DHH44-10P水类DHH44-10P微阻缓闭消声止回阀

H72X-16T水用H72X-16T黄铜对夹消声止回阀

H76H-16P硝酸、强氧化性介质用对夹双瓣式蝶形止回阀

H74X-16P给水系统H74X-16P型对夹圆片式旋启式止回阀

H72H-16P管道防止回流用H72H-16P对夹升降式立式止回阀

CVWR工业系统用CVWR型对夹式*止回阀

CVWR-0040对夹式*CVWR-0040型止回阀 DN40-250

CVWR-0040*CVWR-0040型对夹式*止回阀

CVWR-0040CVWR-0040型对夹式*止回阀