Long Weld Neck Flange

Long welding neck flange Manufacturer elite supplies LWN flange , long welded neck forged Flange, Long welding neck Flanges in forged steel, Stainless Steel, Carbon steel etc.

Long Weld Neck Flange

Long welding neck flange, lwn flanges are similar to a standard Welding 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”.

 

Specification of Long Weld Neck Flange
Type
Material
Standard
Size
Pressure
Packing
Surface Treatment
E-catalogue
Usage
LWN Forged Flange, Long welding neck flange
Carbon steel: A105, SS400, SF440 RST37.2, S235JRG2, P250GH, C22.8, Stainless Steel: F304 F304L F316 F316L 316Ti, Copper etc.
ANSI/DIN/JIS
 1/2-78 inch (DN15-DN2000)
ANSI class 150, 300, 600, 1500, 2500, DIN PN6, PN10, PN16, PN25, PN40, PN64, PN100, PN160
No Fumigate or Fumigate Plywood/Wood Pallet or Case
Anti-rust Oil, Transparent/Yellow/Black Anti-rust Paint,Zinc,Hot dipped Galvanized.
Available , please visit catalogue of flange
Oil Field, Offshore, Water System, Shipbuilding, Natural Gas, Electric Power, Pipe Projects etc.
Long-welding-neck-flange-lwn-flange c1
REDUCING FLANGE
REDUCING FLANGE
Socket-Welding-Flange-SW-Flange

Elite offers a wide range of flanges like 150LBS Long Welding Neck Flange , LWN Flange, SO, WN, BL, SW, LJ etc., include 150lb, 300lb, 600lb, 900lb, 1500lb, 2500lb with raised face, flat face, tongue, groove face etc., which is precisely engineered in accordance with international quality standards totally.We offer these flanges in various dimensions as per the specifications provided by our clients. To gain optimum client satisfaction, we ensure safe packaging and prompt delivery of the ordered consignment.

Dimension of 150LBS Long Weld Neck Flange
Nominal
Pipe
Size
Outside
Diameter
Thickness
of
Flange
Min.
O.D. of
Raised
Face
Hub
Diameter
at  Bevel
Diameter
of Bore
Length Through  Hub Diameter
of Bolt
Circle
Number
of Holes
Diameter
of Holes
O C R A B H H1 BC d
1/2″ 89 11.1 34.9 30.2 12.7 228. 6 304. 8 60.5 4 15.8
3/4″ 98.5 12.7 42.9 38.1 19.1 228. 6 304. 8 69.9 4 15.8
1″ 108. 0 14.3 50.8 50.8 25.4 228. 6 304. 8 79.4 4 15.8
1-1/4″ 117. 5 15.9 63.5 60.3 31.8 228. 6 304. 8 88.9 4 15.8
1-1/2″ 127. 0 17.5 73 66.7 38.1 228. 6 304. 8 98.4 4 15.8
2″ 152. 5 19.1 92.1 82.5 50.8 228. 6 304. 8 120. 7 4 19
2-1/2″ 178. 0 22.2 104. 8 95.2 63.5 228. 6 304. 8 139. 7 4 19
3″ 190. 5 23.8 127. 0 107. 9 76.2 228. 6 304. 8 152. 4 4 19
3-1/2″ 216. 0 23.8 139. 9 124. 0 88.9 228. 6 304. 8 177. 8 8 19
4″ 228. 5 23.8 157. 2 139. 7 101. 6 228. 6 304. 8 190. 5 8 19
5″ 254. 0 23.8 185. 7 165. 1 127. 0 228. 6 304. 8 215. 9 8 22.5
6″ 279. 5 25.4 215. 9 196. 8 152. 4 228. 6 304. 8 241. 3 8 22.5
8″ 343. 0 28.6 269. 9 247. 6 203. 2 228. 6 304. 8 298. 4 8 22.5
10″ 406. 5 30.2 323. 9 304. 8 254. 0 228. 6 304. 8 361. 9 12 25.5
12″ 482. 5 31.8 381. 0 365. 1 304. 8 228. 6 304. 8 431. 8 12 25.5
14″ 533. 5 34.9 412. 8 406. 4 355. 6 228. 6 304. 8 476. 2 12 28.5
16″ 597. 0 36.5 469. 9 457. 2 406. 4 228. 6 304. 8 539. 7 16 28.5
18″ 635. 0 39.7 533. 4 508. 0 457. 2 228. 6 304. 8 577. 8 16 31.8
20″ 698. 5 42.9 584. 2 558. 8 508. 0 228. 6 304. 8 635. 0 20 31.8
24″ 813. 0 47 692. 2 666. 7 609. 6 228. 6 304. 8 749. 3 20 35.1

Elite offers a wide range of flanges like 300LBS Long Welding Neck Flange ,LWN Flange, SO, WN, BL, SW, LJ etc., include 150lb, 300lb, 600lb, 900lb, 1500lb, 2500lb with raised face, flat face, tongue, groove face etc., which is precisely engineered in accordance with international quality standards totally.We offer these flanges in various dimensions as per the specifications provided by our clients. To gain optimum client satisfaction, we ensure safe packaging and prompt delivery of the ordered consignment.

Dimension of 300LBS Long Weld Neck Flange
Nominal Pipe Size Outside Diameter Thickness of Flange Min. O.D. of Raised Face Hub Diameter at Bevel Diameter of Bore Length Through Hub Diameter of Bolt Circle Number of Holes Diameter of Holes
O C R A B H H1 BC d
1/2″ 95.5 14.3 34.9 38.1 12.7 228. 6 304. 8 66.7 4 15.8
3/4″ 117. 5 15.9 42.9 47.6 19.1 228. 6 304. 8 82.5 4 19
1″ 124. 0 17.5 50.8 54 25.4 228. 6 304. 8 88.9 4 19
1-1/4″ 133. 5 19.1 63.5 63.5 31.8 228. 6 304. 8 98.4 4 19
1-1/2″ 155. 5 20.6 73 69.8 38.1 228. 6 304. 8 114. 3 4 22.5
2″ 165. 0 22.2 92.1 82.5 50.8 228. 6 304. 8 127. 0 8 19
2-1/2″ 190. 5 25.4 104. 8 100. 0 63.5 228. 6 304. 8 149. 2 8 22.5
3″ 209. 5 28.6 127. 0 117. 5 76.2 228. 6 304. 8 168. 3 8 22.5
3-1/2″ 228. 5 30.2 139. 7 133. 4 88.9 228. 6 304. 8 184. 1 8 22.5
4″ 254. 0 31.8 157. 2 146. 0 101. 6 228. 6 304. 8 200. 0 8 22.5
5″ 279. 5 34.9 185. 7 177. 8 127. 0 228. 6 304. 8 234. 9 8 22.5
6″ 317. 5 36.5 215. 9 206. 4 152. 4 228. 6 304. 8 269. 9 12 22.5
8″ 381. 0 41.3 269. 9 260. 3 203. 2 228. 6 304. 8 330. 2 12 25.5
10″ 444. 5 47.6 323. 9 320. 7 254. 0 228. 6 304. 8 387. 3 16 28.5
12″ 520. 5 50.8 381. 0 374. 6 304. 8 228. 6 304. 8 450. 8 16 31.8
14″ 584. 0 54 412. 8 425. 4 355. 6 228. 6 304. 8 514. 3 20 31.8
16″ 647. 5 57.2 469. 9 482. 6 406. 4 228. 6 304. 8 571. 5 20 35.1
18″ 711. 0 60.3 533. 4 533. 4 457. 2 228. 6 304. 8 628. 6 24 35.1
20″ 774. 5 63.5 584. 2 587. 3 508. 0 228. 6 304. 8 685. 8 24 35.1
24″ 914. 5 69.9 692. 2 701. 6 609. 6 228. 6 304. 8 812. 8 24 41.2

Elite offers a wide range of flanges like 400lbs Long Welding Neck Flange , SO, WN, BL, SW, LJ etc., include 150lb, 300lb, 600lb, 900lb, 1500lb, 2500lb with raised face, flat face, tongue, groove face etc., which is precisely engineered in accordance with international quality standards totally.We offer these flanges in various dimensions as per the specifications provided by our clients. To gain optimum client satisfaction, we ensure safe packaging and prompt delivery of the ordered consignment.

Dimension of 400lbs Long Weld Neck Flange
Nominal
Pipe
Size
Outside
Diameter
Thickness
of
Flange
Min.
O.D. of
Raised
Face
Hub
Diameter
at Bevel
Diameter
of Bore
Length Through Hub Diameter
of Bolt
Circle
Number
of Holes
Diameter
of Holes
O C R A B H H1 BC d
1″ 124. 0 17.5 50.8 54 25.4 228. 6 304. 8 88.9 4 19
1-1/4″ 133. 5 20.6 63.5 63.5 31.8 228. 6 304. 8 98.4 4 19
1-1/2″ 155. 5 22.2 73 69.8 38.1 228. 6 304. 8 114. 3 4 22.5
2″ 165. 0 25.4 92.1 82.5 50.8 228. 6 304. 8 127. 0 8 19
2-1/2″ 190. 5 28.6 104. 8 100. 0 63.5 228. 6 304. 8 149. 2 8 22.5
3″ 209. 5 31.8 127. 0 117. 5 76.2 228. 6 304. 8 168. 1 8 22.5
3-1/2″ 228. 5 34.9 139. 7 133. 4 88.9 228. 6 304. 8 184. 2 8 25.5
4″ 254. 0 34.9 157. 2 146. 0 101. 6 228. 6 304. 8 200. 0 8 25.5
5″ 279. 5 38.1 185. 7 177. 8 127. 0 228. 6 304. 8 234. 9 8 25.5
6″ 317. 5 41.3 215. 9 206. 4 152. 4 228. 6 304. 8 269. 9 12 25.5
8″ 381. 0 47.6 269. 9 260. 3 203. 2 228. 6 304. 8 330. 2 12 28.5
10″ 444. 5 54 323. 9 320. 7 254. 0 228. 6 304. 8 387. 3 16 31.8
12″ 520. 5 57.2 381. 0 374. 6 304. 8 228. 6 304. 8 450. 8 16 35.1
14″ 584. 0 60.3 412. 8 425. 4 355. 6 228. 6 304. 8 514. 3 20 35.1
16″ 647. 5 63.5 469. 9 482. 6 406. 4 228. 6 304. 8 571. 5 20 38.1
18″ 711. 0 66.7 533. 4 533. 4 457. 2 228. 6 304. 8 628. 6 24 38.1
20″ 774. 5 69.9 584. 2 587. 3 508. 0 228. 6 304. 8 685. 8 24 41.2
24″ 914. 5 76.2 692. 2 701. 6 609. 6 228. 6 304. 8 812. 8 24 47.8

Elite offers a wide range of flanges like 600LBS Long Welding Neck Flange , SO, WN, BL, SW, LJ etc., include 150lb, 300lb, 600lb, 900lb, 1500lb, 2500lb with raised face, flat face, tongue, groove face etc., which is precisely engineered in accordance with international quality standards totally.We offer these flanges in various dimensions as per the specifications provided by our clients. To gain optimum client satisfaction, we ensure safe packaging and prompt delivery of the ordered consignment.

Dimension of 600LBS Long Welding Neck Flange
Nominal Pipe Size Outside Diameter Thickness of Flange Min. O.D. of Raised Face Hub Diameter at Bevel Diameter of Bore Length Through Hub Diameter of Bolt Circle Number of Holes Diameter of Holes
O C R A B H H1 BC d
1″ 124. 0 17.5 50.8 54 25.4 228. 6 304. 8 88.9 4 19
1-1/4″ 133. 5 20.6 63.5 63.5 31.8 228. 6 304. 8 98.4 4 19
1-1/2″ 155. 5 22.2 73 69.8 38.1 228. 6 304. 8 114. 3 4 22.5
2″ 165. 0 25.4 92.1 82.5 50.8 228. 6 304. 8 127. 0 8 19
2-1/2″ 190. 5 28.6 104. 8 100. 0 63.5 228. 6 304. 8 149. 2 8 22.5
3″ 209. 5 31.8 127. 0 117. 5 76.2 228. 6 304. 8 168. 1 8 22.5
3-1/2″ 228. 5 34.9 139. 7 133. 4 88.9 228. 6 304. 8 184. 2 8 25.5
4″ 273. 0 38.1 157. 2 152. 4 101. 6 228. 6 304. 8 215. 9 8 25.5
5″ 330. 0 44.5 185. 7 190. 5 127. 0 228. 6 304. 8 266. 7 8 28.5
6″ 355. 5 47.6 215. 9 222. 2 152. 4 228. 6 304. 8 292. 1 12 28.5
8″ 419. 0 55.6 269. 9 273. 0 203. 2 228. 6 304. 8 349. 3 12 31.8
10″ 508. 0 63.5 323. 9 342. 9 254. 0 228. 6 304. 8 431. 8 16 35.1
12″ 559. 0 66.7 381. 0 400. 0 304. 8 228. 6 304. 8 489. 0 20 35.1
14″ 603. 5 69.9 412. 8 431. 8 355. 6 228. 6 304. 8 527. 1 20 38.1
16″ 686. 0 76.2 469. 9 495. 3 406. 4 228. 6 304. 8 603. 3 20 41.2
18″ 743. 0 82.6 533. 4 546. 1 457. 2 228. 6 304. 8 654. 1 20 44.5
20″ 813. 0 88.9 584. 2 609. 6 508. 0 228. 6 304. 8 723. 9 24 44.5
24″ 940. 0 101. 6 692. 2 717. 5 609. 6 228. 6 304. 8 838. 2 24 50.8

Elite offers a wide range of flanges like 900LBS Long Welding Neck Flange , SO, WN, BL, SW, LJ etc., include 150lb, 300lb, 600lb, 900lb, 1500lb, 2500lb with raised face, flat face, tongue, groove face etc., which is precisely engineered in accordance with international quality standards totally.We offer these flanges in various dimensions as per the specifications provided by our clients. To gain optimum client satisfaction, we ensure safe packaging and prompt delivery of the ordered consignment.

Dimension of 900LBS Long Welding Neck Flange
Nominal
Pipe
Size
Outside
Diameter
Thickness
of
Flange
Min.
O.D. of
Raised
Face
Hub
Diameter
at Bevel
Diameter
of Bore
Length Through Hub Diameter
of Bolt
Circle
Number
of Holes
Diameter
of Holes
O C R A B H H1 BC d
1″ 149. 5 28.6 50.8 52.4 25.4 228. 6 304. 8 101. 6 4 25.5
1-1/4″ 159. 0 28.6 63.5 63.5 31.8 228. 6 304. 8 111. 1 4 25.5
1-1/2″ 178. 0 31.8 73 69.9 38.1 228. 6 304. 8 123. 8 4 28.5
2″ 216. 0 38.1 92.1 104. 8 50.8 228. 6 304. 8 165. 1 8 25.5
2-1/2″ 244. 5 41.3 104. 8 123. 8 63.5 228. 6 304. 8 190. 5 8 28.5
3″ 241. 5 38.1 127. 0 127. 0 76.2 228. 6 304. 8 190. 5 8 25.5
4″ 292. 0 44.5 157. 2 158. 7 101. 6 228. 6 304. 8 235. 0 8 31.8
5″ 349. 5 50.8 185. 7 190. 5 127. 0 228. 6 304. 8 279. 4 8 35.1
6″ 381. 0 55.6 215. 9 235. 0 152. 4 228. 6 304. 8 317. 5 12 31.8
8″ 470. 0 63.5 269. 9 298. 5 203. 2 228. 6 304. 8 393. 7 12 38.1
10″ 546. 0 69.9 323. 9 368. 3 254. 0 228. 6 304. 8 469. 9 16 38.1
12″ 609. 5 79.4 381. 0 419. 1 304. 8 228. 6 304. 8 533. 4 20 38.1
14″ 641. 5 85.7 412. 8 450. 9 355. 6 228. 6 304. 8 558. 8 20 41
16″ 705. 0 88.9 469. 9 508. 0 406. 4 228. 6 304. 8 616. 0 20 44.5
18″ 787. 5 101. 6 533. 4 565. 2 457. 2 228. 6 304. 8 685. 8 20 50.8
20″ 857. 5 108. 0 584. 2 622. 3 508. 0 228. 6 304. 8 749. 3 20 54
24″ 1014.5 139. 7 692. 2 749. 3 609. 6 228. 6 304. 8 901. 7 20 66.5

Elite offers a wide range of flanges like 1500LBS Long Welding Neck Flange , SO, WN, BL, SW,LJ etc., include 150lb, 300lb, 600lb, 900lb, 1500lb, 2500lb with raised face, flat face, tongue, groove face etc., which is precisely engineered in accordance with international quality standards totally.We offer these flanges in various dimensions as per the specifications provided by our clients. To gain optimum client satisfaction, we ensure safe packaging and prompt delivery of the ordered consignment.

Dimension of 1500LBS Long Welding Neck Flange
Nominal
Pipe
Size
Outside
Diameter
Thickness
of
Flange
Min.
O.D. of
Raised
Face
Hub
Diameter
at Bevel
Diameter
of Bore
Length Through Hub Diameter
of Bolt
Circle
Number
of Holes
Diameter
of Holes
O C R A B H H1 BC d
1″ 149. 5 28.6 50.8 52.4 25.4 228. 6 304. 8 101. 6 4 25.5
1-1/4″ 159. 0 28.6 63.5 63.5 31.8 228. 6 304. 8 111. 1 4 25.5
1-1/2″ 178. 0 31.8 73 69.9 38.1 228. 6 304. 8 123. 8 4 28.5
2″ 216. 0 38.1 92.1 104. 8 50.8 228. 6 304. 8 165. 1 8 25.5
2-1/2″ 244. 5 41.3 104. 8 123. 8 63.5 228. 6 304. 8 190. 5 8 28.5
3″ 267. 0 47.6 127. 0 133. 4 76.2 228. 6 304. 8 203. 2 8 31.8
4″ 311. 0 54 157. 2 161. 9 101. 6 228. 6 304. 8 241. 3 8 35.1
5″ 374. 5 73 185. 7 196. 9 127. 0 228. 6 304. 8 292. 1 8 41
6″ 393. 5 82.6 215. 9 228. 6 152. 4 228. 6 304. 8 317. 5 12 38.1
8″ 483. 0 92.1 269. 9 292. 1 203. 2 228. 6 304. 8 393. 7 12 44.5
10″ 584. 0 108. 0 323. 9 368. 3 254. 0 406. 4 406. 4 482. 6 12 50.8
12″ 673. 0 123. 8 381. 0 450. 9 304. 8 406. 4 406. 4 571. 5 16 54
14″ 749. 5 133. 4 412. 8 495. 3 355. 6 635. 0 16 60.5
16″ 825. 5 146. 1 469. 9 552. 5 406. 4 704. 9 16 66.5
18″ 914. 5 161. 9 533. 4 596. 9 457. 2 774. 7 16 73
20″ 984. 0 177. 8 584. 2 641. 4 508. 0 831. 9 16 79.5
24″ 1168.5 203. 2 692. 2 762. 0 609. 6 990. 6 16 92

Elite offers a wide range of flanges like 2500LBS Long Welding Neck Flange ,SO, WN, BL, SW,LJ etc., include 150lb, 300lb, 600lb, 900lb, 1500lb, 2500lb with raised face, flat face, tongue, groove face etc., which is precisely engineered in accordance with international quality standards totally.We offer these flanges in various dimensions as per the specifications provided by our clients. To gain optimum client satisfaction, we ensure safe packaging and prompt delivery of the ordered consignment.

Dimension of 2500LBS Long Welding Neck Flange
Nominal
Pipe
Size
Outside
Diameter
Thickness
of
Flange
Min.
O.D. of
Raised
Face
Hub
Diameter
at Bevel
Diameter
of Bore
Length Through Hub Diameter
of Bolt
Circle
Number
of Holes
Diameter
of Holes
O C R A B H H1 BC d
1″ 159. 0 34.9 50.8 57.2 25.4 25.4 304. 8 108. 0 4 25.5
1-1/4″ 184. 0 38.1 63.5 73 31.8 31.8 304. 8 130. 2 4 28.5
1-1/2″ 203. 0 44.5 73 79.4 38.1 38.1 304. 8 146. 1 4 31.8
2″ 235. 0 50.8 92.1 95.3 50.8 50.8 304. 8 171. 5 8 28.5
2-1/2″ 267. 0 57.2 104. 8 114. 3 63.5 63.5 304. 8 196. 9 8 31.8
3″ 305. 0 66.7 127. 0 133. 4 76.2 76.2 304. 8 228. 6 8 35
4″ 355. 5 76.2 157. 2 165. 1 101. 6 101. 6 304. 8 273. 1 8 41
5″ 419. 0 92.1 185. 7 203. 2 127. 0 127. 0 304. 8 323. 9 8 48
6″ 483. 0 108. 0 215. 9 235. 0 152. 4 152. 4 304. 8 368. 3 8 54
8″ 552. 5 127. 0 269. 9 304. 8 203. 2 203. 2 304. 8 438. 2 12 54
10″ 673. 0 165. 1 323. 9 374. 7 254. 0 254. 0 406. 4 539. 8 12 66.5
12″ 762. 0 184. 2 381. 0 441. 3 304. 8 304. 8 406. 4 619. 1 12 73