H41J升降式衬胶止回阀

H40J浮球式衬胶止回阀

H44J旋启式衬胶止回阀

HDH47X蝶式缓冲止回阀

HC41X节能梭式止回阀

H72Y高压对夹立式止回阀

H63H/Y/F高压角式止回阀

HQ44X、HQ45X微阻球形止回阀

HQ41X滑道滚球式止回阀

DRVZ、HC42T*止回阀

HC41X消声止回阀

SFCV、HC44X橡胶瓣止回阀