對夾單瓣式由閥體、閥瓣、彈簧等組成,對夾單瓣式止回閥水平或垂直安裝于管路系統(tǒng),防止介質倒流,具有結構短、體積小、質量輕;閥
H76型凸耳對夾雙瓣旋啟式止回閥(美標)H76 type lug and wafer type double discs swing check valve(ANSI standard)
H71對夾升降式止回閥(國標)H71 wafer type lift check valve(GB standard)