Dual Stage Rotary Vane Vacuum Pump

The Dual Stage Rotary Vane Vacuum Pump is a direct-coupled oil-immersed mechanical vacuum pump, which is the basic equipment used to pump out gas from sealed containers to obtain a vacuum environment. It can be used alone and directly, and can also be used as the backing pump and pre-pump of Roots pump, diffusion pump, molecular pump, and form a vacuum unit to pump air together to achieve the purpose of ultra-high vacuum.

Application Area

Our company's products are widely used in: refrigeration, automobile air conditioning maintenance, production line exhaust, small fluoride machine, electric light source, light bulb, electron tube, picture tube, electric vacuum device, semiconductor, photographic card making, printing machine, printing machinery, vacuum Various vacuum pumping operations such as packaging, vacuum forming, vacuum adsorption, blister, medical equipment, scientific instruments, laboratory physical and chemical analysis, gas analysis, gas leak detection, electric vacuum devices, semiconductors, pharmaceuticals, petrochemicals, etc.

Ceramic bearings are extremely wear-resistant and hardly wear out during use, greatly improving the service life of the pump.
Reduce the maintenance rate and loss of vacuum pumps.

2.Second exhaust valve plate:
The special valve plate material imported from Sweden is used in aerospace, which is extremely fatigue-resistant and corrosion-resistant. Make sure the pump runs under high load for a long time.

3.Forced oil supply:
The forced oil supply method of the vane pump is adopted to effectively ensure the lubrication, sealing, and oil temperature control of the vacuum pump, and ensure the long-term stable operation of the vacuum pump under high load.

4.Anti-oil return device:
After starting up, the high-efficiency oil pump overcomes the spring pressure to input the vacuum pump oil into the main engine to lubricate, seal, and cool the various parts of the pump body;
After stopping, the anti-oil return device completely seals the oil tank and the total oil circuit of the pump body through spring pressure.
The anti-oil return device can effectively protect the vacuum pump oil from being sucked back into the workpiece due to a pressure difference.

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