Stainless Flange 1.TUV and ISO 9001 2. DIN/ EN1092/ ANSI B16.5/ UNI /BS 3.over 210 ... Blind Flange, Threaded Flange, Ring Joint Flanges2) Standard: ANSI, ASME, DIN, BS, EN, JIS, GOST ASME: ANSI B16.9, ANSI B16 ... .28, MSS SP75 DIN: DIN2605/2615JIS: JIS B2313 EN: EN10253-1/2, EN10253- ... and so on ASTM: A182, A234 WPB/P11/P22/A420 DIN: ST35.8, ST37, ST52, 1.7335, 1.7380, 1.0488 ...