Ball Valve, Globe Valve, Gate Valve manufacturer / supplier in China, offering Worm Gear Wafer Butterfly Valve,Manual Operated,Soft Seated,Ductile Iron/Stainless Steel Body,Pn10/16,Ansiclass150,Corrosion Resistant Industrial Butterflyvalve, High-Performance Carbon Steel Butterfly Valve,Wcb Cast Steel,Soft Seated,Wafer&Flanged Connection,Versatile Actuation:Manual,Worm Gear,Electric,Pneumatic, Carbon Steel Butterfly Valve,Wcb Cast Steel Body,Soft Seated Wafer/Flanged Butterfly Valve,Multi-Actuation Options:Manual Lever,Worm Gear,Low Pressure Drop and so on.