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A pvc ball valve, as its name neatly suggests, is any valve that utilizes a ball to control the flow of substances from one opening to the next. The center of the ball includes a port, sometimes called a bore. The ball valve is in the open position when this central port is aligned up in the same direction as the connected pipeline as such a positioning allows the fluid or gas to flow through. The ball valve turns to the closed position when the port becomes perpendicular, blocking the flow path and preventing any substances to continue movi