vatac flanges in ANSI, DIN, JIS, EN STD.ISO/CE/API Approved Size: 1/2"~80 ... , S.S, Duplex Rating: CL150~CL2500 VATAC DIN FLANGE, JIS FLANGE, ANSI FLANGES:Size Ranges: 1"~80"NB Materials Available ... in: Stainless steel 304, 304L, 316, 316L, carbon steel Standard ... , HG/T21635, HG/T21631, MSS SP-43, DIN 2605, JIS B2313. ANSI Flange, DIN Flange ...