AISI 304 316 stainless steel pipe fittings Round Nut,Male,Liner,Cap,Hexagon Nut Size:DN15-100 Material:AISI304/AISI316L sanitary sight glass,stainless steel sight glass,sanitary clamp sight glass 1) Specification: 1"-4", DN25-DN100 2) Standard: DIN, SMS, 3A, ISO, IDF 3) Material: AISI 304, 316L 1) Specification: 1"-4", DN25-DN100 Type: Clamp end, welded end,threaded end.2) Standard: DIN, SMS, 3A, ...