... -DN150, 1/2"-6", Materials: AISI304, AISI304L, AISI316, AISI316L Sealing ring: Silicon gel, EPDM, FPM Sanitary Union (ISO9001: 2008, CE, TUV ... size can be customized Materials: AISI304, AISI304L, AISI316, AISI316L Sealing ring: Silicon gel, EPDM, FPM or VITON Surface treatment: Mirror polishing ... : Dairy, Water, Food, Beer, Beverage, Pharmaceutical, Cosmetic and so on. pipe fitting