ansi b16.25 pipe weld neck flange 1)Name:ansi b16.25 pipe weld neck flange 2)150-2500lb 3)Size:3/8"-160" 4)Standard:ANSI, ansi b16.25 pipe weld neck flange ansi b16.25 pipe weld neck flange Size1/2"-160"TypeWeld Neck flange(WN),Slip-On flange(SO),Blind flange(BL),Socket Weld flange SW), Plate flange(PL),Threaded flange (TH),Lap Joint Flange (LJF), Orifice Flange, Reducing Flange, Pad Type Flange, ...