The ball valve includes a valve body and a valve core. The valve core set inside the cavity of the valve seat has a passage in the middle part, a long slot in the upper part, left part fixed and sealed with sealing pad and valve seat, and right part sealed with sealing pad and valve seat and fixed with valve cover.
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When fully opened or fully closed, the body and the sealing of the seat separate from the medium. And It won't cause the erosion of the ball valve's sealing surface when the medium through.
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