... 3.Size: 1"-6",DN25-DN150 4.Standards: DIN,3A,SMS,ISO,IDF, RJT 1.ISO9001:2008,CE,TUV certified. 2 ... -DN150,1/2"-6".AISI304,AISI304L,AISI316,AISI316L. 3.DIN,SMS,ISO,IDF,AS,BS,BPE Standard.Sanitary union (ISO9001:2000 ... with chain,blind cap etc...We also supply butterfly valve,ball valve,check valve,diaphragm valve,safety valve,union parts,ferrule,end cap,nut,clamp,elbow ...