Roots Vacuum Pump Used for Vacuum Heat Treatment

Roots Vacuum Pump Used for Vacuum Heat Treatment


   Model Suction capability         (L/S)

Limit vacuum




Motor Electrical power


Inlet Dia.


Outlet Dia.


  Excess weight


Suggested backing pump       product
   ZJ-70          70      6×10-two   2780         1.five     80       50     87  2X-8
  ZJB-70      5×10-2     one hundred
  ZJ-150A          150      6×10-2   2900          3     100      100     198     2X-15
  ZJB-a hundred and fifty      5×10-2     215
  ZJ-300          300      6×10-two   1450          4     150      150     490      2X-30A
  ZJB-three hundred      5×10-2     480
  ZJ-600          600      6×10-two   2900         five.five     one hundred fifty      150     490       2X-70A
  ZJB-600      5×10-two     503
  ZJ-1200A         1200      6×10-2   1450          11     three hundred      300    1550       2X-70A           (2sets)
  ZJB-1200      5×10-two     250      250    1580

JZB Roots vacuum pump

one. CZPT attributes and working principle of the pump:
Product ZJ Mechanical Booster Pump, also known as a Roots pump, is a volumetric pump.
It employs a pair of rotors, equivalent and in 8-figure with specified clearance among them
in the pump housing, rotating at the identical speed in opposite directions to execute
function of suction and discharge of gasoline. The two rotors are supported by rolling bearings
in the stop addresses of the pump, rotating at large velocity and are held at a
set relative placement by a pair of timing gears. The finish clearance among rotors and
conclude handles are mounted by adjustable metallic shims among the bearing housings and the
end include at the fastened conclude, which guarantees 1-route expansion of the rotor when
temperature rises in the course of its procedure.
4 sets of interior seals (also recognized as piston ring) in the two stop covers avert lube oil
getting into into the pump housing. The shaft seal at the entrance-finish include, also referred to as as
framework oil seal or shaft seal, stops leakage of air into the pump housing.
In get to reduce temperature of the pump, all types of pumps (assume the two
smallest types) are outfitted with a gearbox cooler and entrance-end cover cooler.
Electricity is transmitted by means of a coupling or V-belt from the motor to the driving shaft of
the pump and then through synchronizing gears to the driven shaft

Product’s Software

 Item Show

Company Power



one.Q:Are you a maker or buying and selling organization?

   A: We are a professional vacuum pump manufacturer with over 32 calendar year expertise. We have two factories now which include far more than 33333 sq. meters,we have rich experience in sound liquid sector , Welcome to check out our manufacturing facility at your time.
2.Q:Do you have minimal buy amount ask for?

   A: for CZPT we have no MOQ,but for entire set equipment of training course 1 set is the least.

3.Q:Do you have certificates?

    A: Of course, we have CE, ISO,SGS.and so on. certificates.

five.Q:How to pay?

      A:T/T and Alibaba Payment is suitable.

6.Q:How to pack the items?

   A: We use standard export deal. If you have special deal demands, we will pack as you needed, but the expenses will be paid out by buyers.

seven.Q: What about your supply time?
   A: It is dependent on your pump quantity. CZPTly 15 times soon after we get the prepayment. We will validate you yet again when we start to generate.

eight.Q:How to set up right after the gear arriving vacation spot?

   A: We will despatched the working instruction with merchandise to you.You should strictly stick to the recommendations for set up
nine.Q: How extended does your item high quality warranty very last?
   A: 12 months for all our goods against any non-artificial good quality problem given that the solution depart our manufacturing unit.

10.Q: What will you do with top quality grievance?

     A: We have a complete set of microcomputer controlled screening method(All merchandise are subject matter to tested ahead of delivery. No item that failed functionality check leaves our factory.

Roots Vacuum Pump Used for Vacuum Heat Treatment