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H42Y、H42W 型升降立式止回阀
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H42Y、H42W 型升降立式止回阀
1
H42Y、H42W 型升降立式止回阀
产品详细
产品用途
H42Y、H42W 型升降立式止回阀
正常处于关闭状态，由于管线中进口端介质的压力作用，而克服弹簧阻力使阀门开启。当进口端介质压力低于出口端时，弹簧将阀芯推向阀座而使阀门关闭，阻止介质逆流，故起止回作用。
结构图片
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