Yhzkb Brand Zj-1200 Roots Vacuum Pump for Polyester Fibre

Yhzkb Brand Zj-1200 Roots Vacuum Pump for Polyester Fibre

Pump description:

Model ZJ CZPT Booster Pump, also identified as a Roots pump, is a volumetric pump.It employs a pair of rotors, similar and in 8-figure with certain clearance in between them in the pump housing, rotating at the same speed in reverse directions to carry out perform of suction and discharge of gasoline. The two rotors are supported by rolling bearings in the end handles of the pump, rotating at large pace and are kept at a fixed relative place by a pair of timing gears. The stop clearance between rotors and conclude covers are set by adjustable steel shims between the bearing housings and the stop include at the fixed finish, which assures 1-direction growth of the rotor when temperature rises during its operation.

4 sets of interior seals (also identified as piston ring) in the two finish handles stop lube oil entering into the pump housing. The shaft seal at the entrance-conclude cover, also called as framework oil seal or shaft seal, stops leakage of air into the pump housing.

In order to lessen temperature of the pump, all designs of pumps (count on the two smallest types) are outfitted with a gearbox cooler and front-end go over cooler.

Power is transmitted by way of a coupling or V-belt from the motor to the driving shaft of the pump and then by way of synchronizing gears to the driven shaft



   Model Suction potential         (L/S)

Restrict vacuum




Motor Energy


Inlet Dia.


Outlet Dia.




Recommended backing pump(product)
   ZJ-70          70      6×10-two   2780         one.five     eighty      50      87       2X-8
  ZJB-70      5×10-two      100
  ZJ-150A          150      6×10-two   2900          3     a hundred      100      198       2X-fifteen
  ZJB-150      5×10-2      215
  ZJ-three hundred          300      6×10-2   1450          4     150       a hundred and fifty      490       2X-30A
  ZJB-300      5×10-2      480
  ZJ-600          600      6×10-2   2900         5.5     one hundred fifty       one hundred fifty      490       2X-70A
  ZJB-600      5×10-two      503
  ZJ-1200A         1200      6×10-two    1450          11      300       three hundred     1550       2X-70A            (2sets)
  ZJB-1200      5×10-2      250       250     1580

The main  advantage  of Roots  vacuum pump  is that  it can  operate  with high  pumping speed under  reduced suction  pressures, even so,  has to  be backed by  a backing  pump.Under  typical doing work situations, it is  permissible to not add  by-pass pipes.Roots vacuum pump should not function with a increased-pressure  distinction than allowable,otherwise  overheating   and   overload  will   cause  damage   of  Roots   vacuum  pump.
As a result, appropriate backing pump and needed safety products need to be regarded as.Oil sealed mechanical  pump is usually  selected as   the fore   vacuum   pump.  Other   types   of backing   pumps   may   be   used   where    their requirement for supreme vacuum is not too  stringent. Particularly, when gas  pumped containing large amount of  vapor, water-ring vacuum pump  maybe   an  ideal   option  though   ultimate  vacuum achieved is on the reduced aspect.

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Yhzkb Brand Zj-1200 Roots Vacuum Pump for Polyester Fibre