Features: 1) Stainless steel flange and carbon steel flange 2) Standard: ASME, ANSI, API, JIS, JPI, DIN, UNI, BS, AS Product part: BS ... , Blind, Socket Welding, Threaded, Lap Joint and Plate etc.StandardASME, ANSI, API, JIS, JPI, DIN, UNI, BSPressure Ratings1 Class 150, 300 ... reply and the competitive price. Best regardssophia wang flanges and pipe fittings