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China API609 Aluminum Lever Butterfly Valve Manufacturer Deye Supplies Cast Iron Ggg40/Ggg50 Butterfly Valves with Aluminum Lever, 150lbs (PN20) , Pn16, Pn10., Find Details and Price about API 598 Butterfly Valve and Ductile Iron Ggg40 Butterfly Valve from Shijiazhuang Deye Pipe Industry Co., Ltd.