Spring-compensated movable valve seat plug valve
A technology of spring compensation and seat cock valves, which is applied in the direction of cocks, valve devices and engine components including cut-off devices, which can solve problems such as high-pressure leakage, achieve the effect of solving leakage problems and ensuring tight fit
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[0010] exist figure 1 In the illustrated embodiment, the valve is welded or otherwise mounted to the pipeline. When it is opened, the rotary actuator moves, and the actuator drives the cock to rotate. When the through hole on the cock communicates with the channel of the valve body, the valve opens and the medium circulates; when it is closed, the rotary actuator also moves, and the actuator drives the cock to rotate. When the cock is on When the valve seat rotates to the same axis as the valve body channel, the sealing surface of the valve seat and the wall surface of the inner cavity of the valve form a closed sealing pair, and the valve is closed to block the flow of the medium.
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