4WEH16C50B/6EG24NTZ4华德换向阀惠动全场

于是6腔的油液经锥阀阀口和孔c流入T口，当油液通过主阀芯上的阻尼孔d时，便产生压差，使主阀芯两端产生压力差，在这个压力差的作用下，主阀芯克服弹簧力和摩擦力向左移动，使阀口打开，溢流阀便实现在一定压力下溢流。调节弹簧2的预压缩量便可改变该叠加式溢流阀的调整压力。

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4WEH16C50B/6EG24NTZ4华德换向阀惠动全场