... Marine, Petrochemical, Energy, Nuclear, Automotive, Military, and so on..ASME WN FlangeClass:- 150, 300, 600, 900, 1500, 3000Size:- 1/2 ... " - 60"Types: - Welding Neck (WN), Slip-on (SO), Blind (BL), Socket Weld (SW), Lap ... GH2132, GH1140Our standard Flanges:- ANSI B16.5, B16.47- ASME B16.5, B16.47- JIS B2220- BS10, BS3293, ... 86-577-8588-8633Website: www.chinachaowei.com ASME WN Flange