... DIN,SMS,ISO,IDF,AS,BS,BPE Standard.Sanitary union (ISO9001:2000,CE,TUV certified) Specification: DN15 ... 400G)Shape: round or hexagon typeA completed union was composed of nut,liner,male,seal ring. We ... ball valve,check valve,diaphragm valve,safety valve,union parts,ferrule,end cap,nut,clamp,elbow, ... manufactory from China,specializes in producing kinds of sanitary valves,pipe fittings as well as ...