... :1) Stainless steel flange and carbon steel flange 2) Standard: ASME, ANSI, API, JIS, JPI, DIN, UNI, BS, Kaiertong's flange is made in ... Shaanxi province Dingxiang county. Features:1) Stainless steel flange and carbon steel flange 2) Standard: ASME, ANSI, API, JIS, JPI, DIN, UNI, ... 2, C22.8 4) OD: up to 2,500mm 5) Production with anneal solution for stainless performance 6) Special design available ...