1.Diameter:25-150mm or 1'' - 6'' 2.ISO2037,DIN,3A, IDF, SMS, JIS G 3459/3447 3.Union( joint,pipe fitting,union) Stainless Steel Union1) Specification: 1/2"-6", applied to the stainless steel pipeline system2) Material quality: SUS304, SUS316L3) Flux domination of pipeline: DN12.5-150 mm and 1/2" - 6"4) Standards: ISO, DIN, SMS, IDF5) Rubber: Silicon rubber,EPDM or FPMApplication: Pharmacy, beer, ...