The effects of the factors such as valve spring and compression agent on the service life of valves were analyzed based on the damage forms of valve sheets of large-scale compressors.

根椐大型压缩机气阀阀片的失效形式，分析了气阀弹簧、压缩介质等因素对气阀寿命的影响。

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Because the water pressure in spring assembly and valve body makes the conical compression core and seat seal automatically, the flow channel of valve is closed.

因弹簧总成和阀体中水流压力将锥形压芯和锥形压座自动压合密封，阀体水流通道关闭。

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The spring is under compression, which means that it tries to expand and therefore spring-loads the valve in the closed position.

弹簧处于“压缩”状态时，意味着弹簧试图伸展，气门受弹簧作用而处于关闭状况。

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