... : ISO9001:2000, CE Standard: ANSI, ASME, API, DIN, JIS SS304/316/316L blind flange DIN stainless 1) Standard: ANSI, ASME, API ... , DIN, JIS, JPI, UNI, BS, etc. 2) Material: 304, 321, 304L, 316, 316L, 317L, 310S, 904L, 2520, etc. 3) Type: Welding ... requirement blind flange DIN stainless blind flange DIN stainless steel 304/316