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逆止阀和止回阀的区别
更新时间: 2020-10-29 18:25:12  

其实是一样的阀门,只是各地习惯性的叫法不同,单向阀,逆止阀都是止回阀。止回阀也有很多种类。1、旋启式止回阀:依靠液体在阀体内直通,压力达到后顶开一侧的旋转阀瓣,失去后依靠自重回位。反向液体压力封闭阀瓣。2、重力式:主要依靠阀瓣的自身重力封闭,防止倒流的发生。3、弹簧式:常用于通经较小的情况下,主要依靠压力顶起弹簧控制的阀瓣,当压力消失后,弹簧力会将阀瓣压下来,封闭液体倒流的通道。

关键词: 区别

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