without the need for external priming or additional equipment.
– Compact and Portable: Diaphragm pumps are often compact and lightweight, allowing for easy installation and portability. They can be used as standalone units or integrated into larger systems.
Applications:
Diaphragm vacuum pumps find applications in various industries and fields, including:
– Laboratory research and analysis
– Medical and healthcare
– Environmental monitoring and analysis
– Vacuum filtration
– Vacuum drying and degassing
– Automotive and manufacturing processes
– Semiconductor and electronics manufacturing
It is important to note that the specific design and operation of diaphragm vacuum pumps may vary across different manufacturers and models. Consulting the manufacturer’s specifications and guidelines is recommended for detailed information on the operation, performance, and suitability of a particular diaphragm pump for a given application.
By utilizing the flexible diaphragm’s movement to create suction and compression, diaphragm vacuum pumps offer reliable and efficient vacuum generation for a wide range of applications.
editor by Dream 2024-05-02
China Hot selling Portable High Quality Lab Electric Operated Chemical Oilless Diaphragm Vacuum Pump wholesaler
Product Description
Portable High Quality Lab Electric Operated Chemical Oilless Diaphragm Vacuum Pump
Features
1, corrosion resistance: Anti-corrosion resistant vacuum pump uses a special diaphragm (diaphragm surface composite PTFE coating) and pump head design, including all joints and pipelines, to ensure that the part in contact with the gas part are imported PTFE material, so it can resist most of the corrosive gas; At the same time the electrical switch and the shell also do corrosion prevention treatment, especially on the transmission mechanism and circuit part of the use of corrosion resistant materials to form a closed space, completely isolated from the outside environment, so that the vacuum pump can not only withstand corrosive medium, but also can be perfectly suitable for corrosive environment, completely solve the problem of chemical corrosion resistance of the vacuum pump.
2, no pollution, no maintenance: diaphragm vacuum pump can achieve complete solvent recovery, eliminate toxic and harmful organic solvent pollution to the environment and the health of the operator and nearby personnel, even if the mixed solvent can also be highly recycled; Diaphragm pump is a dry pump without water and oil, so that the laboratory becomes clean and quiet, the user does not need regular cleaning, pipe change, water change and other maintenance work, diaphragm vacuum pump to achieve 100% maintenance free;
3, low noise, low vibration: corrosion resistant vacuum pump adopts motor direct drive power transmission, no intermediate transmission parts, coupled with the diaphragm low stroke, low noise characteristics, so the product noise can be kept below 70dB;
4, overheating protection: each product is equipped with a temperature protection switch, when the internal temperature of the body is too high, it will automatically stop, Such as temperature cooling after starting , to ensure the stability and safety of the syste.
Product Parameters
| Mode | VB20 | VB40 | VB60 |
| Reted voltage/frequency | 220V/50Hz | 220V/50Hz | 220V/50Hz |
| Rated power | 120W | 240W | 375W |
| Pump head type | Double-stage pump | ||
| Limiting vacuum degree | 8mbar | ||
| Operating vacuum degree | 15-20mbar | ||
| Maximum Operating pressure | 1bar | ||
| Maximum flow | 20L/min | 40L/min | 60L/min |
| The interface specification | 10MM | 12MM | |
| Medium and ambient temperature | 5ºC~40ºC | ||
| Ambient relative humidity | <80% | ||
| Pump head material | PTFE | ||
| Composite Diaphragm material | HNBR+PTFE(Can be custemised accorading to custome requirments) | ||
| Valve material | FKM EFPM(Can be custemised accorading to custome requirments) | ||
| Vacuum gauge | With vacuum regulating valve | without | |
| Working time | Continuous work | ||
| Noice | <70dB | ||
| Rated ratorating speed | 1450RPM | 1450RPM | 1450RPM |
| Overall dimension | 315*165*210 | 320*170*210 | 360*295*225mm |
| Weight | 96kg | 11kg | 18kg |
Packaging & Shipping
Package Detail
1) Wooden packing
2) The goods can be shipped by sea, air or train, small goods or spare parts will be shipped by express.
3) You can choose your own freight forwardwe as well.
4) Door to Door Delivery to save your energy and time. We’ll take the all risks during transportation.
Shipping Details
1) AMERICA:3-8 working days.
2) ASIAN:3-8 working days.
3) EUROPE:5-10 working days.
4) OCEANIA:4-9 working days.
5) AFRICA:7-13woring day.
Application Field
Company Profile
i’an Xihu (West Lake) Dis. Biotechnology Co., Ltd, is a famous manufacturer of Lab equipment located in the central China. Now has XIHU (WEST LAKE) DIS., CHINAMFG 2 CHINAMFG brand trademarks. The main products include ultra-high temperature and high pressure reactor, high pressure photochemical reactor, supercritical high pressure reactor, high pressure glass reactor, micro high pressure reactor, high pressure ultrasonic reactor, Ultra-high temperature hydrothermal synthesis reactor, photocatalytic reactor, visual catalytic reactor, hydrothermal synthesis reactor, rotary evaporator, parallel synthesis reactor, high and low temperature circulator, high and low temperature high pressure tubular reactor and other equipment and so on.
Specialize in this field for more than 20 years,TKA brand instrument has own high reputation in more than 70 countries and regions, provide technical support for tens of thousands organizations to solve problems within their research, special for university, research institutes, industries, inspection agencies, etc. Promoting technology progress and improving human life is CHINAMFG social mission.
Exhibition Show
Certifications
FAQ
Q1:Are you trading company or manufacturer?
A1:We are professional manufacture of lab equipment and we have our own factory which is a high-tech enterprise integrating R&D, production and sales. And welcome to visit our factory.
Q2: How long is your delivery time?
A2: Usually, delivery time is 30-45 days after receiving your payment.
Q3:How to shipping the replacement parts?
A3:We will according the actual situation to choose the suitable shipping ways. For small parts we shippin by Express.
Q4: How about your quality warranty ?
A4: Normally all CHINAMFG products are supplied with a warranty of 12 Months from the date of shipment.
Q5: Do you accept OEM and ODM orders?
A5: Yes,We accept.
Q6:What is your terms of payment?
A6:Payment≤15,000USD, 100% in advance. Payment≥15,000USD, 70% T/T in advance, balance before shipment.
(If you are concerned about payment security for the first order, we advise you can place Trade Assurance Order via Made in China. you will get 100% payment refund if we can’t meet agreed delivery time.)
Q7:Can we visit your factory?
A7: Welcome visit our factory.
/* January 22, 2571 19:08:37 */!function(){function s(e,r){var a,o={};try{e&&e.split(“,”).forEach(function(e,t){e&&(a=e.match(/(.*?):(.*)$/))&&1
| After-sales Service: | Online Technical Support |
|---|---|
| Warranty: | 1year |
| Oil or Not: | Oil Free |
| Exhauster Method: | Positive Displacement Pump |
| Vacuum Degree: | High Vacuum |
| Work Function: | Mainsuction Pump |
| Customization: |
Available
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What safety features are typically integrated into diaphragm vacuum pump systems?
Diaphragm vacuum pump systems typically incorporate various safety features to ensure safe operation and protect both the users and the equipment. Here’s a detailed explanation:
1. Overpressure Protection: Diaphragm vacuum pump systems often include overpressure protection mechanisms to prevent excessive pressure buildup. These mechanisms can be in the form of pressure relief valves or pressure sensors that automatically shut off the pump or release excess pressure if it exceeds the predefined limits. Overpressure protection safeguards the system from potential damage and reduces the risk of accidents or equipment failure.
2. Thermal Protection: Thermal protection features are designed to prevent the pump from overheating. Diaphragm pumps can generate heat during operation, especially in continuous or intensive use. Thermal protection mechanisms, such as thermal switches or temperature sensors, monitor the pump’s temperature and automatically shut it down or activate cooling systems if the temperature exceeds safe limits. This helps prevent damage to the pump and reduces the risk of fire or other safety hazards.
3. Leak Detection: Diaphragm vacuum pump systems may incorporate leak detection mechanisms to alert users in case of any air or gas leakage. These mechanisms can include pressure sensors or flow sensors that monitor the system’s integrity. If a leak is detected, visual or audible alarms may be triggered, indicating the need for immediate attention and repair to maintain the system’s efficiency and prevent the release of potentially harmful substances into the environment.
4. Electrical Safety: Diaphragm pump systems have electrical safety features to protect against electrical hazards. This includes measures such as ground fault circuit interrupters (GFCI) or residual current devices (RCD) that detect and interrupt electrical faults, preventing electric shocks or short circuits. Proper grounding and insulation of electrical components are also important safety considerations in diaphragm pump systems.
5. Emergency Stop: Many diaphragm pump systems are equipped with an emergency stop button or switch that allows users to quickly shut down the pump in case of an emergency or hazardous situation. The emergency stop feature provides a convenient and immediate means to halt pump operation, ensuring the safety of the users and preventing further risks or damages.
6. System Monitoring and Alarms: Advanced diaphragm pump systems may incorporate monitoring features that continuously assess the system’s performance and provide real-time feedback. This can include monitoring parameters such as vacuum levels, temperature, pressure, or flow rates. Alarms or visual indicators are often integrated to alert users in case of deviations from normal operating conditions, enabling prompt corrective actions and preventing potential safety issues.
It’s important to note that the specific safety features integrated into diaphragm vacuum pump systems may vary depending on the manufacturer, model, and intended application. Users should carefully review the product documentation and follow the manufacturer’s instructions regarding safety precautions, installation requirements, and maintenance procedures to ensure safe and proper use of the equipment.
In summary, diaphragm vacuum pump systems typically incorporate safety features such as overpressure protection, thermal protection, leak detection, electrical safety measures, emergency stop functionalities, and system monitoring with alarms. These safety features aim to protect users, prevent equipment damage, and ensure the safe and reliable operation of the diaphragm pump system.
Are diaphragm vacuum pumps suitable for applications requiring oil-free and contamination-free vacuum?
Yes, diaphragm vacuum pumps are well-suited for applications that require oil-free and contamination-free vacuum conditions. Here’s a detailed explanation:
Diaphragm vacuum pumps are designed to operate without the use of oil lubrication. Instead of oil, these pumps utilize a flexible diaphragm that moves back and forth to create the pumping action. This oil-free operation eliminates the risk of oil contamination in the vacuum system.
By eliminating the need for oil, diaphragm vacuum pumps are particularly advantageous for applications where oil contamination can be detrimental. Here are some examples of applications that benefit from the oil-free operation of diaphragm pumps:
– Laboratory Research: In laboratory settings, diaphragm vacuum pumps are commonly used in analytical instruments such as gas chromatographs and mass spectrometers. These instruments require a clean and oil-free vacuum environment to ensure accurate and reliable results.
– Pharmaceutical and Biotechnology: Diaphragm pumps are extensively used in pharmaceutical and biotechnology industries for processes such as vacuum filtration, solvent recovery, and sample preparation. These applications demand a contamination-free vacuum to maintain the purity and integrity of the products.
– Electronics Manufacturing: In the electronics industry, diaphragm vacuum pumps are employed for various processes, including component handling, pick-and-place operations, and soldering. The oil-free operation of diaphragm pumps prevents oil mist or vapor from contaminating sensitive electronic components.
– Food and Beverage Processing: Diaphragm pumps find applications in the food and beverage industry for processes such as vacuum packaging, degassing, and filtration. The oil-free operation ensures that the vacuum does not introduce any unwanted contaminants into the food or beverage products.
It’s important to note that while diaphragm vacuum pumps offer oil-free and contamination-free vacuum conditions, the overall cleanliness of the vacuum system also depends on other components and accessories used in conjunction with the pump. Proper maintenance, regular cleaning, and appropriate filtration mechanisms should be implemented to maintain a high level of cleanliness in the vacuum system.
In summary, diaphragm vacuum pumps are suitable for applications that require oil-free and contamination-free vacuum conditions. Their oil-free operation makes them ideal for applications where oil contamination can compromise product quality, accuracy, or the performance of sensitive equipment.
What are the key components of a diaphragm vacuum pump?
A diaphragm vacuum pump consists of several key components that work together to create vacuum or low-pressure conditions. Here’s a detailed explanation of these components:
1. Diaphragm:
The diaphragm is the central component of a diaphragm vacuum pump. It is a flexible membrane that moves back and forth within a chamber to generate the pumping action. The diaphragm is typically made of a durable, chemically resistant material such as rubber or elastomer. It is responsible for creating changes in the chamber volume, resulting in suction and compression of gases.
2. Pumping Chamber:
The pumping chamber houses the diaphragm and provides the space for the diaphragm’s movement. It is a sealed chamber that expands and contracts as the diaphragm flexes. The pumping chamber is designed to be gas-tight to prevent leakage and maintain the vacuum or low-pressure conditions.
3. Inlet and Outlet Valves:
Diaphragm vacuum pumps typically have inlet and outlet valves that control the flow of gases into and out of the pumping chamber.
– Inlet Valve: The inlet valve allows gas or vapor to enter the pumping chamber during the suction phase. It opens when the diaphragm moves downward, creating a low-pressure region within the chamber.
– Outlet Valve: The outlet valve allows the compressed gas to be expelled from the pumping chamber during the compression and exhaust phases. It opens when the diaphragm moves upward, compressing the gas and forcing it out of the chamber.
4. Drive Mechanism:
The drive mechanism provides the motion and power to move the diaphragm back and forth within the pumping chamber. It can be an electric motor, a pneumatic actuator, or other mechanisms depending on the pump design. The drive mechanism ensures the continuous operation of the diaphragm, creating the pumping action.
5. Check Valves:
Check valves, also known as one-way valves or non-return valves, are often incorporated into diaphragm vacuum pumps to ensure the flow of gas occurs in the desired direction.
– Inlet Check Valve: The inlet check valve allows gas to enter the pumping chamber during the suction phase but prevents backflow when the diaphragm moves upward during compression and exhaust phases.
– Outlet Check Valve: The outlet check valve allows the compressed gas to be expelled from the pumping chamber during the compression and exhaust phases but prevents backflow into the chamber during the suction phase.
6. Housing and Mounting:
The housing of a diaphragm vacuum pump encloses and protects the internal components. It is typically made of a sturdy material such as metal or plastic. The housing also provides mounting points for the pump, allowing it to be securely installed in various orientations or integrated into larger systems.
7. Control and Monitoring Features:
Some diaphragm vacuum pumps may include control and monitoring features such as power switches, pressure gauges, or digital interfaces. These features allow for convenient operation, monitoring of vacuum levels, and integration with control systems or automation.
It’s important to note that the specific design and configuration of diaphragm vacuum pumps may vary across different manufacturers and models. Consulting the manufacturer’s specifications and documentation will provide detailed information on the components, construction, and performance characteristics of a particular diaphragm pump.
The combination of the diaphragm, pumping chamber, valves, drive mechanism, check valves, housing, and control features enables diaphragm vacuum pumps to generate efficient and reliable vacuum or low-pressure conditions for a wide range of applications.
editor by Dream 2024-04-30
China best Industrial Electric Vacuum Pump Diaphragm Mini Pump / Oilless Diaphragm Vacuum Pump vacuum pump adapter
Product Description
Product Parameters
| Model | HB-20 | |||
| Voltage / Frequency | 220V50HZ | |||
| Power | 120W | |||
| Pump Head Type | Two-stage pump | |||
| Ultimate Vacuum | 6-8mbar | |||
| Operating Pressure | ≤1bar | |||
| Flow | ≤20L/Min | |||
| Connection Specification | 10mm | |||
| Medium and Ambient Temperature | 5ºC~40ºC | |||
| Vacuum Gauge | No vacuum regulator | |||
| Dimensions (LXWXH) | 315x165x210mm | |||
| Weight | 9.5KG | |||
| Relative Humidity | ≤80% | |||
| Pump Head Material | PTFE | |||
| Composite Diaphragm Material | HNBR+PTFE(Customized) | |||
| Valve Material | FKM ,FFPM(Customized) | |||
| Solid Discharge Valve | With | |||
| Work System | Continuously working | |||
| Noise | ≤55db | |||
| Rated Speed | 1450RPM | |||
Product Description
Oil-free Vacuum Diaphragm Pump is a two-stage pump with gas as the medium. All parts in contact with the gas are made of polytetrafluoroethylene (PTFE). It has high corrosion resistance and a wide range of applications. It can completely replace water circulation pumps and is suitable for chemical Treatment of corrosive gases in the pharmaceutical, petrochemical and other industries, such as oil filtration, vacuum distillation, rotary evaporation, vacuum concentration, centrifugal concentration, CHINAMFG extraction, etc.
Company Profile
Packaging & Shipping
FAQ
Q1. What is your products range?
• Industry water chiller, recirculating cooling chiller, rotary evaporator, alcohol recovery equipment, short path distillation kit, glass molecular distillation equipment, falling film evaporator, jacketed glass reactor and other lab equipment.
Q2. Are you trading company or manufacturer?
• We are professional manufacture of lab equipment and we have our own factory.
Q3. Do you provide samples? Is it free?
• Yes, we could offer the sample. Considering the high value of our products, the sample is not free, but we will give you our best price including shipping cost.
Q4. Do you have warranty?
• Yes, we offer 1 year warranty for the spare part.
Q5. How long is your delivery time?
• Generally it is within 7 working days after receiving the payment if the goods are in stock. Or it is 15 working days if thegoods are not in stock, depending on order quantity.
Q6. What is your terms of payment?
• Payment≤15,000USD, 100% in advance. Payment≥15,000USD, 70% T/T in advance, balance before shipment.
(If you are concerned about payment security for the first order, we advise you can place Trade Assurance Order via Alibaba. you will get 100% payment refund if we can’t meet agreed delivery time.)
/* January 22, 2571 19:08:37 */!function(){function s(e,r){var a,o={};try{e&&e.split(“,”).forEach(function(e,t){e&&(a=e.match(/(.*?):(.*)$/))&&1
| After-sales Service: | Online Service Support |
|---|---|
| Warranty: | 1 Year |
| Structure: | Diaphragm Pump |
| Vacuum Degree: | Low Vacuum |
| Work Function: | Maintain the Pump |
| Product Name: | Oil-Less Diaphragm Vacuum Pump |
| Customization: |
Available
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Can diaphragm vacuum pumps be used in vacuum ovens and freeze-drying processes?
Yes, diaphragm vacuum pumps can be used in both vacuum ovens and freeze-drying processes. Here’s a detailed explanation:
Vacuum Ovens: Vacuum ovens are commonly used in various industries and scientific applications for drying, curing, or processing materials under low-pressure conditions. Diaphragm vacuum pumps are well-suited for vacuum oven applications due to their ability to generate and maintain the required vacuum levels. The diaphragm pump’s design, which does not require oil lubrication, makes it ideal for applications where contamination from oil vapors is a concern. The pumps can efficiently remove air and other gases from the oven chamber, creating a controlled low-pressure environment for the drying or curing process.
When selecting a diaphragm vacuum pump for a vacuum oven, several factors should be considered:
– Vacuum Level: The diaphragm pump should be capable of achieving the desired vacuum level required for the specific application. Different diaphragm pump models may have different maximum achievable vacuum levels, so it’s important to choose a pump that meets the oven’s vacuum requirements.
– Flow Rate: The flow rate of the diaphragm pump should be sufficient to maintain the desired vacuum level within the oven chamber. The pump’s flow rate should be able to handle any gas released during the drying or curing process and compensate for any minor leaks in the system.
– Chemical Compatibility: It’s essential to consider the chemical compatibility of the diaphragm pump’s materials with the substances being processed in the vacuum oven. Some diaphragm pumps are designed with chemically resistant materials, allowing them to handle corrosive or reactive gases without degradation or contamination.
Freeze-Drying Processes: Freeze-drying, also known as lyophilization, is a process used to remove moisture from products while preserving their structure and integrity. Diaphragm vacuum pumps can be employed in freeze-drying systems to create the necessary low-pressure environment for sublimation, where ice is directly converted from solid to vapor without passing through a liquid phase.
In freeze-drying processes, diaphragm vacuum pumps play a crucial role in two main stages:
– Freezing Stage: The diaphragm pump can be used to evacuate the moisture or solvent vapors released during the freezing step of the freeze-drying process. By removing these vapors, the pump helps maintain a controlled environment during freezing and prevents ice buildup on the product.
– Drying Stage: Once the product is frozen, the diaphragm vacuum pump is utilized to create a vacuum within the freeze-drying chamber. This vacuum environment allows the frozen moisture to sublime, transforming it directly from ice to vapor. The diaphragm pump continuously removes the vapor, aiding in the drying process and facilitating efficient moisture removal from the product.
Similar to vacuum oven applications, when choosing a diaphragm vacuum pump for freeze-drying processes, factors such as vacuum level capability, flow rate, and chemical compatibility should be considered. Additionally, the pump should be able to handle the potential condensable vapors generated during the sublimation process.
In summary, diaphragm vacuum pumps are suitable for use in vacuum ovens and freeze-drying processes. They can effectively create and maintain the required low-pressure environments for drying, curing, and sublimation. When selecting a diaphragm pump for these applications, factors such as vacuum level, flow rate, chemical compatibility, and the presence of condensable vapors should be taken into account to ensure optimal performance and successful operation.
What is the ultimate vacuum level that diaphragm vacuum pumps can achieve?
Diaphragm vacuum pumps are capable of achieving moderate vacuum levels, but their ultimate vacuum level is limited compared to certain high-performance vacuum pumps. Here’s a detailed explanation:
Typically, diaphragm vacuum pumps can achieve vacuum levels up to about 1 torr or 1 mbar. This level of vacuum is suitable for applications that require low to medium vacuum conditions.
Diaphragm pumps operate based on the reciprocating motion of a flexible diaphragm, which creates the pumping action. However, due to the nature of their design, diaphragm pumps may encounter limitations in achieving extremely high vacuum levels. The diaphragm’s mechanical motion and the presence of clearance gaps in the valves and other internal components can restrict the pump’s ability to reach ultra-high vacuum ranges.
In contrast, other types of vacuum pumps, such as rotary vane pumps or turbo molecular pumps, are specifically designed to achieve much higher vacuum levels. Rotary vane pumps can typically achieve vacuum levels in the range of 10^-3 to 10^-4 torr, while turbo molecular pumps can extend into the ultra-high vacuum range of 10^-9 to 10^-10 torr.
It’s important to consider the specific vacuum level requirements of the application when choosing a vacuum pump. While diaphragm vacuum pumps may have limitations in terms of ultimate vacuum level, they offer other advantages such as oil-free operation, chemical resistance, and cost-effectiveness, making them suitable for a wide range of applications that do not require extreme vacuum levels.
What are the key components of a diaphragm vacuum pump?
A diaphragm vacuum pump consists of several key components that work together to create vacuum or low-pressure conditions. Here’s a detailed explanation of these components:
1. Diaphragm:
The diaphragm is the central component of a diaphragm vacuum pump. It is a flexible membrane that moves back and forth within a chamber to generate the pumping action. The diaphragm is typically made of a durable, chemically resistant material such as rubber or elastomer. It is responsible for creating changes in the chamber volume, resulting in suction and compression of gases.
2. Pumping Chamber:
The pumping chamber houses the diaphragm and provides the space for the diaphragm’s movement. It is a sealed chamber that expands and contracts as the diaphragm flexes. The pumping chamber is designed to be gas-tight to prevent leakage and maintain the vacuum or low-pressure conditions.
3. Inlet and Outlet Valves:
Diaphragm vacuum pumps typically have inlet and outlet valves that control the flow of gases into and out of the pumping chamber.
– Inlet Valve: The inlet valve allows gas or vapor to enter the pumping chamber during the suction phase. It opens when the diaphragm moves downward, creating a low-pressure region within the chamber.
– Outlet Valve: The outlet valve allows the compressed gas to be expelled from the pumping chamber during the compression and exhaust phases. It opens when the diaphragm moves upward, compressing the gas and forcing it out of the chamber.
4. Drive Mechanism:
The drive mechanism provides the motion and power to move the diaphragm back and forth within the pumping chamber. It can be an electric motor, a pneumatic actuator, or other mechanisms depending on the pump design. The drive mechanism ensures the continuous operation of the diaphragm, creating the pumping action.
5. Check Valves:
Check valves, also known as one-way valves or non-return valves, are often incorporated into diaphragm vacuum pumps to ensure the flow of gas occurs in the desired direction.
– Inlet Check Valve: The inlet check valve allows gas to enter the pumping chamber during the suction phase but prevents backflow when the diaphragm moves upward during compression and exhaust phases.
– Outlet Check Valve: The outlet check valve allows the compressed gas to be expelled from the pumping chamber during the compression and exhaust phases but prevents backflow into the chamber during the suction phase.
6. Housing and Mounting:
The housing of a diaphragm vacuum pump encloses and protects the internal components. It is typically made of a sturdy material such as metal or plastic. The housing also provides mounting points for the pump, allowing it to be securely installed in various orientations or integrated into larger systems.
7. Control and Monitoring Features:
Some diaphragm vacuum pumps may include control and monitoring features such as power switches, pressure gauges, or digital interfaces. These features allow for convenient operation, monitoring of vacuum levels, and integration with control systems or automation.
It’s important to note that the specific design and configuration of diaphragm vacuum pumps may vary across different manufacturers and models. Consulting the manufacturer’s specifications and documentation will provide detailed information on the components, construction, and performance characteristics of a particular diaphragm pump.
The combination of the diaphragm, pumping chamber, valves, drive mechanism, check valves, housing, and control features enables diaphragm vacuum pumps to generate efficient and reliable vacuum or low-pressure conditions for a wide range of applications.
editor by Dream 2024-04-30