... Aerospace, Marine, Petrochemical, Energy, Nuclear, Automotive, Military, and so on..ANSI B16.5 FlangeClass:- 150, 300, 400, 600, 900 ... 1/2" -24"Types: - Welding Neck (WN), Slip-on (SO), Blind (BL), Socket Weld (SW), Lap Joint, Threaded (TH), ... ANSI B16.5, B16.47- ASME B16.5, B16.47- JIS B2220- BS10, BS3293, BS4504- DIN 2502, 2503, 2527, 2565 ... -8588-8633Website: www.chinachaowei.com ANSI B16.5 Flange