... Leakage Test Brass gate valves,forged brass gate valve,gate valve,Brass valves,1,Gate valve Body BRASS: CW614N, CuZn39Pb3, CW617N, ... ThreadThread to ISO228/1, BSP, NPT, etc 2,Technical standard:1. The body is forged with brass C3771, C37000, ... of Copper Valves, Gas Valves, Gate Valves, Ball Valve, Radiator Valve, Stop Valve, Check Valve, Bibcock, Angle Valves, Brass Fitting, Copper Fitting,Cast ...