... .customize for you butterfly 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 : Brass Stem, Brass as aboveSealing : PTFE/TEFLON ...