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.
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.
Yaang Pipe Industry also Deal in following :
SS Long Weld Neck Flange | CS Long Weld Neck Flange | Alloy Steel Long Weld Neck Flange | F5 Long Weld Neck Flange |
F11 Long Weld Neck Flange | F22 Long Weld Neck Flange | F12 Long Weld Neck Flange | F91 Long Weld Neck Flange |
SS 304 Long Weld Neck Flange | SS 304L Long Weld Neck Flange | SS 316 Long Weld Neck Flange | SS 316 L Long Weld Neck Flange |
SS 317 Long Weld Neck Flange | SS 317L Long Weld Neck Flange | SS 321 Long Weld Neck Flange | SS 347H Long Weld Neck Flange |
SS 904L Long Weld Neck Flange | Duplex Long Weld Neck Flange | Super Duplex Long Weld Neck Flange | S31803 Long Weld Neck Flange |
S32205 Long Weld Neck Flange | Monel 400 Long WeldNeck Flange | Monel K500 Long WeldNeck Flange | Inconel Long Weld Neck Flange |
Duplex Long Weld Neck Flange | Super Duplex Long WeldNeck Flange | S32750 Long Weld Neck Flange | S32760 Long Weld Neck Flange |
F51 Long Weld Neck Flange | F53 Long Weld Neck Flange | A694 F42 Long Weld Neck Flange | A694 F46 Long Weld Neck Flange |
A694 F52 Long Weld Neck Flange | A694 F56 Long Weld Neck Flange | A694 F60 Long Weld Neck Flange | A694 F65 Long Weld Neck Flange |
A694 F70 Long Weld Neck Flange | A350 LF2 Long Weld Neck | A350 LF3 Long Weld Neck Flange | A707 L1 Long Weld Neck Flange |
A707 L2 Long Weld Neck Flange | A707 L3 Long Weld Neck Flange | A105 Long Weld Neck Flange | F904L Long Weld Neck Flange |
Inconel 625 Long WeldNeck Flange | Incoloy 800 Long WeldNeck Flange | Incoloy 800H Long WeldNeck Flange | Incoloy 800HT Long WeldNeck Flange |
Hastelloy Long Weld Neck Flange | Hastelloy B2 Long WeldNeck Flange | Hastelloy B3 Long WeldNeck Flange | Hastelloy C22 Long Weld Neck Flange |
Hastelloy C276 Long WeldNeck Flange | KOC approved Long WeldNeck Flange | KNPC approved Long WeldNeck Flange | AAramco approved Long WeldNeck Flange |
Source: Zhejiang Yaang Pipe Industry Co., Limited (www.yaang.com)