... ,DIN,3A, IDF, SMS, JIS G 3459/3447 3.Union( joint,pipe fitting,union) Stainless Steel Union1) Specification: 1/2"-6", applied ... 1/2" - 6"4) Standards: ISO, DIN, SMS, IDF5) Rubber: Silicon rubber,EPDM or FPMApplication: Pharmacy, beer, food, dairy, beverage, cosmetic, chemical ... manufacture them according to any design. Sanitary stainless steel short union