... ,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,VITON,O-RINGS. Handle : Iron handle, ... ,Aluminium handle,Plastic handle.Nut : Brass nut,Steel nut,Iron nut,all Zinc plated. Connection : Theaded ISO228,BSP,NPT ...