Product Description Product name: 3A Union Type: Union Material quality: AISI304, AISI316L Standard: DIN, SMS, ISO, IDF, RJT Flux domination of pipeline: DN25-150&1"-6", applied to the stainless steel pipeline system Medium: Beer, Dairy, Beverage, Pharmacy Donjoy are a manufacturer specialized in producing kinds of sanitary valves and fittings. Such as butterfly valves, check valves, ball valves, diaphragam valves, sample valves, stop reversing valves, relief valves, bends, tees, reducers, unions, ferrules, etc.