Long weld neck flange, lwn flanges are similar to a standard Weld Neck flanges, but the “Neck” is considerably longer than other flanges. LWN flange is often used as a nozzle for a barrel or column. In addition, there are the type LWN Heavy Barrel (HB) and the Equal LWN Barrel (E); they have a different shape and a thicker “Wall”. Type: LWN Forged Flange, Long welding neck flange Material: Carbon steel: A105,SS400,SF440 RST37.2,S235JRG2,P250GH,C22.8, Stainless Steel: F304 F304L F316 F316L 316Ti, Copper etc. Standard: ANSI/DIN/JIS Size: 1/2-78 inch (DN15-DN2000) Pressure: ANSI class 150,300,600,1500,2500, DIN PN6,PN10,PN16,PN25,PN40,PN64,PN100,PN160 Packing: No Fumigate or Fumigate Plywood/Wood Pallet or Case Surface Treatment: Anti-rust Oil, Transparent/Yellow/Black Anti-rust Paint,Zinc,Hot dipped Galvanized. Usage: Oil Field, Offshore, Water System, Shipbuilding, Natural Gas, Electric Power, Pipe Projects etc.
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Source: wilsonpipeline Pipe Industry Co., Limited (www.wilsonpipeline.com)
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