Long Weld Necks Flange,Intergal Flange

Long Weld Neck (LWN) flanges indeed have a unique design that makes them ideal for specific applications such as serving as nozzles for barrels or columns. They typically have a longer neck compared to standard welding neck flanges, providing extra reach and stability for specialized uses.

Here’s a breakdown of their specifications:

  • Type: Long Welding Neck (LWN) 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 inches (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
  • E-catalogue: Available, visit the flange catalogue for more details
  • Usage: Oil Field, Offshore, Water System, Shipbuilding, Natural Gas, Electric Power, Pipe Projects, etc.