Working Principle
Rotary Vane Pumps operate with a eccentrically mounted rotor within the pump body. The rotor has slots that accommodate the vane. Under power the vanes are centrifugally pushed out forming a seal against the pump body, creating chambers of air. As the eccentric rotor spins, this creates a pressure which can be used as a vacuum pump or a compressor.
All of the DVP oil lubricated rotary vane vacuum pumps from Vacuum Pumps UK may run continuously within certain pressure ranges, or connected to containers to be emptied, whose volume is appropriately sized for the pump flow rate. Long-term use at atmospheric pressure is not recommended.
The lubrification allows these oil lubricated vacuum pumps to intake water vapour. To avoid condensation of the water vapour, the lubricated rotary vane vacuum pumps are equipped with the gas ballast, a system that introduces air in the compression stage and changes the vapour saturation pressure thus avoiding condensation. In the WR pump version, the gas ballast system is improved and reinforced.
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