... handle gas ball valve1.Model No. : XLD-1119 2.Material:Body Brass:Hpb57-3,Hpb593,CW614n,CW617n,CuZn39pb3,CuZn40pb2,CW3770,DZR.Ball ... : Brass as above,lead free brass,Brass ball.chrome coated,Iron ball chrome coated.Stem ... ,UNION.3.Technics: Forged, Chrome plated, Nickel plated, Galvanized. 4.Temperature:Normal or-20°C---150°C. 5.Medium:Water,Oil ...