... Welding Flange, Butt Welding Ring Loose Flange, Slip on Neck Flange, Welding Neck Flange, Long Welding Neck Flange, Blind Flange, Socket Welding Flange, Thread Flange, Screwed Flange, Lap Joint Flange(2 ... , 3000, 6000, 9000 LBS(7) Standard: ANSI, ASME, DIN, BS, EN, JIS, GOST ASME: ANSI B16.9, ANSI B16.28, MSS SP75 ...