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China N70 Made Oilless Closed Circulating Hydraulic Vacuum Pump

Rapid Details
Spot of Origin:Zhejiang, China                          Brand name Title:LZ
Product Quantity:N-70                                      Framework:Solitary-stage Pump                    Application:Vacuum                                           Usage:Air Pump
Electrical power:Electric                                                    Gas:Vacuum  Oil
Strain:Minimal Pressure                                      Concept:Vacuum Pump
Supreme Vacuum:500Pa                            Oil filling level:1L
Pumping pace:70m^three/h           





one.The pump should be placed on the flat position horizontally. The pump has screw holes used for fixing the pump at the bottom cushion block.


2.Please check the oil level before starting the pump. Fill oil to the oil window 3/4 position.


3.Electrical wiring should be carried out by a professional electrician, Vacuum pump standard 380v50hz three phase motor, please look at the motor nameplate.After completion of three phase asynchronous motor wiring must rotate to check the motor,running in the direction shown by the arrow .


four.Inlet pipe cross section size should not be less than the suction mouth size and link length as short as possible.Otherwise it will affect the efficiency.


5.If the pumped gas have impurities,steam or foreign matter,you need to install a vacuum filter on pump air inlet. You also can join an exhaust pipe if necessary, the exhaust pipe need to slope down. 


6.The oil level must be check after startup,please insure the oil level in the oil window 3/4 place. When the pump is operating at high temperature, do not touch!


one. Many rotary vane design, high efficiency and energy saving


2. Air inlet non-return valve design, can prevent oil


3. The built-in oil mist filter, exhaust clean and no pollution


four. Motor and pump direct drive, small vibration, low noise

Factory configuration oil – CV – AH200 high vacuum oil, must use the ISO VG 100 viscosity grade of vacuum pump oil, vacuum pump operation must ensure that the oil level in the oil window height of 1/two three/4, regularly check the oil level and oil pollution, oil change.



Standard export wooden cases packing


Sea transport /Air transport ( DHL ,TNT , Fedex… )

Delivery time: 

15 working days

Why pick us? 

Our Service:


24-several hours standby, Vital listening your each suggestion or demand and feedback ASAP.

Organization Data

Wenling Shiqiao Vacuum Machinery Manufacturing facility was proven in 2001, specialised in producing TRD series direct vacuumpump, XD sequence one-phase vacuum pump, 2X series belt variety vacuum pump, and many others. 

Over the a long time, our firm has been fully commited to making high overall performance items. We are worried with the layout,development and production of vacuum pump. Our items are commonly utilised in chemical market, drugs,equipment leakage, vacuum packaging, vacuum warmth therapy, vacuum coating and so on.We earn high admiration and are commonly trusted at house and abroad. 

Customers’ gratification is our pursuance. We usually uphold specialist, overall performance, good top quality and excellent faith to provide high good quality items and services for buyers. Our enterprise goal is: “Top quality Initial, the user is supreme.”We will meet up with each obstacle with our possess wisdom and initiatives. 

Excellent high quality, best services is a bridge between us. We sincerely hope to progress hand in hand collectively with fellow merchants.


a.When can i get the quotation?

We typically estimate in 24 hrs after we get your inquiry.


b.How can i get a sample to examine your high quality?

After price affirmation,you can demand for samples to verify our top quality. If you want the samples, we will cost for the sample value .But the sample price can be refundable if your buy is huge enough.


c.How lengthy can I anticipate to get the sample? 
3-five doing work times for making ready samples.


d.What about the lead time for mass manufacturing? 

20-25 operating days for mass generation.It relies upon on your quantity,and we will consider our very best to meet your requirements.


e.What is your conditions of payment?