Shanghai Yulong 7.5kw Roots Vacuum Pump

Shanghai Yulong 7.5kw Roots Vacuum Pump

Pump description:  

Product ZJ CZPT Booster Pump, also acknowledged as a Roots pump, is a volumetric pump.It employs a pair of rotors, equivalent and in eight-figure with particular clearance among them in the pump housing, rotating at the same speed in opposite instructions to complete perform of suction and discharge of gasoline. The two rotors are supported by rolling bearings in the end covers of the pump, rotating at large pace and are stored at a set relative position by a pair of timing gears. The conclude clearance among rotors and conclude covers are fixed by adjustable metallic shims between the bearing housings and the stop cover at the fastened finish, which ensures one-course enlargement of the rotor when temperature rises in the course of its procedure.

4 sets of interior seals (also acknowledged as piston ring) in the two end covers avoid lube oil entering into the pump housing. The shaft seal at the entrance-end protect, also called as framework oil seal or shaft seal, prevents leakage of air into the pump housing.

In get to decrease temperature of the pump, all designs of pumps (assume the two smallest versions) are outfitted with a gearbox cooler and entrance-end cover 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 means of synchronizing gears to the driven shaft


   Model Suction capacity         (L/S)

Restrict vacuum




Motor Electrical power


Inlet Dia.


Outlet Dia.




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

The main  advantage  of Roots  vacuum pump  is that  it can  operate  with high  pumping speed under  reduced suction  pressures, nonetheless,  has to  be backed by  a backing  pump.Under  standard working circumstances, it is  permissible to not add  by-go pipes.Roots vacuum pump should not function with a increased-pressure  big difference than allowable,otherwise  overheating   and overload  will   cause  damage   of  Roots   vacuum  pump.
For that reason, appropriate backing pump and necessary defense units have to be regarded.Oil sealed mechanical  pump is normally chosen as   the fore   vacuum   pump.  Other   types   of backing   pumps   may   be   used   where    their requirement for greatest vacuum is not too  rigid. Particularly, when gas  pumped that contains large amount of  vapor, drinking water-ring vacuum pump  maybe   an  ideal   option  though   ultimate  vacuum achieved is on the minimal aspect.

Merchandise exhibit:


  1. Standard export polywooden cases.

  2. CZPT packaging can be accessible.


CZPT strategy Notice
Express Door to doorway, extremely handy, do not need customs clearance or choose-up.
By air Airport to airport, you want to do the customs clearance and decide up the merchandise at your nearby airport.
By sea Port to port and you require to do the customs clearance and decide-up the items at your regional port.

Our providers:

Pre-Product sales Service

  1. Provide 24-hour reply.

  2. Supply suited designs in accordance to clients’ needs.

  3. Supply in depth merchandise technical specs and reasonal prices. 

In-Revenue Provider

  1. Supervise whole manufacturing time. 

  2. Offer product’s screening efficiency curve to customers.

  3. Provide inspection images to customers after we finish production.

After-Product sales Services

  1. Supply installation guide.

  2. Underneath correct installation, standard upkeep and making use of,we assure one particular-yr guarantee.

  3. If product has malfunction,we are going to reply you within 24 hour and provide answer or even send out specialized workers to spot right after obtaining routine maintenance notification.


one.  Q: Are you a manufacturer or buying and selling firm?

    A: We are manufacturer of vacuum pumps and drinking water pumps in China since 1986.

two.  Q: What’s your MOQ?

    A: One set is okay.

three.  Q: What is your payments phrases?

    A: T/T, CZPT CZPT……

4.  Q: What certificates do you have?

    A: CE, ISO 9001 ….

5.  Q: How about the guarantee?

    A: 12 months warranty since delivery.

6.  Q: What’s the supply time?

    A: For different designs,various motor specs and distinct substance,supply time is various,please double validate with our income group.

7.  Q: Can you do OEM brand name?

    A: Sure, welcome.

eight.  Q: CZPT reliable?

    A: We have complete tests method managed by micro-machine,testing performance curve can be despatched to clients before arrange supply.

Company overview:
Set up in 1986, our company has been focusing on the advancement and manufacture of vacuum pumps and drinking water pumps.We are a thorough pump organization integrating production, sales and right after-revenue routine maintenance companies.

The main products include liquid ring vacuum pumpsrotary vane vacuum pumpsroots vacuum pumpcentrifugal drinking water pump and CZPT vacuum pump method,which are broadly used in all sorts of plastic extrusion linemedical and pharmaceutical market(autoclave sterilizer/capsule filling and sealing equipment)food-associated sector(beverage device/milking equipment/sugar plant)chemical industrypower plantcoal mine etc.

Make contact with us:


Shanghai Yulong 7.5kw Roots Vacuum Pump

Vacuum Pump

As one of the vacuum pump manufacturers, suppliers, and exporters of mechanical products, We offer vacuum pumps and many other products.

Please get in touch with us for details.

Manufacturer supplier exporter of the vacuum pump.

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