... Petrochemical, Energy, Nuclear, Automotive, Military, and so on..ASME Welding Neck FlangeClass:- 150, 300, 600, 900, 1500, 3000Size:- 1 ... /2" - 60"Types: - Welding Neck (WN), Slip-on (SO), Blind (BL), Socket Weld ( ... Joint, Threaded (TH), Orifice, Plate (PL), LongWelding Neck (LWN)Faces: - Raise (RF), Flat (FF), Ring ... -8633Website: www.chinachaowei.com ASME Welding Neck Flange