... valve1. size:1/2"-2"2.Material: Body Brass,Hpb57-3,Hpb59-3,CW614n,CW617n, CuZn39pb3,CuZn40pb2,C3770 ... TEFLON,VITON,O-RINGS. Handle Brass handle,Iron handle,Stainless steel handle. Nut Brass nut,Steel nut,Iron nut,all Zinc plated.Connection Theaded ... ISO228,BSP,NPT,UNION.3.Technics: Forged.4.Guaranty: 5 years guatanty5,Surface: brass ...