... 3.DIN,SMS,ISO,IDF,AS,BS,BPE Standard.Sanitary union (ISO9001:2000,CE,TUV certified) Specification: ... ferrule,end cap,nut,clamp,elbow,tee,cross,reducer,sight glass,manhole cover,cleaning ball,centrifugal pump ... manufactory from China,specializes in producing kinds of sanitary valves,pipe fittings as well as OEM services ... arc welding machine and so on. Stainless steel sanitary union sanitary pipe fittings