... are profesional manufacturer of high quality Nickel Alloy flanges, used in various industry like Chemical, Aerospace, Marine, Petrochemical, Energy, ... Nuclear, Automotive, Military, and so on..ANSI B16.5 FlangeClass:- 150, 300, 400, 600, 900, 1500, ... (BL), Socket Weld (SW), Lap Joint, Threaded (TH), Orifice, Plate (PL), LongWelding Neck (LWN)Faces: - Raise (RF), Flat (FF ...