Sanitary Unions We can produce sanitary unions with DIN, SMS, 3A, IDF, RJT, ISO, DS standard. All Semifinished product made from the round steel or precision forging, machined by CNC machines. Technical parameters Standard DIN,3A,SMS,RJT,ISO,IDF,DS,Macon Size 1"-6"DN10-DN20017.2-168.3 Material 304,316L (Forged) Sealmaterial NBR,Silicone,EPDM,FPM,PTFE