... 3,CW614n,CW617n, CuZn39pb3,CuZn40pb2,CW3770,DZR. Stem Brass Stem, Brass as above. Sealing PTFE/TEFLON,VITON,O-RINGS ... handle, Stainless steel handle,Aluminium handle. Nut Brass nut,Steel nut,Iron nut,all Zinc plated. ... /4''. 1/2''×1''.7.Surface: Yellow. Brass color.8.Standard: GB,DIN,ANSI,EN,BS,UIN ... our Advantage.One Stop Production to ensure the Delivery and Quality! We smelt the brass bars,make the ...