Water ring pump and other types of mechanical vacuum pump compared to the following advantages: 1, the structure is simple, less demanding manufacturing precision, easy processing. 2, compact structure, higher pump speed, the general direct connection with the motor, without deceleration device. Therefore, with a small structure size, you can get a large displacement, covers an area is small. 3, compressed gas is basically isothermal, that is, compressed gas process temperature changes small. 4, because there is no metal friction surface of the pump cavity, no lubrication of the pump, and wear small. The seal between the rotor and the retainer can be made directly from the water seal. 5, uniform inhalation, work stable and reliable, easy to operate, easy maintenance.
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