... )deliver in time 3)10-year-experience in valve industrial Stop valve1. size:1/2"-2"2.Material: Body Brass,Hpb57 ... ,CuZn40pb2,C3770,DZR. Stem Brass Stem, Brass as above. Sealing PTFE/TEFLON,VITON,O-RINGS. Handle Brass handle,Iron handle,Stainless ... ,Surface: brass color, yellow color6,certrification: CE ISO9000:2000 Brass stop valve