Stainless steel flange ball valve does not move after being pressed

Published on:

2021-01-08

The ball of stainless steel flange ball valve is fixed and does not move under pressure. Fixed ball valves are equipped with floating valve seat. Under the pressure of medium, the valve seat moves to make the sealing ring tightly press on the ball to ensure the sealing. Bearings are usually installed on the upper and lower shafts of the ball, with small operating torque, suitable for high pressure and large diameter valves The stainless steel flange ball valve is sealed by the mechanical force provided by the valve stem to press the ball wedge on the valve seat, so that the sealing performance of the stainless steel flange ball valve is not affected by the change of pipeline pressure difference, and the sealing performance is reliably guaranteed under various working conditions. When the ball tilts away from the valve seat, the fluid in the pipeline passes through the sealing surface of the ball at 360 ° evenly, which not only eliminates the local scouring of the valve seat by high-speed fluid, but also washes away the accumulation on the sealing surface, so as to achieve the purpose of self-cleaning.

The stainless steel flange ball valve is sealed by the mechanical force provided by the valve stem to press the ball wedge on the valve seat, so that the sealing performance of the stainless steel flange ball valve is not affected by the change of pipeline pressure difference, and the sealing performance is reliably guaranteed under various working conditions. When the ball tilts away from the valve seat, the fluid in the pipeline passes through the sealing surface of the ball at 360 ° evenly, which not only eliminates the local scouring of the valve seat by high-speed fluid, but also washes away the accumulation on the sealing surface, so as to achieve the purpose of self-cleaning.