H71H、H71Y、H71F、H71W对夹升降止回阀

H76H、H76W、H76X、H76F对夹双瓣止回阀

H11HY、H14、H61HY、H64HY锻钢止回阀

H74H、H74X、H74W对夹圆片式止回阀

HH46XH、HH48XH、HH49HX蝶式止回阀

HC42XDRVZ、HC42H、HC42T静音止回阀

HC41X、H41X消声止回阀

HC44XSFCV、H44X橡胶瓣止回阀

HQ41X、HQ44X、HQ45X无磨损球形止回阀

300XHH741X型缓闭止回阀

HH44H、HH44X、HH44ZT微阻缓闭止回阀

H41H、H41Y、H41F、H41W升降式止回阀

H42Y、H42W、H42H立式止回阀

H44H、H44Y、H44W、H44T旋启式止回阀

J941Y、J941H、J941W电动截止阀

J541Y、J541H、J541W锥齿轮截止阀

J41H、J41Y、J41F国标截止阀

J41H、J41Y、J41F美标截止阀

DJ41Y、DJ41W低温截止阀

J41N燃气截止阀