Floating valve ball design means two seat rings are used for supporting the ball in the floating type ball valve. This design makes the ball to float or move in the direction of the seat ring on top. This design is suited for small size and low pressure ball valves.More
Hollow valve balls can be made by steel plate welded, or with pipe welded inside the ball. Hollow Ball is less expensive just because there is less metal involved, and in larger sizes it will contribute to better seat life because its lighter weight reduces eccentric weight-related seat loading.More
The trunnion valve ball has another stem at the bottom to fixed the position of the ball. That is why the ball won't move. These balls are available with soft as well as metal seats designed for either high temperature or cryogenic service.More
Wenzhou Xinzhan Valve Ball Co., Ltd. ( XINZHAN ) is a manufacturer dedicated to the development of high-precision, high-tech and multi-performance valve balls. With its strong production innovation ability, many years’ production management experience, advanced processing and inspection facilities ( Western Siemens CNC equipment-spherical grinder, machining center, spherical roundness measuring instrument, three-dimensional coordinate instrument, etc. ), XINZHAN has won recognition and praise from domestic and foreign customers.