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Ball Valve working principle

March 15, 2024

The Ball Valve is an automatic pressure relief protection device opened by inlet static pressure. It is one of the most important safety accessories for pressure vessels. Its function is: when the pressure in the container exceeds a certain value, it will automatically open based on the pressure of the medium itself. The valve quickly discharges a certain amount of media. When the pressure in the container drops to the allowable value, the valve automatically closes, so that the pressure in the container is always lower than the upper limit of the allowable pressure, automatically preventing possible accidents due to overpressure, so the Ball Valve is also called the final protection of the Pressure Vessel. device.

About The Features Of Brass Ball Valves

(1) The contact surface between the valve core and the valve seat is not tight;
(2) There is dirt on the contact surface between the valve core and the valve seat;
(3) The Valve Stem is deflected.
(4) If the valve core and valve seat are stuck, it can be ruled out by manual exhaust test;
(5) The spring adjustment pressure of the spring-type Ball Valve is too large and should be readjusted;
(6) When the weight of the lever Ball Valve moves backward, the weight should be moved to the original constant pressure position and tightened with the limit screw.
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