H74ⅠH74Ⅰ型对夹薄型止回阀

H12W-16TH12W-16T黄铜丝口止回阀

H12W-16P/RH12W-16P/R不锈钢丝口止回阀

H41WH41W型不锈钢升降式止回阀

H42TH42T型（DRVZ）*止回阀

H61YH61Y型高压升降式止回阀

H14W-16P/RH14W-16P/R不锈钢螺纹旋启式止回阀

H42H/WH42H/W不锈钢法兰立式止回阀

HQ45XHQ45X型 微阻球形止回阀

HQ41XHQ41X球形止回阀（无磨损球形止回阀）

H41X/WH41X/W消声止回阀（铁壳铜芯）

H42XH42X底阀