Long Stem Water Valve

The valve within the detachable parts surface, for supporting the valve fully closed position, and form a seal pair. The general is the largest circulation Valve Seat diameter diameter. For example the valve seat material is very extensive, all kinds of rubber, plastic and metal materials can be used as the seat material, The stem bear pulled in the valve opening and closing process, and compression and torsion force, and direct contact with the media, as well as the relative motion...