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.