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为降低立式往复真空泵的功耗和延长气阀阀片的寿命，对目前在用的往复真空泵环状气阀及阀片进行了受力分析．并以WL－200立式往复真空泵气阀结构为例，给出了相关尺寸。
In order to reduce the power consumption of the vertical reciprocating vacuum pump and extend the service life of the valve plate, the force analysis of the ring valve and the valve plate of the reciprocating vacuum pump currently used is carried out. Take WL-200 reciprocating vacuum pump valve structure as an example, gives the relevant dimensions.