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What is the Electric butterfly valve

Electric butterfly valve refers to the closing piece (valve) moves along the centerline of the valve. There also have Electric Ball Valve.Depending on the type of movement of the valve disc, the change in valve seat opening is in direct proportion to the valve disc stroke.

Different from Cast Iron Check Valve Electric butterfly valve closing principle is to rely on the valve stem pressure, so that the sealing surface of the valve flap and valve seat sealing surface close fit, to prevent the flow of media. China's valves, "three to" have provided that the flow of electric butterfly valve, all from top to bottom, so it will be directional when installation.

butterfly valve

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