spring-loaded lift check valve
弹簧载荷升降式止回阀 Spring-loaded lift check valve 弹簧载荷环形阀瓣升降式止回阀 Spring-loaded annular disc lift check valve ..
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升降式止回阀使用一个可承受弹簧载荷的轻量阀瓣，阀瓣的升程不高。
Lift check valve with a spring load can withstand light valve flap, flap valve lift is not high.
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