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China high quality Rubber Lobe Pumps Sanitary Stainless Steel Lobe Rotor Pump Ice Cream Machine Vacuum Pump for Mayonnaise Rotary Lobe Pump vacuum pump oil

Product Description


Product Description

NYP high viscosity rotor pump is a delivery pump for high viscosity media. It is suitable for the transportation industry of various fluids, especially for fluid transportation that handles large changes in viscosity and a wide range. It can be used for transportation in petroleum, chemical industry, paint, grease, medicine, dye and food industries. There are 2 types of materials: ordinary cast iron and stainless steel. The pump head, pump casing and sealing cavity can all be equipped with insulation jackets. Select the location where insulation is required based on actual needs. The jacket and the pump body are cast into 1 body, which has good thermal insulation effect and can avoid various problems caused by welding the jacket. When heating is required, various heating media such as hot steam and thermal oil can be passed into the jacket cavity for heat preservation. When cooling is required: the constant temperature of the pump body can be maintained through various coolants. Adjustable clearance: The pump can adjust the gear clearance according to the viscosity needs without disassembling the pump to meet the process requirements of the pump under different viscosities. The operation is simple and does not require disassembly of pump parts. The outer rotor drives the inner rotor to rotate in the same direction, resulting in less wear and long service life.

Product Parameters

Product Name High Viscosity Sanitary Rotor Lobe Pump Sugar Syrup Fluid Transfer Pumps Positive Displacement Rotor Gear Pump
Description Designed according to 3A standard, widely used for transfer viscous media in the food-processing, cosmetics and industries.
Construction Horizontal Ace series, diffirent rotor shapes(single rotro,tri-lobe rotors and butterfly type rotors)
Material SS304/SS316
Seal Material EPDM (Standard, approval)
Temperature type -10 to 180ºC
Max. Flow: 43cSt

Advantages of NYP type high viscosity internal rotor pump :

(1) Smooth liquid conveying, no pulsation, low vibration, and low noise.

(2) Has strong self suction performance.

(3) Proper selection of component materials can transport various corrosive media

Structural Feature
1 The high viscosity pump mainly consists of inner and outer rotors, shafts, pump bodies, pump covers, brackets, seals, bearings, etc.
2. The liquid is transported smoothly, without pulsation, small vibration and low noise.
3. The rotation speed of the high viscosity pump has a linear functional relationship with the flow rate. The rotation speed can be appropriately changed to change the flow rate of the pump. High viscosity pumps are particularly suitable for transporting high viscosity media. The high viscosity pump shaft end adopts mechanical seal.
4. Prevent leakage to the greatest extent.
5.Suitable for outdoor installation, the fully enclosed magnetic coupling cavity can protect the outer magnet from contact with moisture or external substances. There are more than
6. standard sliding bearing materials to choose from: cast iron, copper, graphite, tungsten carbide.
7.The standard magnet material is NdFeB alloy. Optional samarium cobalt permanent magnets allow operating temperatures up to 250 degrees Celsius.
8. can be transported in both directions.
9.External heating jacket for front cover and magnetic coupling shield are standard optional parts.
10.True back pull design.
11 standard flange connection, only light pump head can be provided.
12. Has inner jacket protection.
13. There is a cooling circulation system inside the pump body, so no external cooling is required.
14. Dynamic axial balancing system minimizes axial load, reduces power consumption and extends service life. 15. The fully enclosed magnetic coupling cavity increases safety.


Product Show

Application field:

Daily chemical products: sulfonic acid, glycerol, sorbitol, sulfate, facial cleanser, facial cleanser, shampoo, dishwashing detergent, hand sanitizer, shower gel, cosmetics, skincare cream, toothpaste, soap, laundry detergent slurry, etc.

Fine chemical industry: dyes, pigments, various intermediates, various slurries, chemical additives, printing and dyeing additives, leather additives, silicone, silicone grease, silicone oil, adhesive, leather shoe oil, suspension, white latex, various colloids, etc

Petrochemical industry: heavy oil, crude oil, sludge, asphalt, grease, lubricating oil, various catalysts, polyols, isocyanates, various high viscosity materials, and slurries with high CHINAMFG content.

Food: chocolate, condensed milk, yogurt, honey, jam, ice cream, concentrated fruit juice, edible oil, milk, syrup, meat syrup, jelly, pectin, seasoning, sucrose, alcohol, sesame sauce, chestnut sauce, soy protein, tomato juice, enzyme preparations, corn syrup, etc.

Coatings: Various paints, coatings, inks, insulating paints, resins, additives, organic solvents, etc.

Medicine: various ointments, extracts, lotion, pill pastes, syrups, health products, medicaments, etc.

Environmental protection: sewage, sludge, chemicals, suspensions, manure, fertilizer solutions, etc.

Chemical fiber: viscose Congee, amine fiber size, vinylon size, acrylic fiber size, polyester, polypropylene, man-made fiber, functional fiber, etc.


Company Profile


Q1: Are you a factory or a trading company?
A: We are manufacturer.
Q2: What are your payment terms?
A: 30% T/T in advance, balance should be paid after receiving BL copy or LC at sight.
Q3: Can you do OEM?
A: Yes,we can. Any OEM are welcome!
Q4: How about the MOQ?
 A: Usually, it is 50-100 PCS for each modelBut sample order is highly welcome.
Q5:How about the delivery time?
A: 15-30 days after receiving customersdeposit.
Q6: How long is your warranty?
A: 1 year.
Q7:What can we do in one-year warranty?
A: 1.Providing Spare parts; 2.Engineer is available to service

For more details.pls send us your details need. 
we will feedback ASAP.

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After-sales Service: Online After-Sales Service
Warranty: Online After-Sales Service
Mesh Form: Internal Engaged
Tooth Flank: Herringbone Tooth
Tooth Curve: Involute
Power: Electric
US$ 659/Piece
1 Piece(Min.Order)




vacuum pump

How Do You Maintain and Troubleshoot Vacuum Pumps?

Maintaining and troubleshooting vacuum pumps is essential to ensure their optimal performance and longevity. Here’s a detailed explanation:

Maintenance of Vacuum Pumps:

1. Regular Inspection: Perform regular visual inspections of the pump to check for any signs of damage, leaks, or abnormal wear. Inspect the motor, belts, couplings, and other components for proper alignment and condition.

2. Lubrication: Follow the manufacturer’s guidelines for lubrication. Some vacuum pumps require regular oil changes or lubrication of moving parts. Ensure that the correct type and amount of lubricant are used.

3. Oil Level Check: Monitor the oil level in oil-sealed pumps and maintain it within the recommended range. Add or replace oil as necessary, following the manufacturer’s instructions.

4. Filter Maintenance: Clean or replace filters regularly to prevent clogging and ensure proper airflow. Clogged filters can impair pump performance and increase energy consumption.

5. Cooling System: If the vacuum pump has a cooling system, inspect it regularly for cleanliness and proper functioning. Clean or replace cooling components as needed to prevent overheating.

6. Seals and Gaskets: Check the seals and gaskets for signs of wear or leakage. Replace any damaged or worn seals promptly to maintain airtightness.

7. Valve Maintenance: If the vacuum pump includes valves, inspect and clean them regularly to ensure proper operation and prevent blockages.

8. Vibration and Noise: Monitor the pump for excessive vibration or unusual noise, which may indicate misalignment, worn bearings, or other mechanical issues. Address these issues promptly to prevent further damage.

Troubleshooting Vacuum Pump Problems:

1. Insufficient Vacuum Level: If the pump is not achieving the desired vacuum level, check for leaks in the system, improper sealing, or worn-out seals. Inspect valves, connections, and seals for leaks and repair or replace as needed.

2. Poor Performance: If the pump is not providing adequate performance, check for clogged filters, insufficient lubrication, or worn-out components. Clean or replace filters, ensure proper lubrication, and replace worn parts as necessary.

3. Overheating: If the pump is overheating, check the cooling system for blockages or insufficient airflow. Clean or replace cooling components and ensure proper ventilation around the pump.

4. Excessive Noise or Vibration: Excessive noise or vibration may indicate misalignment, worn bearings, or other mechanical issues. Inspect and repair or replace damaged or worn parts. Ensure proper alignment and balance of rotating components.

5. Motor Issues: If the pump motor fails to start or operates erratically, check the power supply, electrical connections, and motor components. Test the motor using appropriate electrical testing equipment and consult an electrician or motor specialist if necessary.

6. Excessive Oil Consumption: If the pump is consuming oil at a high rate, check for leaks or other issues that may be causing oil loss. Inspect seals, gaskets, and connections for leaks and repair as needed.

7. Abnormal Odors: Unusual odors, such as a burning smell, may indicate overheating or other mechanical problems. Address the issue promptly and consult a technician if necessary.

8. Manufacturer Guidelines: Always refer to the manufacturer’s guidelines and recommendations for maintenance and troubleshooting specific to your vacuum pump model. Follow the prescribed maintenance schedule and seek professional assistance when needed.

By following proper maintenance procedures and promptly addressing any troubleshooting issues, you can ensure the reliable operation and longevity of your vacuum pump.

vacuum pump

How Do Vacuum Pumps Assist in Freeze-Drying Processes?

Freeze-drying, also known as lyophilization, is a dehydration technique used in various industries, including pharmaceutical manufacturing. Vacuum pumps play a crucial role in facilitating freeze-drying processes. Here’s a detailed explanation:

During freeze-drying, vacuum pumps assist in the removal of water or solvents from pharmaceutical products while preserving their structure and integrity. The freeze-drying process involves three main stages: freezing, primary drying (sublimation), and secondary drying (desorption).

1. Freezing: In the first stage, the pharmaceutical product is frozen to a solid state. Freezing is typically achieved by lowering the temperature of the product below its freezing point. The frozen product is then placed in a vacuum chamber.

2. Primary Drying (Sublimation): Once the product is frozen, the vacuum pump creates a low-pressure environment within the chamber. By reducing the pressure, the boiling point of water or solvents present in the frozen product is lowered, allowing them to transition directly from the solid phase to the vapor phase through a process called sublimation. Sublimation bypasses the liquid phase, preventing potential damage to the product’s structure.

The vacuum pump maintains a low-pressure environment by continuously removing the water vapor or solvent vapor generated during sublimation. The vapor is drawn out of the chamber, leaving behind the freeze-dried product. This process preserves the product’s original form, texture, and biological activity.

3. Secondary Drying (Desorption): After the majority of the water or solvents have been removed through sublimation, the freeze-dried product may still contain residual moisture or solvents. In the secondary drying stage, the vacuum pump continues to apply vacuum to the chamber, but at a higher temperature. The purpose of this stage is to remove the remaining moisture or solvents through evaporation.

The vacuum pump maintains the low-pressure environment, allowing the residual moisture or solvents to evaporate at a lower temperature than under atmospheric pressure. This prevents potential thermal degradation of the product. Secondary drying further enhances the stability and shelf life of the freeze-dried pharmaceutical product.

By creating and maintaining a low-pressure environment, vacuum pumps enable efficient and controlled sublimation and desorption during the freeze-drying process. They facilitate the removal of water or solvents while minimizing the potential damage to the product’s structure and preserving its quality. Vacuum pumps also contribute to the overall speed and efficiency of the freeze-drying process by continuously removing the vapor generated during sublimation and evaporation. The precise control provided by vacuum pumps ensures the production of stable and high-quality freeze-dried pharmaceutical products.

vacuum pump

Can Vacuum Pumps Be Used in Food Processing?

Yes, vacuum pumps are widely used in food processing for various applications. Here’s a detailed explanation:

Vacuum pumps play a crucial role in the food processing industry by enabling the creation and maintenance of vacuum or low-pressure environments. They offer several benefits in terms of food preservation, packaging, and processing. Here are some common applications of vacuum pumps in food processing:

1. Vacuum Packaging: Vacuum pumps are extensively used in vacuum packaging processes. Vacuum packaging involves removing air from the packaging container to create a vacuum-sealed environment. This process helps extend the shelf life of food products by inhibiting the growth of spoilage-causing microorganisms and reducing oxidation. Vacuum pumps are used to evacuate the air from the packaging, ensuring a tight seal and maintaining the quality and freshness of the food.

2. Freeze Drying: Vacuum pumps are essential in freeze drying or lyophilization processes used in food processing. Freeze drying involves removing moisture from food products while they are frozen, preserving their texture, flavor, and nutritional content. Vacuum pumps create a low-pressure environment that allows frozen water to directly sublimate from solid to vapor, resulting in the removal of moisture from the food without causing damage or loss of quality.

3. Vacuum Cooling: Vacuum pumps are utilized in vacuum cooling processes for rapid and efficient cooling of food products. Vacuum cooling involves placing the food in a vacuum chamber and reducing the pressure. This lowers the boiling point of water, facilitating the rapid evaporation of moisture and heat from the food, thereby cooling it quickly. Vacuum cooling helps maintain the freshness, texture, and quality of delicate food items such as fruits, vegetables, and bakery products.

4. Vacuum Concentration: Vacuum pumps are employed in vacuum concentration processes in the food industry. Vacuum concentration involves removing excess moisture from liquid food products to increase their solids content. By creating a vacuum, the boiling point of the liquid is reduced, allowing for gentle evaporation of water while preserving the desired flavors, nutrients, and viscosity of the product. Vacuum concentration is commonly used in the production of juices, sauces, and concentrates.

5. Vacuum Mixing and Deaeration: Vacuum pumps are used in mixing and deaeration processes in food processing. In the production of certain food products such as chocolates, confectioneries, and sauces, vacuum mixing is employed to remove air bubbles, achieve homogeneity, and improve product texture. Vacuum pumps aid in the removal of entrapped air and gases, resulting in smooth and uniform food products.

6. Vacuum Filtration: Vacuum pumps are utilized in food processing for vacuum filtration applications. Vacuum filtration involves separating solids from liquids or gases using a filter medium. Vacuum pumps create suction that draws the liquid or gas through the filter, leaving behind the solid particles. Vacuum filtration is commonly used in processes such as clarifying liquids, removing impurities, and separating solids from liquids in the production of beverages, oils, and dairy products.

7. Marinating and Brining: Vacuum pumps are employed in marinating and brining processes in the food industry. By applying a vacuum to the marinating or brining container, the pressure is reduced, allowing the marinade or brine to penetrate the food more efficiently. Vacuum marinating and brining help enhance flavor absorption, reduce marinating time, and improve the overall taste and texture of the food.

8. Controlled Atmosphere Packaging: Vacuum pumps are used in controlled atmosphere packaging (CAP) systems in the food industry. CAP involves modifying the gas composition within food packaging to extend the shelf life and maintain the quality of perishable products. Vacuum pumps aid in the removal of oxygen or other unwanted gases from the package, allowing the introduction of a desired gas mixture that preserves the food’s freshness and inhibits microbial growth.

These are just a few examples of how vacuum pumps are used in food processing. The ability to create and control vacuum or low-pressure environments is a valuable asset in preserving food quality, enhancing shelf life, and facilitating various processing techniques in the food industry.

China high quality Rubber Lobe Pumps Sanitary Stainless Steel Lobe Rotor Pump Ice Cream Machine Vacuum Pump for Mayonnaise Rotary Lobe Pump   vacuum pump oil	China high quality Rubber Lobe Pumps Sanitary Stainless Steel Lobe Rotor Pump Ice Cream Machine Vacuum Pump for Mayonnaise Rotary Lobe Pump   vacuum pump oil
editor by CX 2024-03-27