Introduction To The Performance Of Trunnion Mounted Ball Valve

Lined Ball Valve is one of the common ball valves. Fixed ball valve is a new generation of high-performance ball valve. Fixed ball valve is suitable for long-distance pipelines and general industrial pipelines. Its strength, safety, and resistance to harsh environments are specially considered in the design. It is suitable for various corrosive and non-corrosive media. Compared with floating ball valves, when it is working, the force generated by the fluid pressure before the valve on the ball is fully transmitted to the bearing, and the ball will not move toward the valve seat, so the valve seat will not be subjected to excessive pressure. Therefore, the torque of the fixed ball valve is small, the deformation of the valve seat is small, the sealing performance is stable, and the service life is long. It is suitable for high-pressure and large-diameter occasions.

The ball of the fixed ball valve is fixed, and the sanitary pump does not move after being pressurized. Stainless steel fixed ball valves are all equipped with floating valve seats. After being subjected to medium pressure, the valve seat moves, so that the sealing ring is pressed tightly against the ball to ensure sealing. Bearings are usually installed on the upper and lower shafts of the ball, and the operating torque is small, which is suitable for high-pressure and large-diameter valves.

The trunnion mounted ball valve has the characteristics of labor-saving operation, reliable sealing performance, fire-proof structure, automatic pressure relief function, and discharge pipeline. Because of the various advantages of the trunnion mounted ball valve, the trunnion mounted ball valve is widely used in various fields.