... CuZn40pb2,C3770,DZR. Ball Brass as above,lead free brass,Brass ball. chrome coated,Iron ball chrome coated. Stem Brass Stem, Brass as above. Sealing ... steel handle, Aluminium handle,Plastic handle. Nut Brass nut,Steel nut,Iron nut,all Zinc plated.Connection Theaded ISO228,BSP,NPT,UNION.3 ... '',2-1/2'',3'',4''.7.Surface: Yellow brass color. Nickel plated. Chrome plated.8.Standard: GB,DIN,ANSI,EN,BS,UIN ...