H64Y电站旋启式止回阀

H46型对夹双瓣旋启式止回阀

H44W旋启式止回阀

H74H对夹单瓣旋启式止回阀

JISF7372船用法兰铸铁旋启式止回阀

HC41X消声止回阀

HC41W防水锤消声止回阀

HQ44X微阻球形止回阀

HQ44X无磨损球形止回阀

HQ45X微阻球形止回阀

H72H对夹式立式止回阀

HH47X微阻缓闭蝶型止回阀