H72Y对夹式高压止回阀

H44H旋启式止回阀

CVKR式止回阀式法兰止回阀

H41H - H41W美标止回阀

H44F46衬氟旋启式止回阀

H48Y - H48H - 175H48Y -175H48H空排止回阀

H41F46衬氟升降式止回阀

H41H升降式止回阀

H41 - HC41(B型) - H41-16T全铜消声止回阀

H42H不锈钢立式止回阀

HC44X（SFCV）橡胶瓣止回阀

H71H不锈钢对夹式止回阀