Flanges
Fed up of ill-fitting and poor quality flanges?
After welding, flanges are the most commonly used method for attaching pipes, valves and pumps. If the quality of the flanges you use at your plant isn’t the best, you will only end up with broken and leaky pipes and fixtures. You certainly don’t want that happening, do you?
When buying flanges, your ultimate focus should be on quality, durability and availability of options that are right for you. At Forxar, you get all of this, along with world class customer service.
Why use ASME B16.5 Flanges?
- Heat code traceability
- 100% material annealed and passivated
- High quality steel finish
- Three chambers cleaning system
How does it work?
Flanges are used for connecting pipes, valves, pumps or other equipments. Usually, the flange is attached to the equipment using screws or welding. In case you need to attach multiple flanges together, they are attached using gaskets to make sure they fit properly and there is no leakage or gaps.
Where is it used?
Most commonly, flanges are used to fix equipments in the petrochemical industry. But being so versatile, it is now used almost everywhere. The oil and gas industry is another major industry that used flanges for fixing equipments.
Why buy from Forxar Industries?
Flanges might not be as significant as a valve, pipe or the actual equipment. But if the quality and functionality of the flanges isn’t perfect, it could result in serious loss and damage.
At Forxar industries, our products, flanges included, are approved for sale only after a through quality check. Unless our specialists have checked and double-checked the product, we don’t send it out to the customer.
When you buy flanges from Forxar, you never have to worry about leakage, breakage, damage or any quality issues.
We are 100% committed to quality and customer satisfaction.
Types |
|
Standards |
|
Size | 1/2” – 24” |
Pressure Rating | Class 150 to Class 2500 • PN 6 – PN 100 • Table D, E, F. |
Features |
|
DIMENSION OF CLASS 150 FLANGES
NB | NPS | O | W | d | n | t | T | R | X | Ah | T | Y | Y | Y | B | B | B | F |
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
N – 2 | L/J | S/O & S/W | W/N | L/J | S/O & S/W | W/N & S/W | L/J | |||||||||||
15 | 1/2 | 90 | 60.3 | 5/8 | 4 | 9.6 | 11.2 | 35 | 30 | 21.3 | 16 | 14 | 46 | 16 | 22.2 | 15.8 | 22.9 | 10 |
20 | 3/4 | 100 | 69.9 | 5/8 | 4 | 11.2 | 12.7 | 43 | 38 | 26.7 | 16 | 14 | 51 | 16 | 27.7 | 20.9 | 28.2 | 11 |
25 | 1 | 110 | 79.4 | 5/8 | 4 | 12.7 | 14.3 | 51 | 49 | 33.4 | 17 | 16 | 54 | 17 | 34.5 | 26.6 | 34.9 | 13 |
32 | 1 1/4 | 115 | 88.9 | 5/8 | 4 | 14.3 | 15.9 | 64 | 59 | 42.2 | 21 | 19 | 56 | 21 | 43.2 | 35.1 | 43.7 | 14 |
40 | 1 1/2 | 125 | 98.4 | 5/8 | 4 | 15.9 | 17.5 | 73 | 65 | 48.3 | 22 | 21 | 60 | 22 | 49.5 | 40.9 | 50.0 | 16 |
50 | 2 | 150 | 120.7 | 3/4 | 4 | 17.5 | 19.1 | 92 | 78 | 60.3 | 25 | 24 | 62 | 25 | 61.9 | 52.5 | 62.5 | 17 |
65 | 2 1/2 | 180 | 139.7 | 3/4 | 4 | 20.7 | 22.3 | 105 | 90 | 73.0 | 29 | 27 | 68 | 29 | 74.6 | 62.7 | 75.4 | 19 |
80 | 3 | 190 | 152.4 | 3/4 | 4 | 22.3 | 23.9 | 127 | 108 | 88.9 | 30 | 29 | 68 | 30 | 90.7 | 77.9 | 91.4 | 21 |
90 | 3 1/2 | 215 | 177.8 | 3/4 | 8 | 22.3 | 23.9 | 140 | 122 | 101.6 | 32 | 30 | 70 | 32 | 103.4 | 90.1 | 104.1 | . . . |
100 | 4 | 230 | 190.5 | 3/4 | 8 | 22.3 | 23.9 | 157 | 135 | 114.3 | 33 | 32 | 75 | 33 | 116.1 | 102.3 | 116.8 | . . . |
125 | 5 | 255 | 215.9 | 7/8 | 8 | 22.3 | 23.9 | 186 | 164 | 141.3 | 36 | 35 | 87 | 36 | 143.8 | 128.2 | 144.4 | . . . |
150 | 6 | 280 | 241.3 | 7/8 | 8 | 23.9 | 25.4 | 216 | 192 | 168.3 | 40 | 38 | 87 | 40 | 170.7 | 154.1 | 171.4 | . . . |
200 | 8 | 345 | 298.5 | 7/8 | 8 | 27.0 | 28.6 | 270 | 246 | 219.1 | 44 | 43 | 100 | 44 | 221.5 | 202.7 | 222.2 | . . . |
250 | 10 | 405 | 362.0 | 1 | 12 | 28.6 | 30.2 | 324 | 305 | 273.0 | 49 | 48 | 100 | 49 | 276.2 | 254.6 | 277.4 | . . . |
300 | 12 | 485 | 431.8 | 1 | 12 | 30.2 | 31.8 | 381 | 365 | 323.8 | 56 | 54 | 113 | 56 | 327.0 | 304.8 | 328.2 | . . . |
350 | 14 | 535 | 476.3 | 1 1/8 | 12 | 33.4 | 35.0 | 413 | 400 | 355.6 | 57 | 56 | 125 | 79 | 359.2 | Note (5) | 360.2 | . . . |
400 | 16 | 595 | 539.8 | 1 1/8 | 16 | 35.0 | 36.6 | 470 | 457 | 406.4 | 64 | 62 | 125 | 87 | 410.5 | Note (5) | 411.2 | . . . |
450 | 18 | 635 | 577.9 | 1 1/4 | 16 | 38.1 | 39.7 | 533 | 505 | 457.0 | 68 | 67 | 138 | 97 | 461.8 | Note (5) | 462.3 | . . . |
500 | 20 | 700 | 635.0 | 1 1/4 | 20 | 41.3 | 42.9 | 584 | 559 | 508.0 | 73 | 71 | 143 | 103 | 513.1 | Note (5) | 514.4 | . . . |
600 | 24 | 815 | 749.3 | 1 3/8 | 20 | 46.1 | 47.7 | 692 | 663 | 610.0 | 83 | 81 | 151 | 111 | 616.0 | Note (5) | 616.0 | . . . |
DIMENSION OF CLASS 300 FLANGES
NB | NPS | O | W | d | n | t | t | R | X | Ah | T | Y | Y | Y | B | B | B | F |
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
N – 2,3 | S/O & S/W | W/N | L/J | S/O & S/W | W/N & S/W | L/J | ||||||||||||
15 | 1/2 | 95 | 66.7 | 5/8 | 4 | 12.7 | 14.3 | 35 | 38 | 21.3 | 16 | 21 | 51 | 22 | 22.2 | 15.8 | 22.9 | 10 |
20 | 3/4 | 115 | 82.6 | 3/4 | 4 | 14.3 | 15.9 | 43 | 48 | 26.7 | 16 | 24 | 56 | 25 | 27.7 | 20.9 | 28.2 | 11 |
25 | 1 | 125 | 88.9 | 3/4 | 4 | 15.9 | 17.5 | 51 | 54 | 33.4 | 18 | 25 | 60 | 27 | 34.5 | 26.6 | 34.9 | 13 |
32 | 1 1/4 | 135 | 98.4 | 3/4 | 4 | 17.5 | 19.1 | 64 | 64 | 42.2 | 21 | 25 | 64 | 27 | 43.2 | 35.1 | 43.7 | 14 |
40 | 1 1/2 | 155 | 114.3 | 7/8 | 4 | 19.1 | 20.7 | 73 | 70 | 48.3 | 23 | 29 | 67 | 30 | 49.5 | 40.9 | 50.0 | 16 |
50 | 2 | 165 | 127.0 | 3/4 | 8 | 20.7 | 22.3 | 92 | 84 | 60.3 | 29 | 32 | 68 | 33 | 61.9 | 52.5 | 62.5 | 17 |
65 | 2 1/2 | 190 | 149.2 | 7/8 | 8 | 23.9 | 25.4 | 105 | 100 | 73.0 | 32 | 37 | 75 | 38 | 74.6 | 62.7 | 75.4 | 19 |
80 | 3 | 210 | 168.3 | 7/8 | 8 | 27.0 | 28.6 | 127 | 117 | 88.9 | 32 | 41 | 78 | 43 | 90.7 | 77.9 | 91.4 | 21 |
90 | 3 1/2 | 230 | 184.2 | 7/8 | 8 | 28.6 | 30.2 | 140 | 133 | 101.6 | 37 | 43 | 79 | 44 | 103.4 | 90.1 | 104.1 | . . . |
100 | 4 | 255 | 200.0 | 7/8 | 8 | 30.2 | 31.8 | 157 | 146 | 114.3 | 37 | 46 | 84 | 48 | 116.1 | 102.3 | 116.8 | . . . |
125 | 5 | 280 | 235.0 | 7/8 | 8 | 33.4 | 35.0 | 186 | 178 | 141.3 | 43 | 49 | 97 | 51 | 143.8 | 128.2 | 144.4 | . . . |
150 | 6 | 320 | 269.9 | 7/8 | 12 | 35.0 | 36.6 | 216 | 206 | 168.3 | 47 | 51 | 97 | 52 | 170.7 | 154.1 | 171.4 | . . . |
200 | 8 | 380 | 330.2 | 1 | 12 | 39.7 | 41.3 | 270 | 260 | 219.1 | 51 | 60 | 110 | 62 | 221.5 | 202.7 | 222.2 | . . . |
250 | 10 | 445 | 387.4 | .1 1/8 | 16 | 46.1 | 47.7 | 324 | 321 | 273.0 | 56 | 65 | 116 | 95 | 276.2 | 254.6 | 277.4 | . . . |
300 | 12 | 520 | 450.8 | 1 1/4 | 16 | 49.3 | 50.8 | 381 | 375 | 323.8 | 61 | 71 | 129 | 102 | 327.0 | 304.8 | 328.2 | . . . |
350 | 14 | 585 | 514.4 | 1 1/4 | 20 | 52.4 | 54.0 | 413 | 425 | 355.6 | 64 | 75 | 141 | 111 | 359.2 | Note (5) | 360.2 | . . . |
400 | 16 | 650 | 571.5 | 1 3/8 | 20 | 55.6 | 57.2 | 470 | 483 | 406.4 | 69 | 81 | 144 | 121 | 410.5 | Note (5) | 411.2 | . . . |
450 | 18 | 710 | 628.6 | 1 3/8 | 24 | 58.8 | 60.4 | 533 | 533 | 457.0 | 70 | 87 | 157 | 130 | 461.8 | Note (5) | 462.3 | . . . |
500 | 20 | 775 | 685.8 | 1 3/8 | 24 | 62.0 | 63.5 | 584 | 587 | 508.0 | 74 | 94 | 160 | 140 | 513.1 | Note (5) | 514.4 | . . . |
600 | 24 | 915 | 812.8 | 1 5/8 | 24 | 68.3 | 69.9 | 692 | 702 | 610.0 | 83 | 105 | 167 | 152 | 616.0 | Note (5) | 616.0 | . . . |
NOTES: (For 150# & 300# Class)
(1) This dimension is for large end of hub, which may be straight or tapered. Taper shall not exceed 7 deg on threaded, slip-on, socket-welding, and lapped flanges. This dimension is defined as the diameter at the intersection between the hub taper and back face of the flange.
(2) The minimum thickness of these loose flanges, in sizes NPS 3 ½ and smaller, is slightly greater than the thickness of flanges on fittings, which are reinforced by being cast integral with the body of the fitting.
(3) For Class 300 these flanges may be supplied with a flat face. The flat face may be either the full tf dimension of thickness plus 2 mm or the tf dimension thickness without the raised face height.
(4) Dimensions in Column 15 correspond to the inside diameters of pipe as given in ASME B36.10M for standard wall pipe. Thickness of standard wall is the same as Schedules.
(5) To be specified by the Purchaser.
(6) 2.0 mm (0.06 in.) raised face for Class 150 and 300 raised face flanges
DIMENSION OF CLASS 600 FLANGES
NB | NPS | O | W | d | n | t | R | X | Ah | T | Y | Y | Y | B | B | B | F |
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
S/O & S/W | W/N | L/J | S/O & S/W | W/N | L/J | ||||||||||||
15 | 1/2 | 95 | 66.7 | 5/8 | 4 | 14.3 | 35 | 38 | 21.3 | 16 | 22 | 52 | 22 | 22.2 | Note (2) | 22.9 | 10 |
20 | 3/4 | 115 | 82.6 | 3/4 | 4 | 15.9 | 43 | 48 | 26.7 | 16 | 25 | 57 | 25 | 27.7 | Note (2) | 28.2 | 11 |
25 | 1 | 125 | 88.9 | 3/4 | 4 | 17.5 | 51 | 54 | 33.4 | 18 | 27 | 62 | 27 | 34.5 | Note (2) | 34.9 | 13 |
32 | 1 1/4 | 135 | 98.4 | 3/4 | 4 | 20.7 | 64 | 64 | 42.2 | 21 | 29 | 67 | 29 | 43.2 | Note (2) | 43.7 | 14 |
40 | 1 1/2 | 155 | 114.3 | 7/8 | 4 | 22.3 | 73 | 70 | 48.3 | 23 | 32 | 70 | 32 | 49.5 | Note (2) | 50.0 | 16 |
50 | 2 | 165 | 127.0 | 3/4 | 8 | 25.4 | 92 | 84 | 60.3 | 29 | 37 | 73 | 37 | 61.9 | Note (2) | 62.5 | 17 |
65 | 2 1/2 | 190 | 149.2 | 7/8 | 8 | 28.6 | 105 | 100 | 73.0 | 32 | 41 | 79 | 41 | 74.6 | Note (2) | 75.4 | 19 |
80 | 3 | 210 | 168.3 | 7/8 | 8 | 31.8 | 127 | 117 | 88.9 | 35 | 46 | 83 | 46 | 90.7 | Note (2) | 91.4 | 21 |
90 | 3 1/2 | 230 | 184.2 | 1 | 8 | 35.0 | 140 | 133 | 101.6 | 40 | 49 | 86 | 49 | 103.4 | Note (2) | 104.1 | . . . |
100 | 4 | 275 | 215.9 | 1 | 8 | 38.1 | 157 | 152 | 114.3 | 42 | 54 | 102 | 54 | 116.1 | Note (2) | 116.8 | . . . |
125 | 5 | 330 | 266.7 | 1 1/8 | 8 | 44.5 | 186 | 189 | 141.3 | 48 | 60 | 114 | 60 | 143.8 | Note (2) | 144.4 | . . . |
150 | 6 | 355 | 292.1 | 1 1/8 | 12 | 47.7 | 216 | 222 | 168.3 | 51 | 67 | 117 | 67 | 170.7 | Note (2) | 171.4 | . . . |
200 | 8 | 420 | 349.2 | 1 1/4 | 12 | 55.6 | 270 | 273 | 219.1 | 58 | 76 | 133 | 76 | 221.5 | Note (2) | 222.2 | . . . |
250 | 10 | 510 | 431.8 | 1 3/8 | 16 | 63.5 | 324 | 343 | 273.0 | 66 | 86 | 152 | 111 | 276.2 | Note (2) | 277.4 | . . . |
300 | 12 | 560 | 489.0 | 1 3/8 | 20 | 66.7 | 381 | 400 | 323.8 | 70 | 92 | 156 | 117 | 327.0 | Note (2) | 328.2 | . . . |
350 | 14 | 605 | 527.0 | 1 1/2 | 20 | 69.9 | 413 | 432 | 355.6 | 74 | 94 | 165 | 127 | 359.2 | Note (2) | 360.2 | . . . |
400 | 16 | 685 | 603.2 | 1 5/8 | 20 | 76.2 | 470 | 495 | 406.4 | 78 | 106 | 178 | 140 | 410.5 | Note (2) | 411.2 | . . . |
450 | 18 | 745 | 654.0 | 1 3/4 | 20 | 82.6 | 533 | 546 | 457.0 | 80 | 117 | 184 | 152 | 461.8 | Note (2) | 462.3 | . . . |
500 | 20 | 815 | 723.9 | 1 3/4 | 24 | 88.9 | 584 | 610 | 508.0 | 83 | 127 | 190 | 165 | 513.1 | Note (2) | 514.4 | . . . |
600 | 24 | 940 | 838.2 | 2 | 24 | 101.6 | 692 | 718 | 610.0 | 93 | 140 | 203 | 184 | 616.0 | Note (2) | 616.0 | . . . |
DIMENSION OF CLASS 900 FLANGES
NB | NPS | O | W | d | n | t | R | X | Ah | T | Y | Y | Y | B | B | B |
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
N – 2 | N – 3 | S/O & THR. | W/N | L/J | S/O & S/W | N – 4 | L/J | |||||||||
80 | 3 | 240 | 190.5 | 1 | 8 | 38.1 | 127 | 127 | 88.9 | 42 | 54 | 102 | 54 | 90.7 | Note (2) | 91.4 |
100 | 4 | 290 | 235.0 | 1 1/4 | 8 | 44.5 | 157 | 159 | 114.3 | 48 | 70 | 114 | 70 | 116.1 | Note (2) | 116.8 |
125 | 5 | 350 | 279.4 | 1 3/8 | 8 | 50.8 | 186 | 190 | 141.3 | 54 | 79 | 127 | 79 | 143.8 | Note (2) | 144.4 |
150 | 6 | 380 | 317.5 | 1 1/4 | 12 | 55.6 | 216 | 235 | 168.3 | 58 | 86 | 140 | 86 | 170.7 | Note (2) | 171.4 |
200 | 8 | 470 | 393.7 | 1 1/2 | 12 | 63.5 | 270 | 298 | 219.1 | 64 | 102 | 162 | 114 | 221.5 | Note (2) | 222.2 |
250 | 10 | 545 | 469.9 | 1 1/2 | 16 | 69.9 | 324 | 368 | 273.0 | 72 | 108 | 184 | 127 | 276.2 | Note (2) | 277.4 |
300 | 12 | 610 | 533.4 | 1 1/2 | 20 | 79.4 | 381 | 419 | 323.8 | 77 | 117 | 200 | 143 | 327.0 | Note (2) | 328.2 |
350 | 14 | 640 | 558.8 | 1 5/8 | 20 | 85.8 | 413 | 451 | 355.6 | 83 | 130 | 213 | 156 | 359.2 | Note (2) | 360.2 |
400 | 16 | 705 | 616.0 | 1 3/4 | 20 | 88.9 | 470 | 508 | 406.4 | 86 | 133 | 216 | 165 | 410.5 | Note (2) | 411.2 |
450 | 18 | 785 | 685.8 | 2 | 20 | 101.6 | 533 | 565 | 457.0 | 89 | 152 | 229 | 190 | 461.8 | Note (2) | 462.3 |
500 | 20 | 855 | 749.3 | 2 1/8 | 20 | 108.0 | 584 | 622 | 508.0 | 93 | 159 | 248 | 210 | 513.1 | Note (2) | 514.4 |
600 | 24 | 1040 | 901.7 | 2 5/8 | 20 | 139.7 | 692 | 749 | 610.0 | 102 | 203 | 292 | 267 | 616.0 | Note (2) | 616.0 |
NOTES:
(1) This dimension is for the large end of the hub, which may be straight or tapered. Taper shall not exceed 7 deg on threaded, slip-on, socket- welding, and lapped flanges. This dimension is defined as the diameter at the intersection between the hub taper and back face of the flange.
(2) To be specified by the Purchaser.
(3) 7.0 mm (0.06 in.) raised face for Class 600 and 900 raised face flanges
(4) Socket welding flanges may be provided in NPS ½ to NPS 2 ½ , using Class 1500 dimensions.
DIMENSION OF CLASS 1500 FLANGES
NB | NPS | O | W | d | n | t | R | X | Ah | T | Y | Y | Y | B | B | B | F |
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
S/O & S/W | W/N | L/J | S/O & S/W | W/N | L/J | ||||||||||||
15 | ½ | 120 | 82.6 | 7/8 | 4 | 22.3 | 35 | 38 | 21.3 | 23 | 32 | 60 | 32 | 22.2 | Note (2) | 22.9 | 10 |
20 | 3/4 | 130 | 88.9 | 7/8 | 4 | 25.4 | 43 | 44 | 26.7 | 26 | 35 | 70 | 35 | 27.7 | Note (2) | 28.2 | 11 |
25 | 1 | 150 | 101.6 | 1 | 4 | 28.6 | 51 | 52 | 33.4 | 29 | 41 | 73 | 41 | 34.5 | Note (2) | 34.9 | 13 |
32 | 1 1/4 | 160 | 111.1 | 1 | 4 | 28.6 | 64 | 64 | 42.2 | 31 | 41 | 73 | 41 | 43.2 | Note (2) | 43.7 | 14 |
40 | 1 1/2 | 180 | 123.8 | 1 1/8 | 4 | 31.8 | 73 | 70 | 48.3 | 32 | 44 | 83 | 44 | 49.5 | Note (2) | 50.0 | 16 |
50 | 2 | 215 | 165.1 | 1 | 8 | 38.1 | 92 | 105 | 60.3 | 39 | 57 | 102 | 57 | 61.9 | Note (2) | 62.5 | 17 |
65 | 2 ½ | 245 | 190.5 | 1 1/8 | 8 | 41.3 | 105 | 124 | 73.0 | 48 | 64 | 105 | 64 | 74.6 | Note (2) | 75.4 | 19 |
80 | 3 | 265 | 203.2 | 1 1/4 | 8 | 47.7 | 127 | 133 | 88.9 | . . . | . . . | 117 | 73 | . . . | Note (2) | 91.4 | . . . |
100 | 4 | 310 | 241.3 | 1 3/8 | 8 | 54.0 | 157 | 162 | 114.3 | . . . | . . . | 124 | 90 | . . . | Note (2) | 116.8 | . . . |
125 | 5 | 375 | 292.1 | 1 5/8 | 8 | 73.1 | 186 | 197 | 141.3 | . . . | . . . | 156 | 105 | . . . | Note (2) | 144.4 | . . . |
150 | 6 | 395 | 317.5 | 1 1/2 | 12 | 82.6 | 216 | 229 | 168.3 | . . . | . . . | 171 | 119 | . . . | Note (2) | 171.4 | . . . |
200 | 8 | 485 | 393.7 | 1 3/4 | 12 | 92.1 | 270 | 292 | 219.1 | . . . | . . . | 213 | 143 | . . . | Note (2) | 222.2 | . . . |
250 | 10 | 585 | 482.6 | 2 | 12 | 108.0 | 324 | 368 | 273.0 | . . . | . . . | 254 | 178 | . . . | Note (2) | 277.4 | . . . |
300 | 12 | 675 | 571.5 | 2 1/8 | 16 | 123.9 | 381 | 451 | 323.8 | . . . | . . . | 283 | 219 | . . . | Note (2) | 328.2 | . . . |
350 | 14 | 750 | 635.0 | 2 3/8 | 16 | 133.4 | 413 | 495 | 355.6 | . . . | . . . | 298 | 241 | . . . | Note (2) | 360.2 | . . . |
400 | 16 | 825 | 704.8 | 2 5/8 | 16 | 146.1 | 470 | 552 | 406.4 | . . . | . . . | 311 | 260 | . . . | Note (2) | 411.2 | . . . |
450 | 18 | 915 | 774.7 | 2 7/8 | 16 | 162.0 | 533 | 597 | 457.0 | . . . | . . . | 327 | 276 | . . . | Note (2) | 462.3 | . . . |
500 | 20 | 985 | 831.8 | 3 1/8 | 16 | 177.8 | 584 | 641 | 508.0 | . . . | . . . | 356 | 292 | . . . | Note (2) | 514.4 | . . . |
600 | 24 | 1170 | 990.6 | 3 5/8 | 16 | 203.2 | 692 | 762 | 610.0 | . . . | . . . | 406 | 330 | . . . | Note (2) | 616.0 | . . . |
DIMENSION OF CLASS 2500 FLANGES
NB | NPS | O | W | d | n | t | R | X | Ah | T | Y | Y | Y | B | B |
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
S/O & S/W | W/N | L/J | W/N | L/J | |||||||||||
15 | ½ | 135 | 88.9 | 7/8 | 4 | 30.2 | 35 | 43 | 21.3 | 29 | 40 | 73 | 40 | Note (2) | 22.9 |
20 | 3/4 | 140 | 95.2 | 7/8 | 4 | 31.8 | 43 | 51 | 26.7 | 32 | 43 | 79 | 43 | Note (2) | 28.2 |
25 | 1 | 160 | 108.0 | 1 | 4 | 35.0 | 51 | 57 | 33.4 | 35 | 48 | 89 | 48 | Note (2) | 34.9 |
32 | 1 1/4 | 185 | 130.2 | 1 1/8 | 4 | 38.1 | 64 | 73 | 42.2 | 39 | 52 | 95 | 52 | Note (2) | 43.7 |
40 | 1 1/2 | 205 | 146.0 | 1 1/4 | 4 | 44.5 | 73 | 79 | 48.3 | 45 | 60 | 111 | 60 | Note (2) | 50.0 |
50 | 2 | 235 | 171.4 | 1 1/8 | 8 | 50.9 | 92 | 95 | 60.3 | 51 | 70 | 127 | 70 | Note (2) | 62.5 |
65 | 2 ½ | 265 | 196.8 | 1 1/4 | 8 | 57.2 | 105 | 114 | 73.0 | 58 | 79 | 143 | 79 | Note (2) | 75.4 |
80 | 3 | 305 | 228.6 | 1 3/8 | 8 | 66.7 | 127 | 133 | 88.9 | . . . | . . . | 168 | 92 | Note (2) | 91.4 |
100 | 4 | 355 | 273.0 | 1 5/8 | 8 | 76.2 | 157 | 165 | 114.3 | . . . | . . . | 190 | 108 | Note (2) | 116.8 |
125 | 5 | 420 | 323.8 | 1 7/8 | 8 | 92.1 | 186 | 203 | 141.3 | . . . | . . . | 229 | 130 | Note (2) | 144.4 |
150 | 6 | 485 | 368.3 | 2 1/8 | 8 | 108.0 | 216 | 235 | 168.3 | . . . | . . . | 273 | 152 | Note (2) | 171.4 |
200 | 8 | 550 | 438.2 | 2 1/8 | 12 | 127.0 | 270 | 305 | 219.1 | . . . | . . . | 318 | 178 | Note (2) | 222.2 |
250 | 10 | 675 | 539.8 | 2 5/8 | 12 | 165.1 | 324 | 375 | 273.0 | . . . | . . . | 419 | 229 | Note (2) | 277.4 |
300 | 12 | 760 | 619.1 | 2 7/8 | 12 | 184.2 | 381 | 441 | 323.8 | . . . | . . . | 464 | 254 | Note (2) | 328.2 |
NOTES:
(1) This dimension is for the large end of the hub, which may be straight or tapered. Taper shall not exceed 7 degree on threaded, slip-on, socket- welding and lapped flanges. This dimension is defined as the diameter at the intersection between the hub taper and back face of the flange.
(2) To be specified by the Purchaser.
(3) 7.0 mm (0.06 in.) raised face for Class 600 and 900 raised face flanges
(4) Socket welding flanges may be provided in NPS ½ to NPS 2 ½ , using Class 1500 dimensions.
APPROX. WEIGHTS OF FLANGES
Size | Weld Neck Flanges | Slip On Flanges | Blind Flanges | ||||||||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
Class | Class | Class | |||||||||||||||||
DN | NPS | 150 | 300 | 600 | 900 | 1500 | 2500 | 150 | 300 | 600 | 900 | 1500 | 2500 | 150 | 300 | 600 | 900 | 1500 | 2500 |
15 | 1/2 | 0.5 | 0.9 | 0.9 | . . . | 1.9 | 3.6 | 0.4 | 0.7 | 0.8 | . . . | 1.7 | . . . | 0.4 | 0.7 | 0.7 | . . . | 1.8 | 3.0 |
20 | 3/4 | 0.7 | 1.5 | 1.5 | . . . | 2.6 | 4.0 | 0.7 | 1.1 | 1.4 | . . . | 2.3 | . . . | 0.7 | 1.2 | 1.2 | . . . | 2.4 | 4.5 |
25 | 1 | 1.1 | 1.9 | 1.9 | . . . | 3.8 | 6.0 | 0.8 | 1.4 | 1.6 | . . . | 3.4 | . . . | 0.9 | 1.5 | 1.5 | . . . | 3.6 | 5.0 |
32 | 11/4 | 1.5 | 2.6 | 2.6 | . . . | 4.4 | 9.0 | 1.1 | 1.8 | 2.1 | . . . | 3.9 | . . . | 1.3 | 2.0 | 2.0 | . . . | 4.1 | 8.0 |
40 | 11/2 | 1.8 | 3.3 | 3.3 | . . . | 6.1 | 13.0 | 1.4 | 2.6 | 3.1 | . . . | 5.4 | . . . | 1.6 | 2.9 | 3.2 | . . . | 5.8 | 11.0 |
50 | 2 | 2.7 | 3.6 | 4.7 | . . . | 11.1 | 19.0 | 2.2 | 3.4 | 3.7 | . . . | 9.8 | . . . | 2.6 | 3.4 | 4.3 | . . . | 10.1 | 17.0 |
65 | 21/2 | 4.4 | 5.4 | 6.5 | . . . | 15.5 | 24.0 | 3.6 | 4.4 | 5.4 | . . . | 13.7 | . . . | 4.1 | 5.1 | 6.0 | . . . | 14.0 | 25.0 |
80 | 3 | 5.2 | 7.4 | 8.7 | 15.0 | 20.4 | 43.0 | 4.1 | 6.1 | 7.3 | 11.6 | 18.0 | . . . | 5.0 | 7.0 | 8.0 | 13.1 | 19.0 | 39.0 |
100 | 4 | 7.5 | 11.9 | 18.1 | 24.0 | 30.5 | 66.0 | 5.6 | 10.1 | 15.8 | 19.8 | 27.8 | . . . | 7.1 | 11.8 | 18.0 | 22.1 | 30.0 | 60.0 |
150 | 5 | 9.2 | 16.0 | 30.5 | 37.0 | 58.0 | 111.0 | 6.3 | 12.5 | 24.5 | 32.0 | 52.0 | . . . | 9.0 | 15.5 | 28.5 | 36.5 | 58.0 | 101.0 |
200 | 6 | 11.0 | 20.2 | 36.2 | 50.0 | 70.0 | 172.0 | 7.5 | 14.1 | 29.5 | 41.0 | 61.0 | . . . | 11.8 | 21.3 | 35.5 | 47.4 | 72.0 | 156.0 |
250 | 8 | 18.3 | 31.0 | 56.5 | 85.0 | 125.0 | 261.0 | 12.6 | 24.6 | 43.0 | 78.0 | 104.0 | . . . | 21.0 | 35.2 | 58.0 | 82.5 | 122.0 | 242.0 |
300 | 10 | 25.0 | 44.3 | 91.0 | 127.0 | 204.0 | 485.0 | 18.5 | 37.1 | 70.0 | 110.0 | 175.0 | . . . | 30.0 | 57.0 | 98.0 | 123.0 | 210.0 | 465.0 |
350 | 12 | 39.0 | 64.0 | 105.0 | 170.0 | 303.0 | 730.0 | 28.0 | 50.0 | 86.0 | 149.0 | 264.0 | . . . | 45.0 | 82.0 | 125.0 | 174.0 | 315.0 | 665.0 |
400 | 14 | 51.0 | 88.0 | 127.0 | 198.0 | 427.0 | . . . | 36.0 | 70.0 | 100.0 | 181.0 | . . . | . . . | 59.0 | 106.0 | 151.0 | 231.0 | 423.0 | . . . |
450 | 16 | 60.0 | 113.0 | 178.0 | 224.0 | 570.0 | . . . | 46.0 | 90.0 | 142.0 | 194.0 | . . . | . . . | 79.0 | 140.0 | 215.0 | 280.0 | 590.0 | . . . |
500 | 18 | 71.0 | 134.0 | 216.0 | 300.0 | 740.0 | . . . | 50.0 | 112.0 | 175.0 | 274.0 | . . . | . . . | 97.0 | 178.0 | 287.0 | 400.0 | 795.0 | . . . |
550 | 20 | 88.0 | 171.0 | 268.0 | 374.0 | 935.0 | . . . | 64.0 | 133.0 | 232.0 | 332.0 | . . . | . . . | 124.0 | 223.0 | 366.0 | 503.0 | 1030.0 | . . . |
600 | 24 | 119.0 | 238.0 | 380.0 | 680.0 | 1515.0 | . . . | 89.0 | 208.0 | 330.0 | 637.0 | . . . | . . . | 188.0 | 345.0 | 532.0 | 950.0 | 1650.0 | . . . |
Size | Lapped Flanges | Threaded Flanges | Socket Welding Flanges | ||||||||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
Class | Class | Class | |||||||||||||||||
DN | NPS | 150 | 300 | 600 | 900 | 1500 | 2500 | 150 | 300 | 600 | 900 | 1500 | 2500 | 150 | 300 | 600 | 900 | 1500 | 2500 |
15 | 1/2 | 0.4 | 0.7 | 0.8 | . . . | 1.7 | 3.0 | 0.4 | 0.7 | 1.0 | . . . | 1.7 | 3.0 | 0.4 | 0.7 | 1.0 | . . . | 1.7 | . . . |
20 | 3/4 | 0.7 | 1.1 | 1.4 | . . . | 2.3 | 4.0 | 0.7 | 1.2 | 1.6 | . . . | 2.4 | 4.0 | 0.7 | 1.2 | 1.6 | . . . | 2.4 | . . . |
25 | 1 | 0.8 | 1.4 | 1.6 | . . . | 3.4 | 5.0 | 0.9 | 1.4 | 1.8 | . . . | 3.5 | 5.0 | 0.8 | 1.4 | 1.8 | . . . | 3.5 | . . . |
32 | 11/4 | 1.1 | 1.8 | 2.1 | . . . | 3.9 | 8.0 | 1.2 | 1.9 | 2.6 | . . . | 4.0 | 8.0 | 1.1 | 1.9 | 2.6 | . . . | 4.0 | . . . |
40 | 11/2 | 1.4 | 2.6 | 3.1 | . . . | 5.4 | 11.0 | 1.5 | 2.8 | 3.3 | . . . | 5.5 | 11.0 | 1.4 | 2.8 | 3.3 | . . . | 5.5 | . . . |
50 | 2 | 2.2 | 3.4 | 3.7 | . . . | 9.8 | 17.0 | 2.3 | 3.3 | 3.9 | . . . | 10.0 | 17.0 | 2.2 | 3.3 | 3.9 | . . . | 10.0 | . . . |
65 | 21/2 | 3.6 | 4.4 | 5.4 | . . . | 13.7 | 25.0 | 3.7 | 4.6 | 6.0 | . . . | 13.9 | 25.0 | 3.6 | 4.6 | 6.0 | . . . | 13.9 | . . . |
80 | 3 | 4.1 | 6.1 | 7.3 | 11.6 | 18.0 | 38.0 | 4.2 | 6.3 | 7.4 | 11.9 | . . . | . . . | 4.1 | 6.3 | 7.4 | . . . | . . . | . . . |
100 | 4 | 5.6 | 10.1 | 15.8 | 19.8 | 27.8 | 58.0 | 5.9 | 10.2 | 17.0 | 20.0 | . . . | . . . | . . . | . . . | . . . | . . . | . . . | . . . |
150 | 5 | 6.3 | 12.5 | 24.5 | 32.0 | 52.0 | 95.0 | 7.0 | 12.9 | 26.5 | 32.5 | . . . | . . . | . . . | . . . | . . . | . . . | . . . | . . . |
200 | 6 | 7.5 | 14.1 | 29.5 | 41.2 | 61.0 | 146.0 | 8.4 | 18.0 | 32.0 | 41.7 | . . . | . . . | . . . | . . . | . . . | . . . | . . . | . . . |
250 | 8 | 12.6 | 24.8 | 43.0 | 75.0 | 104.0 | 220.0 | 13.0 | 26.0 | 46.0 | 77.5 | . . . | . . . | . . . | . . . | . . . | . . . | . . . | . . . |
300 | 10 | 18.5 | 42.0 | 77.0 | 115.0 | 220.0 | 420.0 | 17.8 | 37.5 | 74.0 | 110.0 | . . . | . . . | . . . | . . . | . . . | . . . | . . . | . . . |
350 | 12 | 28.0 | 64.0 | 92.0 | 155.0 | 287.0 | 500.0 | 29.5 | 52.0 | 90.0 | 149.0 | . . . | . . . | . . . | . . . | . . . | . . . | . . . | . . . |
400 | 14 | 42.0 | 84.0 | 114.0 | 170.0 | 405.0 | . . . | 39.0 | 72.0 | 108.0 | 181.0 | . . . | . . . | . . . | . . . | . . . | . . . | . . . | . . . |
450 | 16 | 52.0 | 114.0 | 160.0 | 210.0 | 525.0 | . . . | 42.0 | 100.0 | 150.0 | 194.0 | . . . | . . . | . . . | . . . | . . . | . . . | . . . | . . . |
500 | 18 | 58.0 | 134.0 | 192.0 | 298.0 | 670.0 | . . . | 54.0 | 126.0 | 188.0 | 274.0 | . . . | . . . | . . . | . . . | . . . | . . . | . . . | . . . |
550 | 20 | 74.0 | 168.0 | 260.0 | 370.0 | 810.0 | . . . | 68.0 | 148.0 | 230.0 | 332.0 | . . . | . . . | . . . | . . . | . . . | . . . | . . . | . . . |
600 | 24 | 101.0 | 250.0 | 368.0 | 710.0 | 1290.0 | . . . | 93.0 | 222.0 | 325.0 | 637.0 | . . . | . . . | . . . | . . . | . . . | . . . | . . . | . . . |
APPROX. WEIGHTS OF FLANGES
Materials | |
---|---|
Type Of Materials | Nomen. |
S S310 | S1 |
SS304 / ASTM A182 Gr. F304 | S4 |
SS304 L | S4L |
SS316 | S6 |
SS316L | S6L |
SS317 | S7 |
SS321 | S21 |
SS446 | S46 |
Monal 400 | M4 |
Incoloy 625 | I6 |
Incoloy 825 | I8 |
Carbon Steel | CS |
A105 | A1 |
Alloy 20 | A20 |
ASTM A182 F51 (Duplex F51) | F51 |
ASTM A182 F60 (Duplex F60) | F60 |
ASTM A182 F53 (Super Duplex F53) | F53 |
ASTM A312 TP 304L | P4L |
ASTM A182 F11 | F11 |
ASTM A182 Gr. F5 | F5 |
ASTM A312 TP 304 | TP4 |
Hastelloy C276 | HC2 |
A350 Gr. LF1/ LF2/ LF3 | LF2 |
SS410 | S41 |
ASTM A240 TP 316L | P6L |
Inconel-600 | I60 |
ASTM A234 Gr. WPB | WPB |
Mild Steel | MS |
Nickel Alloy | NA |
Galvanized | GLV |
Sizes | |
---|---|
Size | Nomen. |
1/8″ | 6 |
1/4″ | 8 |
3/8″ | 10 |
1/2″ | 15 |
3/4″ | 20 |
1″ | 25 |
1 1/4″ | 32 |
1 1/2″ | 40 |
2″ | 50 |
2 1/2″ | 65 |
3″ | 80 |
4″ | 100 |
5″ | 125 |
6″ | 150 |
8″ | 200 |
10″ | 250 |
12″ | 300 |
14″ | 350 |
16″ | 400 |
18″ | 450 |
20″ | 500 |
22″ | 550 |
24″ | 600 |
26″ | 650 |
28″ | 700 |
30″ | 750 |
32″ | 800 |
36″ | 900 |
Type of End Connections. | |
---|---|
Type | Nomen. |
Flange End | FL |
Butt Weld End | BW |
Socket Weld End | SW |
Tounge & Groove | TG |
Ring Type Joint | RTJ |
NPT Threaded | NT |
BSPT Threaded | BT |
SW NPT | SN |
Type Of Face | |
---|---|
Type | Nomen. |
Flat Face | FF |
Raised Face | RF |
Ring Type | RTJ |
Groove | GR |
Tounge | TNG |
Type Of Class | |
---|---|
Types | Nomen. |
Class 150 | #150 |
Class 300 | #300 |
Class 400 | #400 |
Class 600 | #600 |
Class 900 | #900 |
Class 1500 | #1500 |
Class 2500 | #2500 |
Class 4500 | #4500 |
Sch 10 | S10 |
Sch 20 | S20 |
Sch 40 | S40 |
Sch 80 | S80 |
Sch 160 | S160 |
Sch XXS | SXXS |
Table F | F |
Table E | E |
Table D | D |
Ex. 6” Slipon Raised Face #150 ASTM A182 SS 304 = -6-SO-RF-#150-