Butterfly valve, also called as flap valve is a valve that has simple structure, used for media having low pressure. The closure member of butterfly valve is a disc which can swing along with valve shaft. Operation is similar to that of a ball valve, which allows for quick shut off. A butterfly valve is from a family of valves called quarter-turn valves. In operation, the valve is fully open or closed when the disc is rotated a quarter turn. There are different kinds of butterfly valves, adapted for different pressures and different usage.
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China Butterfly Valve Manufacturer www.steeljrv.com offers Duplex A995 5A Lugged Butterfly Valve, 24 Inch, Class 150.
China Butterfly Valve Manufacturer www.steeljrv.com offers ASTM A216 WCB Lug Type Butterfly Valve, DN150, PN16.
China Butterfly Valve Manufacturer www.steeljrv.com offers ASME B16.5 ASTM A351 CF8M Triple Eccentric Wafer Butterfly Valve, 10 Inch, PN20.