H71W型H71W型对夹式止回阀

H71W型H71W型对夹升降式止回阀

H74Ⅰ型、Ⅱ型H74Ⅰ型、Ⅱ型对夹薄形止回阀对夹旋启式止回阀

H74H型H74H型对夹圆片止回阀

H74W型H74W型对夹薄型止回阀

H76H型H76H型对夹式蝶形止回阀

H76X型H76X型对夹蝶型止回阀

H77X型H77X型对夹式双瓣止回阀

HC41W型HC41W型防水锤消声止回阀

HC41T型HC41T型消声止回阀铜

H41X型H41X型泵前消声止回阀铁壳铜芯

HC44XSFCV型HC44XSFCV型橡胶瓣式止回阀