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30-WS Vacuum pump of sealing oil system
30-WS Vacuum pump is mainly used for sealing oil system of power plant requiring long-term continuous operation. It has the least moving parts, only rotor and slide valve (completely sealed in the pump cylinder). When the rotor rotates, the slide valve (RAM) acts as a plunger to discharge all air and gas from the exhaust valve. At the same time, when new air is pumped from the air inlet pipe and the air inlet hole of the slide valve recess, a constant vacuum is formed behind the slide valve.
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