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Valvesonly is the foremost Duplex steel Ball Valve Manufacturer in USA. The Duplex steel ball valve is a common form of valve that is used to regulate and monitor fluid flow. It opens by rotating the lever handle counter clockwise and closes by rotating the lever handle clockwise. When the ball hole is in line with the fluid flow, the valve is said to be open, and when the valve handle is pivoted at 90 degrees, the valve is said to be closed.
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