... for you butterfly handle gas ball valve1.Model No. : XLD-1119 2.Material:Body Brass:Hpb57-3,Hpb593,CW614n, ... CuZn39pb3,CuZn40pb2,CW3770,DZR.Ball: Brass as above,lead free brass,Brass ball.chrome coated,Iron ball chrome coated.Stem : Brass Stem, Brass as aboveSealing : PTFE ... nut,all Zinc plated. Connection : Theaded ISO228,BSP,NPT,UNION.3.Technics: Forged, Chrome plated, Nickel plated, Galvanized. ...