... 6",DN25-DN150 4.Standards: DIN,3A,SMS,ISO,IDF, RJT 1.ISO9001:2008,CE,TUV certified. 2 ... ,AISI316,AISI316L. 3.DIN,SMS,ISO,IDF,AS,BS,BPE Standard.Sanitary union (ISO9001:2000,CE,TUV certified) Specification ... ,240G,400G)Shape: round or hexagon typeA completed union was composed of nut,liner,male,seal ring. ... ,ball valve,check valve,diaphragm valve,safety valve,union parts,ferrule,end cap,nut,clamp,elbow,tee, ...