1.Type: welded 2.Material: 304,304L,316L 3.Size: 1"-6",DN25-DN150 4.Standards: DIN,3A ... .DN15-DN150,1/2"-6".AISI304,AISI304L,AISI316,AISI316L. 3.DIN,SMS,ISO,IDF,AS,BS,BPE Standard.Sanitary union ... manufactory from China,specializes in producing kinds of sanitary valves,pipe fittings as well as OEM services over 15 years. Occupies ... machine and so on. Stainless steel sanitary union sanitary pipe fittings