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Gate Valve Movement
Apr 23, 2018

When the gate valve is closed, the sealing surface can only be sealed by means of the medium pressure, that is, the pressure of the medium is only used to press the sealing surface of the gate to the valve seat on the other side to ensure the sealing of the sealing surface. This is self-sealing. Most of the gate valves are forced to seal, that is, when the valve is closed, it is necessary to force the gate plate to press against the valve seat in order to ensure the sealing of the sealing surface.