... Leakage Test Brass gate valves,forged brass gate valve,gate valve,Brass valves,1,Gate valve Body BRASS: CW614N, CuZn39Pb3, CW617N, ... of small fluid resistance, labor-saving operation, and unconstrained flow direction. 3. The wheel is made of HT200 gray ... of Copper Valves, Gas Valves, Gate Valves, Ball Valve, Radiator Valve, Stop Valve, Check Valve, Bibcock, Angle Valves, Brass Fitting, Copper Fitting ...