... 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 ... Orifice, Plate (PL), LongWelding Neck (LWN)Faces: - Raise (RF), Flat (FF), Ring Type Joint (RTJ), Ring Joint (RJ ... 577-8588-8633Website: www.chinachaowei.com ASME WN Flange