Vacuum Pump Roots Vacuum Used in Vacuum Furnance

Vacuum Pump Roots Vacuum Used in Vacuum Furnance


   Model Suction capacity         (L/S)

Limit vacuum




Motor Electricity


Inlet Dia.


Outlet Dia.




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

JZB Roots vacuum pump

one. CZPT functions and doing work theory of the pump:
Product ZJ Mechanical Booster Pump, also recognized as a Roots pump, is a volumetric pump.
It employs a pair of rotors, identical and in eight-figure with specific clearance between them
in the pump housing, rotating at the very same velocity in opposite directions to perform
operate of suction and discharge of gasoline. The two rotors are supported by rolling bearings
in the conclude covers of the pump, rotating at high velocity and are retained at a
fastened relative place by a pair of timing gears. The conclude clearance between rotors and
stop handles are fastened by adjustable steel shims amongst the bearing housings and the
stop go over at the mounted conclude, which ensures a single-direction expansion of the rotor when
temperature rises for the duration of its procedure.
Four sets of interior seals (also identified as piston ring) in the two conclude covers avert lube oil
coming into into the pump housing. The shaft seal at the front-end cover, also referred to as as
framework oil seal or shaft seal, helps prevent leakage of air into the pump housing.
In get to decrease temperature of the pump, all versions of pumps (anticipate the two
smallest models) are outfitted with a gearbox cooler and front-stop include cooler.
Electrical power 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 Application

 Merchandise Show

Firm Energy



1.Q:Are you a producer or trading company?

   A: We are a expert vacuum pump producer with in excess of 32 yr encounter. We have two factories now which protect a lot more than 33333 square meters,we have abundant expertise in strong liquid market , Welcome to check out our factory at your time.
2.Q:Do you have least buy quantity request?

   A: for CZPT we have no MOQ,but for complete set products of program 1 established is the minimum.

3.Q:Do you have certificates?

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

5.Q:How to pay out?

      A:T/T and Alibaba Payment is appropriate.

6.Q:How to pack the goods?

   A: We use normal export bundle. If you have specific package specifications, we will pack as you required, but the costs will be compensated by clients.

7.Q: What about your shipping time?
   A: It relies upon on your pump quantity. CZPTly fifteen times after we obtain the prepayment. We will confirm you once again when we begin to produce.

eight.Q:How to install soon after the equipment arriving location?

   A: We will despatched the running instruction with merchandise to you.You should strictly comply with the instructions for installation
nine.Q: How prolonged does your product quality warranty previous?
   A: twelve months for all our merchandise in opposition to any non-artificial high quality difficulty since the solution depart our factory.

ten.Q: What will you do with high quality criticism?

     A: We have a total set of microcomputer controlled tests program(All merchandise are subject to tested prior to shipping. No merchandise that unsuccessful overall performance examination leaves our manufacturing unit.

Vacuum Pump Roots Vacuum Used in Vacuum Furnance