H72H对夹式止回阀

H74H/X对夹圆片式止回阀

HQ41X滑道滚球式止回阀

HQ44X微阻球形止回阀

HH49X微阻缓闭蝶式止回阀

HH47X蝶式缓冲止回阀

HQ45X微阻球形止回阀

HC44X橡胶瓣止回阀

H76对夹式双瓣蝶形止回阀

HH44X微阻缓闭止回阀

H44H美标旋启式法兰止回阀

H71H/W对夹升降式止回阀