... C37000, CW614N, CW617N, etc.2. The valve is used for connecting or cutting off the medium in pipelines.It ... and air. Specialized in development and production of Copper Valves, Gas Valves, Gate Valves, Ball Valve, Radiator Valve, Stop Valve, Check ... Valve, Bibcock, Angle Valves, Brass Fitting, Copper Fitting,Cast Steel Valves, Stainless Steel Valves, Sanitary Wares, Hose, Water meters ...