... quality 2)deliver in time 3)10-year-experience in valve industrial Stop valve1. size:1/2"-2"2.Material: Body ... as above. Sealing PTFE/TEFLON,VITON,O-RINGS. Handle Brass handle,Iron handle,Stainless steel handle. Nut Brass nut,Steel nut,Iron nut,all ... : brass color, yellow color6,certrification: CE ISO9000:2000 Brass stop valve