... , 100% Leakage Test Brass gate valves,forged brass gate valve,gate valve,Brass valves,1,Gate valve Body BRASS: CW614N, CuZn39Pb3, CW617N ... brass C3771, C37000, CW614N, CW617N, etc.2. The valve is used for connecting or cutting off the medium in pipelines.It is easy ... Valve, Stop Valve, Check Valve, Bibcock, Angle Valves, Brass Fitting, Copper Fitting,Cast Steel Valves, Stainless Steel Valves, Sanitary ...