Valve, Butterfly Valve, Wafer Butterfly Valve manufacturer / supplier in China, offering ANSI/API 6D/DIN/GOST Industrial Stainless Steel Flanged Gate Valve Z41 for High-Pressure Applications Durable Stainless Steel Gate Valve with Flanged Ends, Valve Factory Pn10/16/ 2” /4′ ′ /DN50 DN100 150lb/Ductile Iron/Wcb/CF8 Body Valve Y Type Strainer with Flange Connection, D341 Flange Resilient Seat Butterfly Valve with Gear Box and so on.