... Leakage Test Brass gate valves,forged brass gate valve,gate valve,Brass valves,1,Gate valve Body BRASS: CW614N, CuZn39Pb3, CW617N, CuZn40Pb2 ... develop new products.C=5/9(F-32) F=9/5C+2 CEL(°c) FAH(°F)Established in 1998, Ningbo Jiekelong ... production of Copper Valves, Gas Valves, Gate Valves, Ball Valve, Radiator Valve, Stop Valve, Check Valve, Bibcock, Angle Valves, Brass Fitting, Copper Fitting,Cast ...