HQ44X球形止回阀

HQ41X球形止回阀

H74对夹圆片式止回阀

H72对夹式高压止回阀

H71对夹升降式止回阀

H44T铸铁旋启式止回阀

H41T铸铁升降式止回阀

H41F-10S塑料止回阀

H76对夹双瓣旋启式止回阀

H42H立式止回阀

HC44X橡胶瓣止回阀

HC42T*止回阀