A weld neck flange Weight Chart in kg pdf provides standardized, pre-calculated weight values based on size and pressure class, helping engineers and procurement teams plan more efficiently. These charts are especially useful when space or weight limits are critical, reducing the chances of mismatch, delays, or safety issues during installation. At Pipex.ai, we offer accurate, up-to-date weight chart data for every flange product, helping clients manage procurement, logistics, and assembly with confidence and ease.
Class 150 Weld Neck Flange Dimensions
NPS (Normal Pipe Sizes) Size in Inch NPS (Normal Pipe Size) Size in Millimeter (Outer Diameter) O.D. Wall Thickness Of Flange Hub Outer Diameter Weld Neck Outer Diameter Welding Neck Length Bore Daimeter Diameter Of Raised Face Height Of Raised Face PCD Weld Face A B C D E F G H I J 1/2 15 90 9.6 30 21.3 46 - 34.9 2 60.3 1.6 3/4 20 100 11.2 38 26.7 51 42.9 2 69.9 1.6 1 25 110 12.7 49 33.4 54 50.8 2 79.4 1.6 1 1/4 32 115 14.3 59 42.2 56 63.5 2 88.9 1.6 1 1/2 40 125 15.9 65 48.3 60 73 2 98.4 1.6 2 50 150 17.5 78 60.3 62 92.1 2 120.7 1.6 2 1/2 65 180 20.7 90 73 68 104.8 2 139.7 1.6 3 80 190 22.3 108 88.9 68 127 2 152.4 1.6 3 1/2 90 215 22.3 122 101.6 70 139.7 2 177.8 1.6 4 100 230 22.3 135 114.3 75 157.2 2 190.5 1.6 5 125 255 22.3 164 141.3 87 185.7 2 215.9 1.6 6 150 280 23.9 192 168.3 87 215.9 2 241.3 1.6 8 200 345 27 246 219.1 100 269.9 2 298.5 1.6 10 250 405 28.6 305 273 100 323.8 2 362 1.6 12 300 485 30.2 365 323.8 113 381 2 431.8 1.6 14 350 535 33.4 400 355.6 125 412.8 2 476.3 1.6 16 400 595 35 457 406.4 125 469.9 2 539.8 1.6 18 450 635 38.1 505 457.2 138 533.4 2 577.9 1.6 20 500 700 41.3 559 508 143 584.2 2 635 1.6 24 600 815 46.1 663 610 151 692.2 2 749.3 1.6
NPS (Normal Pipe Sizes) Size in Inch | NPS (Normal Pipe Size) Size in Millimeter | (Outer Diameter) O.D. | Wall Thickness Of Flange | Hub Outer Diameter | Weld Neck Outer Diameter | Welding Neck Length | Bore Daimeter | Diameter Of Raised Face | Height Of Raised Face | PCD | Weld Face |
A | B | C | D | E | F | G | H | I | J | ||
1/2 | 15 | 90 | 9.6 | 30 | 21.3 | 46 | - | 34.9 | 2 | 60.3 | 1.6 |
3/4 | 20 | 100 | 11.2 | 38 | 26.7 | 51 | 42.9 | 2 | 69.9 | 1.6 | |
1 | 25 | 110 | 12.7 | 49 | 33.4 | 54 | 50.8 | 2 | 79.4 | 1.6 | |
1 1/4 | 32 | 115 | 14.3 | 59 | 42.2 | 56 | 63.5 | 2 | 88.9 | 1.6 | |
1 1/2 | 40 | 125 | 15.9 | 65 | 48.3 | 60 | 73 | 2 | 98.4 | 1.6 | |
2 | 50 | 150 | 17.5 | 78 | 60.3 | 62 | 92.1 | 2 | 120.7 | 1.6 | |
2 1/2 | 65 | 180 | 20.7 | 90 | 73 | 68 | 104.8 | 2 | 139.7 | 1.6 | |
3 | 80 | 190 | 22.3 | 108 | 88.9 | 68 | 127 | 2 | 152.4 | 1.6 | |
3 1/2 | 90 | 215 | 22.3 | 122 | 101.6 | 70 | 139.7 | 2 | 177.8 | 1.6 | |
4 | 100 | 230 | 22.3 | 135 | 114.3 | 75 | 157.2 | 2 | 190.5 | 1.6 | |
5 | 125 | 255 | 22.3 | 164 | 141.3 | 87 | 185.7 | 2 | 215.9 | 1.6 | |
6 | 150 | 280 | 23.9 | 192 | 168.3 | 87 | 215.9 | 2 | 241.3 | 1.6 | |
8 | 200 | 345 | 27 | 246 | 219.1 | 100 | 269.9 | 2 | 298.5 | 1.6 | |
10 | 250 | 405 | 28.6 | 305 | 273 | 100 | 323.8 | 2 | 362 | 1.6 | |
12 | 300 | 485 | 30.2 | 365 | 323.8 | 113 | 381 | 2 | 431.8 | 1.6 | |
14 | 350 | 535 | 33.4 | 400 | 355.6 | 125 | 412.8 | 2 | 476.3 | 1.6 | |
16 | 400 | 595 | 35 | 457 | 406.4 | 125 | 469.9 | 2 | 539.8 | 1.6 | |
18 | 450 | 635 | 38.1 | 505 | 457.2 | 138 | 533.4 | 2 | 577.9 | 1.6 | |
20 | 500 | 700 | 41.3 | 559 | 508 | 143 | 584.2 | 2 | 635 | 1.6 | |
24 | 600 | 815 | 46.1 | 663 | 610 | 151 | 692.2 | 2 | 749.3 | 1.6 |
Class 300 Weld Neck Flange Dimensions In MM
NPS (Normal Pipe Sizes) Size in Inch NPS (Normal Pipe Size) Size in Millimeter (Outer Diameter) O.D. Wall Thickness Of Flange Hub (O.D.) Outside Daimeter Weld Neck (O.D.) Outside Daimeter Welding Neck Length Bore Daimeter Diameter Of Raised Face Height Of Raised Face PCD Weld Face A B C D E F G H I J 1/2 15 95 12.7 38 21.3 51 Refer Note 34.9 2 66.7 1.6 3/4 20 115 14.3 48 26.7 56 42.9 2 82.6 1.6 1 25 125 15.9 54 33.4 60 50.8 2 88.9 1.6 1 1/4 32 135 17.5 64 42.2 64 63.5 2 98.4 1.6 1 1/2 40 155 19.1 70 48.3 67 73 2 114.3 1.6 2 50 165 20.7 84 60.3 68 92.1 2 127 1.6 2 1/2 65 190 23.9 100 73 75 104.8 2 149.2 1.6 3 80 210 27 117 88.9 78 127 2 168.3 1.6 3 1/2 90 230 28.6 133 101.6 79 139.7 2 184.2 1.6 4 100 255 30.2 146 114.3 84 157.2 2 200 1.6 5 125 280 33.4 178 141.3 97 185.7 2 235 1.6 6 150 320 35 206 168.3 97 215.9 2 269.9 1.6 8 200 380 39.7 260 219.1 110 269.9 2 330.2 1.6 10 250 445 46.1 321 273 116 323.8 2 387.4 1.6 12 300 520 49.3 375 323.8 129 381 2 450.8 1.6 14 350 585 52.4 425 355.6 141 412.8 2 514.4 1.6 16 400 650 55.6 483 406.4 144 469.9 2 571.5 1.6 18 450 710 58.8 533 457 157 533.4 2 628.6 1.6 20 500 775 62 587 508 160 584.2 2 685.8 1.6 24 600 915 68.3 702 610 167 692.2 2 812.8 1.6
NPS (Normal Pipe Sizes) Size in Inch | NPS (Normal Pipe Size) Size in Millimeter | (Outer Diameter) O.D. | Wall Thickness Of Flange | Hub (O.D.) Outside Daimeter | Weld Neck (O.D.) Outside Daimeter | Welding Neck Length | Bore Daimeter | Diameter Of Raised Face | Height Of Raised Face | PCD | Weld Face |
A | B | C | D | E | F | G | H | I | J | ||
1/2 | 15 | 95 | 12.7 | 38 | 21.3 | 51 | Refer Note | 34.9 | 2 | 66.7 | 1.6 |
3/4 | 20 | 115 | 14.3 | 48 | 26.7 | 56 | 42.9 | 2 | 82.6 | 1.6 | |
1 | 25 | 125 | 15.9 | 54 | 33.4 | 60 | 50.8 | 2 | 88.9 | 1.6 | |
1 1/4 | 32 | 135 | 17.5 | 64 | 42.2 | 64 | 63.5 | 2 | 98.4 | 1.6 | |
1 1/2 | 40 | 155 | 19.1 | 70 | 48.3 | 67 | 73 | 2 | 114.3 | 1.6 | |
2 | 50 | 165 | 20.7 | 84 | 60.3 | 68 | 92.1 | 2 | 127 | 1.6 | |
2 1/2 | 65 | 190 | 23.9 | 100 | 73 | 75 | 104.8 | 2 | 149.2 | 1.6 | |
3 | 80 | 210 | 27 | 117 | 88.9 | 78 | 127 | 2 | 168.3 | 1.6 | |
3 1/2 | 90 | 230 | 28.6 | 133 | 101.6 | 79 | 139.7 | 2 | 184.2 | 1.6 | |
4 | 100 | 255 | 30.2 | 146 | 114.3 | 84 | 157.2 | 2 | 200 | 1.6 | |
5 | 125 | 280 | 33.4 | 178 | 141.3 | 97 | 185.7 | 2 | 235 | 1.6 | |
6 | 150 | 320 | 35 | 206 | 168.3 | 97 | 215.9 | 2 | 269.9 | 1.6 | |
8 | 200 | 380 | 39.7 | 260 | 219.1 | 110 | 269.9 | 2 | 330.2 | 1.6 | |
10 | 250 | 445 | 46.1 | 321 | 273 | 116 | 323.8 | 2 | 387.4 | 1.6 | |
12 | 300 | 520 | 49.3 | 375 | 323.8 | 129 | 381 | 2 | 450.8 | 1.6 | |
14 | 350 | 585 | 52.4 | 425 | 355.6 | 141 | 412.8 | 2 | 514.4 | 1.6 | |
16 | 400 | 650 | 55.6 | 483 | 406.4 | 144 | 469.9 | 2 | 571.5 | 1.6 | |
18 | 450 | 710 | 58.8 | 533 | 457 | 157 | 533.4 | 2 | 628.6 | 1.6 | |
20 | 500 | 775 | 62 | 587 | 508 | 160 | 584.2 | 2 | 685.8 | 1.6 | |
24 | 600 | 915 | 68.3 | 702 | 610 | 167 | 692.2 | 2 | 812.8 | 1.6 |
Class 400 Weld Neck Flange Dimensions
NPS (Normal Pipe Sizes) Size in Inch NPS (Normal Pipe Size) Size in Millimeter (Outer Diameter) O.D. Wall Thickness Of Flange Hub (O.D.) Outside Daimeter Weld Neck (O.D.) Outside Daimeter Welding Neck Length Bore Daimeter Diameter Of Raised Face Height Of Raised Face PCD Weld Face A B C D E F G H I J 1/2 15 95 14.3 38 21.3 52 - 34.9 7 66.7 1.6 3/4 20 115 15.9 48 26.7 57 42.9 7 82.6 1.6 1 25 125 17.5 54 33.4 62 50.8 7 88.9 1.6 1 1/4 32 135 20.7 64 42.2 67 63.5 7 98.4 1.6 1 1/2 40 155 22.3 70 48.3 70 73 7 114.3 1.6 2 50 165 25.4 84 60.3 73 92.1 7 127 1.6 2 1/2 65 190 28.6 100 73 79 104.8 7 149.2 1.6 3 80 210 31.8 117 88.9 83 127 7 168.3 1.6 3 1/2 90 230 35 133 101.6 86 139.7 7 184.2 1.6 4 100 255 35 146 114.3 89 157.2 7 200 1.6 5 125 280 38.1 178 141.3 102 185.7 7 235 1.6 6 150 320 41.3 206 168.3 103 215.9 7 269.9 1.6 8 200 380 47.7 260 219.1 117 269.9 7 330 1.6 10 250 445 54 321 273 124 323.8 7 387.4 1.6 12 300 520 57.2 375 323.8 137 381 7 450.8 1.6 14 350 585 60.4 425 355.6 149 412.8 7 514.4 1.6 16 400 650 63.5 483 406.4 152 469.9 7 571.5 1.6 18 450 710 66.7 533 457 165 533.4 7 628.6 1.6 20 500 775 69.9 587 508 168 584.2 7 685.8 1.6 24 600 915 76.2 702 610 175 692.2 7 812.8 1.6
NPS (Normal Pipe Sizes) Size in Inch | NPS (Normal Pipe Size) Size in Millimeter | (Outer Diameter) O.D. | Wall Thickness Of Flange | Hub (O.D.) Outside Daimeter | Weld Neck (O.D.) Outside Daimeter | Welding Neck Length | Bore Daimeter | Diameter Of Raised Face | Height Of Raised Face | PCD | Weld Face |
A | B | C | D | E | F | G | H | I | J | ||
1/2 | 15 | 95 | 14.3 | 38 | 21.3 | 52 | - | 34.9 | 7 | 66.7 | 1.6 |
3/4 | 20 | 115 | 15.9 | 48 | 26.7 | 57 | 42.9 | 7 | 82.6 | 1.6 | |
1 | 25 | 125 | 17.5 | 54 | 33.4 | 62 | 50.8 | 7 | 88.9 | 1.6 | |
1 1/4 | 32 | 135 | 20.7 | 64 | 42.2 | 67 | 63.5 | 7 | 98.4 | 1.6 | |
1 1/2 | 40 | 155 | 22.3 | 70 | 48.3 | 70 | 73 | 7 | 114.3 | 1.6 | |
2 | 50 | 165 | 25.4 | 84 | 60.3 | 73 | 92.1 | 7 | 127 | 1.6 | |
2 1/2 | 65 | 190 | 28.6 | 100 | 73 | 79 | 104.8 | 7 | 149.2 | 1.6 | |
3 | 80 | 210 | 31.8 | 117 | 88.9 | 83 | 127 | 7 | 168.3 | 1.6 | |
3 1/2 | 90 | 230 | 35 | 133 | 101.6 | 86 | 139.7 | 7 | 184.2 | 1.6 | |
4 | 100 | 255 | 35 | 146 | 114.3 | 89 | 157.2 | 7 | 200 | 1.6 | |
5 | 125 | 280 | 38.1 | 178 | 141.3 | 102 | 185.7 | 7 | 235 | 1.6 | |
6 | 150 | 320 | 41.3 | 206 | 168.3 | 103 | 215.9 | 7 | 269.9 | 1.6 | |
8 | 200 | 380 | 47.7 | 260 | 219.1 | 117 | 269.9 | 7 | 330 | 1.6 | |
10 | 250 | 445 | 54 | 321 | 273 | 124 | 323.8 | 7 | 387.4 | 1.6 | |
12 | 300 | 520 | 57.2 | 375 | 323.8 | 137 | 381 | 7 | 450.8 | 1.6 | |
14 | 350 | 585 | 60.4 | 425 | 355.6 | 149 | 412.8 | 7 | 514.4 | 1.6 | |
16 | 400 | 650 | 63.5 | 483 | 406.4 | 152 | 469.9 | 7 | 571.5 | 1.6 | |
18 | 450 | 710 | 66.7 | 533 | 457 | 165 | 533.4 | 7 | 628.6 | 1.6 | |
20 | 500 | 775 | 69.9 | 587 | 508 | 168 | 584.2 | 7 | 685.8 | 1.6 | |
24 | 600 | 915 | 76.2 | 702 | 610 | 175 | 692.2 | 7 | 812.8 | 1.6 |
Class 600 Weld Neck Flange Dimensions
NPS (Normal Pipe Sizes) Size in Inch NPS (Normal Pipe Size) Size in Millimeter (Outer Diameter) O.D. Wall Thickness Of Flange Hub (O.D.) Outside Daimeter Weld Neck (O.D.) Outside Daimeter Welding Neck Length Bore Daimeter Diameter Of Raised Face Height Of Raised Face PCD Weld Face A B C D E F G H I J 1/2 15 95 14.3 38 21.3 52 - 34.9 7 66.7 1.6 3/4 20 115 15.9 48 26.7 57 42.9 7 82.6 1.6 1 25 125 17.5 54 33.4 62 50.8 7 88.9 1.6 1 1/4 32 135 20.7 64 42.2 67 63.5 7 98.4 1.6 1 1/2 40 155 22.3 70 48.3 70 73 7 114.3 1.6 2 50 165 25.4 84 60.3 73 92.1 7 127 1.6 2 1/2 65 190 28.6 100 73 79 104.8 7 149.2 1.6 3 80 210 31.8 117 88.9 83 127 7 168.3 1.6 3 1/2 90 230 35 133 101.6 86 139.7 7 184.2 1.6 4 100 275 38.1 152 114.3 102 157.2 7 215.9 1.6 5 125 330 44.5 189 141.3 114 185.7 7 266.7 1.6 6 150 355 47.7 222 168.3 117 215.9 7 292.1 1.6 8 200 420 55.6 273 219.1 133 269.9 7 349.2 1.6 10 250 510 63.5 343 273 152 323.8 7 431.8 1.6 12 300 560 66.7 400 323.8 156 381 7 489 1.6 14 350 605 69.9 432 355.6 165 412.8 7 527 1.6 16 400 685 76.2 495 406.4 178 469.9 7 603.2 1.6 18 450 745 82.6 546 457 184 533.4 7 654 1.6 20 500 815 88.9 610 508 190 584.2 7 723.9 1.6 24 600 940 101.6 718 610 203 692.2 7 838.2 1.6
NPS (Normal Pipe Sizes) Size in Inch | NPS (Normal Pipe Size) Size in Millimeter | (Outer Diameter) O.D. | Wall Thickness Of Flange | Hub (O.D.) Outside Daimeter | Weld Neck (O.D.) Outside Daimeter | Welding Neck Length | Bore Daimeter | Diameter Of Raised Face | Height Of Raised Face | PCD | Weld Face |
A | B | C | D | E | F | G | H | I | J | ||
1/2 | 15 | 95 | 14.3 | 38 | 21.3 | 52 | - | 34.9 | 7 | 66.7 | 1.6 |
3/4 | 20 | 115 | 15.9 | 48 | 26.7 | 57 | 42.9 | 7 | 82.6 | 1.6 | |
1 | 25 | 125 | 17.5 | 54 | 33.4 | 62 | 50.8 | 7 | 88.9 | 1.6 | |
1 1/4 | 32 | 135 | 20.7 | 64 | 42.2 | 67 | 63.5 | 7 | 98.4 | 1.6 | |
1 1/2 | 40 | 155 | 22.3 | 70 | 48.3 | 70 | 73 | 7 | 114.3 | 1.6 | |
2 | 50 | 165 | 25.4 | 84 | 60.3 | 73 | 92.1 | 7 | 127 | 1.6 | |
2 1/2 | 65 | 190 | 28.6 | 100 | 73 | 79 | 104.8 | 7 | 149.2 | 1.6 | |
3 | 80 | 210 | 31.8 | 117 | 88.9 | 83 | 127 | 7 | 168.3 | 1.6 | |
3 1/2 | 90 | 230 | 35 | 133 | 101.6 | 86 | 139.7 | 7 | 184.2 | 1.6 | |
4 | 100 | 275 | 38.1 | 152 | 114.3 | 102 | 157.2 | 7 | 215.9 | 1.6 | |
5 | 125 | 330 | 44.5 | 189 | 141.3 | 114 | 185.7 | 7 | 266.7 | 1.6 | |
6 | 150 | 355 | 47.7 | 222 | 168.3 | 117 | 215.9 | 7 | 292.1 | 1.6 | |
8 | 200 | 420 | 55.6 | 273 | 219.1 | 133 | 269.9 | 7 | 349.2 | 1.6 | |
10 | 250 | 510 | 63.5 | 343 | 273 | 152 | 323.8 | 7 | 431.8 | 1.6 | |
12 | 300 | 560 | 66.7 | 400 | 323.8 | 156 | 381 | 7 | 489 | 1.6 | |
14 | 350 | 605 | 69.9 | 432 | 355.6 | 165 | 412.8 | 7 | 527 | 1.6 | |
16 | 400 | 685 | 76.2 | 495 | 406.4 | 178 | 469.9 | 7 | 603.2 | 1.6 | |
18 | 450 | 745 | 82.6 | 546 | 457 | 184 | 533.4 | 7 | 654 | 1.6 | |
20 | 500 | 815 | 88.9 | 610 | 508 | 190 | 584.2 | 7 | 723.9 | 1.6 | |
24 | 600 | 940 | 101.6 | 718 | 610 | 203 | 692.2 | 7 | 838.2 | 1.6 |
Class 900 Weld Neck Flange Dimensions In MM
NPS (Normal Pipe Sizes) Size in Inch NPS (Normal Pipe Size) Size in Millimeter (Outer Diameter) O.D. Wall Thickness Of Flange Hub (O.D.) Outside Daimeter Weld Neck (O.D.) Outside Daimeter Welding Neck Length Bore Daimeter Diameter Of Raised Face Height Of Raised Face PCD Weld Face A B C D E F G H I J 1/2 15 120 22.3 38 21.3 60 Refer Note 34.9 7 82.6 1.6 3/4 20 130 25.4 44 26.7 70 42.9 7 88.9 1.6 1 25 150 28.6 52 33.4 73 50.8 7 101.6 1.6 1 1/4 32 160 28.6 64 42.2 73 63.5 7 111.1 1.6 1 1/2 40 180 31.8 70 48.3 83 73 7 123.8 1.6 2 50 215 38.1 105 60.3 102 92.1 7 165.1 1.6 2 1/2 65 245 41.3 124 73 105 104.8 7 190.5 1.6 3 80 240 38.1 127 88.9 102 127 7 190.5 1.6 4 100 290 44.5 159 114.3 114 157.2 7 235 1.6 5 125 350 50.8 190 141.3 127 185.7 7 279.4 1.6 6 150 380 55.6 235 168.3 140 215.9 7 317.5 1.6 8 200 470 63.5 298 219.1 162 269.9 7 393.7 1.6 10 250 545 69.9 368 273 184 323.8 7 469.9 1.6 12 300 610 79.4 419 323.8 200 381 7 533.4 1.6 14 350 640 85.8 451 355.6 213 412.8 7 558.8 1.6 16 400 705 88.9 508 406.4 216 469.9 7 616 1.6 18 450 785 101.6 565 457 229 533.4 7 685.8 1.6 20 500 855 108 622 508 248 584.2 7 749.3 1.6 24 600 1040 139.7 749 610 292 692.2 7 901.7 1.6
NPS (Normal Pipe Sizes) Size in Inch | NPS (Normal Pipe Size) Size in Millimeter | (Outer Diameter) O.D. | Wall Thickness Of Flange | Hub (O.D.) Outside Daimeter | Weld Neck (O.D.) Outside Daimeter | Welding Neck Length | Bore Daimeter | Diameter Of Raised Face | Height Of Raised Face | PCD | Weld Face |
A | B | C | D | E | F | G | H | I | J | ||
1/2 | 15 | 120 | 22.3 | 38 | 21.3 | 60 | Refer Note | 34.9 | 7 | 82.6 | 1.6 |
3/4 | 20 | 130 | 25.4 | 44 | 26.7 | 70 | 42.9 | 7 | 88.9 | 1.6 | |
1 | 25 | 150 | 28.6 | 52 | 33.4 | 73 | 50.8 | 7 | 101.6 | 1.6 | |
1 1/4 | 32 | 160 | 28.6 | 64 | 42.2 | 73 | 63.5 | 7 | 111.1 | 1.6 | |
1 1/2 | 40 | 180 | 31.8 | 70 | 48.3 | 83 | 73 | 7 | 123.8 | 1.6 | |
2 | 50 | 215 | 38.1 | 105 | 60.3 | 102 | 92.1 | 7 | 165.1 | 1.6 | |
2 1/2 | 65 | 245 | 41.3 | 124 | 73 | 105 | 104.8 | 7 | 190.5 | 1.6 | |
3 | 80 | 240 | 38.1 | 127 | 88.9 | 102 | 127 | 7 | 190.5 | 1.6 | |
4 | 100 | 290 | 44.5 | 159 | 114.3 | 114 | 157.2 | 7 | 235 | 1.6 | |
5 | 125 | 350 | 50.8 | 190 | 141.3 | 127 | 185.7 | 7 | 279.4 | 1.6 | |
6 | 150 | 380 | 55.6 | 235 | 168.3 | 140 | 215.9 | 7 | 317.5 | 1.6 | |
8 | 200 | 470 | 63.5 | 298 | 219.1 | 162 | 269.9 | 7 | 393.7 | 1.6 | |
10 | 250 | 545 | 69.9 | 368 | 273 | 184 | 323.8 | 7 | 469.9 | 1.6 | |
12 | 300 | 610 | 79.4 | 419 | 323.8 | 200 | 381 | 7 | 533.4 | 1.6 | |
14 | 350 | 640 | 85.8 | 451 | 355.6 | 213 | 412.8 | 7 | 558.8 | 1.6 | |
16 | 400 | 705 | 88.9 | 508 | 406.4 | 216 | 469.9 | 7 | 616 | 1.6 | |
18 | 450 | 785 | 101.6 | 565 | 457 | 229 | 533.4 | 7 | 685.8 | 1.6 | |
20 | 500 | 855 | 108 | 622 | 508 | 248 | 584.2 | 7 | 749.3 | 1.6 | |
24 | 600 | 1040 | 139.7 | 749 | 610 | 292 | 692.2 | 7 | 901.7 | 1.6 |
Class 1500 Weld Neck Flange Dimensions In MM
Size in Inch NPS (Normal Pipe Size) Size in Millimeter (Outer Diameter) O.D. Wall Thickness Of Flange Hub (O.D.) Outside Daimeter Weld Neck (O.D.) Outside Daimeter Welding Neck Length Bore Daimeter Diameter Of Raised Face Height Of Raised Face PCD Weld Face A B C D E F G H I J 1/2 15 120 22.3 38 21.3 60 - 34.9 7 82.6 1.6 3/4 20 130 25.4 44 26.7 70 42.9 7 88.9 1.6 1 25 150 28.6 52 33.4 73 50.8 7 101.6 1.6 1 1/4 32 160 28.6 64 42.2 73 63.5 7 111.1 1.6 1 1/2 40 180 31.8 70 48.3 83 73 7 123.8 1.6 2 50 215 38.1 105 60.3 102 92.1 7 165.1 1.6 2 1/2 65 245 41.3 124 73 105 104.8 7 190.5 1.6 3 80 265 47.7 133 88.9 117 127 7 203.2 1.6 4 100 310 54 162 114.3 124 157.2 7 241.3 1.6 5 125 375 73.1 197 141.3 156 185.7 7 292.1 1.6 6 150 395 82.6 229 168.3 171 215.9 7 317.5 1.6 8 200 485 92.1 292 219.1 213 269.9 7 393.7 1.6 10 250 585 108 368 273 254 323.8 7 482.6 1.6 12 300 675 123.9 451 323.8 283 381 7 571.5 1.6 14 350 750 133.4 495 355.6 298 412.8 7 635 1.6 16 400 825 146.1 552 406.4 311 469.9 7 704.8 1.6 18 450 915 162 597 457 327 533.4 7 774.7 1.6 20 500 985 177.8 641 508 356 584.2 7 831.8 1.6 24 600 1170 203.2 762 610 406 692.2 7 990.6 1.6
Size in Inch | NPS (Normal Pipe Size) Size in Millimeter | (Outer Diameter) O.D. | Wall Thickness Of Flange | Hub (O.D.) Outside Daimeter | Weld Neck (O.D.) Outside Daimeter | Welding Neck Length | Bore Daimeter | Diameter Of Raised Face | Height Of Raised Face | PCD | Weld Face |
A | B | C | D | E | F | G | H | I | J | ||
1/2 | 15 | 120 | 22.3 | 38 | 21.3 | 60 | - | 34.9 | 7 | 82.6 | 1.6 |
3/4 | 20 | 130 | 25.4 | 44 | 26.7 | 70 | 42.9 | 7 | 88.9 | 1.6 | |
1 | 25 | 150 | 28.6 | 52 | 33.4 | 73 | 50.8 | 7 | 101.6 | 1.6 | |
1 1/4 | 32 | 160 | 28.6 | 64 | 42.2 | 73 | 63.5 | 7 | 111.1 | 1.6 | |
1 1/2 | 40 | 180 | 31.8 | 70 | 48.3 | 83 | 73 | 7 | 123.8 | 1.6 | |
2 | 50 | 215 | 38.1 | 105 | 60.3 | 102 | 92.1 | 7 | 165.1 | 1.6 | |
2 1/2 | 65 | 245 | 41.3 | 124 | 73 | 105 | 104.8 | 7 | 190.5 | 1.6 | |
3 | 80 | 265 | 47.7 | 133 | 88.9 | 117 | 127 | 7 | 203.2 | 1.6 | |
4 | 100 | 310 | 54 | 162 | 114.3 | 124 | 157.2 | 7 | 241.3 | 1.6 | |
5 | 125 | 375 | 73.1 | 197 | 141.3 | 156 | 185.7 | 7 | 292.1 | 1.6 | |
6 | 150 | 395 | 82.6 | 229 | 168.3 | 171 | 215.9 | 7 | 317.5 | 1.6 | |
8 | 200 | 485 | 92.1 | 292 | 219.1 | 213 | 269.9 | 7 | 393.7 | 1.6 | |
10 | 250 | 585 | 108 | 368 | 273 | 254 | 323.8 | 7 | 482.6 | 1.6 | |
12 | 300 | 675 | 123.9 | 451 | 323.8 | 283 | 381 | 7 | 571.5 | 1.6 | |
14 | 350 | 750 | 133.4 | 495 | 355.6 | 298 | 412.8 | 7 | 635 | 1.6 | |
16 | 400 | 825 | 146.1 | 552 | 406.4 | 311 | 469.9 | 7 | 704.8 | 1.6 | |
18 | 450 | 915 | 162 | 597 | 457 | 327 | 533.4 | 7 | 774.7 | 1.6 | |
20 | 500 | 985 | 177.8 | 641 | 508 | 356 | 584.2 | 7 | 831.8 | 1.6 | |
24 | 600 | 1170 | 203.2 | 762 | 610 | 406 | 692.2 | 7 | 990.6 | 1.6 |
SS Weld Neck Flange Dimensions Class 2500
Size in Inch NPS (Normal Pipe Size) Size in Millimeter (Outer Diameter) O.D. Wall Thickness Of Flange Hub (O.D.) Outside Daimeter Weld Neck (O.D.) Outside Daimeter Welding Neck Length Bore Daimeter Diameter Of Raised Face Height Of Raised Face PCD Weld Face A B C D E F G H I J 1/2 15 135 30.2 43 21.3 73 - 34.9 7 88.9 1.6 3/4 20 140 31.8 51 26.7 79 42.9 7 95.2 1.6 1 25 160 35 57 33.4 89 50.8 7 108 1.6 1 1/4 32 185 38.1 73 42.2 95 63.5 7 130.2 1.6 1 1/2 40 205 44.5 79 48.3 111 73 7 146 1.6 2 50 235 50.9 95 60.3 127 92.1 7 171.4 1.6 2 1/2 65 265 57.2 114 73 143 104.8 7 196.8 1.6 3 80 305 66.7 133 88.9 168 127 7 228.6 1.6 4 100 355 76.2 165 114.3 190 157.2 7 273 1.6 5 125 420 92.1 203 141.3 229 185.7 7 323.8 1.6 6 150 485 108 235 168.3 273 215.9 7 368.3 1.6 8 200 550 127 305 219.1 318 269.9 7 438.2 1.6 10 250 675 165.1 375 273 419 323.8 7 539.8 1.6 12 300 760 184.2 441 323.8 464 381 7 619.1 1.6
Size in Inch | NPS (Normal Pipe Size) Size in Millimeter | (Outer Diameter) O.D. | Wall Thickness Of Flange | Hub (O.D.) Outside Daimeter | Weld Neck (O.D.) Outside Daimeter | Welding Neck Length | Bore Daimeter | Diameter Of Raised Face | Height Of Raised Face | PCD | Weld Face |
A | B | C | D | E | F | G | H | I | J | ||
1/2 | 15 | 135 | 30.2 | 43 | 21.3 | 73 | - | 34.9 | 7 | 88.9 | 1.6 |
3/4 | 20 | 140 | 31.8 | 51 | 26.7 | 79 | 42.9 | 7 | 95.2 | 1.6 | |
1 | 25 | 160 | 35 | 57 | 33.4 | 89 | 50.8 | 7 | 108 | 1.6 | |
1 1/4 | 32 | 185 | 38.1 | 73 | 42.2 | 95 | 63.5 | 7 | 130.2 | 1.6 | |
1 1/2 | 40 | 205 | 44.5 | 79 | 48.3 | 111 | 73 | 7 | 146 | 1.6 | |
2 | 50 | 235 | 50.9 | 95 | 60.3 | 127 | 92.1 | 7 | 171.4 | 1.6 | |
2 1/2 | 65 | 265 | 57.2 | 114 | 73 | 143 | 104.8 | 7 | 196.8 | 1.6 | |
3 | 80 | 305 | 66.7 | 133 | 88.9 | 168 | 127 | 7 | 228.6 | 1.6 | |
4 | 100 | 355 | 76.2 | 165 | 114.3 | 190 | 157.2 | 7 | 273 | 1.6 | |
5 | 125 | 420 | 92.1 | 203 | 141.3 | 229 | 185.7 | 7 | 323.8 | 1.6 | |
6 | 150 | 485 | 108 | 235 | 168.3 | 273 | 215.9 | 7 | 368.3 | 1.6 | |
8 | 200 | 550 | 127 | 305 | 219.1 | 318 | 269.9 | 7 | 438.2 | 1.6 | |
10 | 250 | 675 | 165.1 | 375 | 273 | 419 | 323.8 | 7 | 539.8 | 1.6 | |
12 | 300 | 760 | 184.2 | 441 | 323.8 | 464 | 381 | 7 | 619.1 | 1.6 |
ASTM A182 F304 SS Weld Neck Flange Tolerance Chart
Stainless Steel Weld Neck Flange Tolerance Table A O.D. (Outside Diameter) - When O.D. (Outside Diameter) is 24" or less: ±1/16" (1.6 millimeter)
- When O.D. (Outside Diameter) is over 24": ±1/8" (3.2 millimeter)
D Inside Diameter (I.D.) - 10" and smaller: ±1/32" (0.8 mm)
- 12" thru 18": +1/8" (3.2 mm)
- 20" and larger: -1/16" (1.6 mm)
B Diameter of contact face - 1/16" raised face: ±1/32" (0.8 mm)
- 1/4" RF (Raised Face), T/G (Tongue & Groove), (male & female), (m/f): ±1/64" (0.4 millimeter)
J Diameter of hub at base - When hub base is 24" or smaller: ±1/16" (1.6 millimeter)
- When hub base is over 24": ±1/8" (3.2 millimeter)
H Diameter of hub at point of welding - 5" and smaller: +3/32" (2.4 mm), -1/32" (0.8 mm)
- 6" and larger: +5/32" (4.0 mm), -1/32 (0.8 mm)
P Drilling - Circle Bolts: ±1/16" (1.6 mm)
- Bolts hole spacing: ±1/32" (0.8 mm)
Eccentricity of bolt circle with respect to facing - 2 1/2" and smaller ±1/32" (0.8 mm) maximum
- 3" and larger ±1/16" (1.6 mm) maximum
C Thickness - 18" and smaller: ±1/8" (3.2 mm), -0"
- 20" and larger: ±3/16" (4.8 mm), -0"
K Length of hub - 10" and smaller: ±1/16" (1.6 mm)
- 12" and larger: ±1/8" (3.2 mm)
Stainless Steel Weld Neck Flange | Tolerance Table | |
---|---|---|
A | O.D. (Outside Diameter) |
|
D | Inside Diameter (I.D.) |
|
B | Diameter of contact face |
|
J | Diameter of hub at base |
|
H | Diameter of hub at point of welding |
|
P | Drilling |
|
Eccentricity of bolt circle with respect to facing |
| |
C | Thickness |
|
K | Length of hub |
|
Stainless Steel Weld Neck Flange Weight Chart
NPS (Nominal Pipe Size) SORF (Slip On) NPT (Threaded) SWRF (Socket Weld) Loose (Lap Joint) BLRF (Blind) WRNR (Weld Neck) ½ 1 1 2 1 2 2 ¾ 2 2 2 2 2 2 1 2 2 2 2 2 3 1¼ 3 3 3 3 3 3 1½ 3 3 3 3 4 4 2 5 5 5 5 5 6 2½ 8 8 8 8 7 10 3 9 9 9 9 9 11.5 3½ 11 12 11 11 13 12 4 13 13 13 13 17 16.5 5 15 15 15 15 20 21 6 19 19 19 19 27 26 8 30 30 30 30 47 42 10 43 43 43 43 70 54 12 64 64 64 64 123 88 14 90 90 90 105 140 114 16 106 98 98 140 180 140 18 130 130 130 160 220 165 20 165 165 165 195 285 197 22 185 185 185 245 355 225 24 220 220 220 275 430 268
NPS (Nominal Pipe Size) | SORF (Slip On) | NPT (Threaded) | SWRF (Socket Weld) | Loose (Lap Joint) | BLRF (Blind) | WRNR (Weld Neck) |
---|---|---|---|---|---|---|
½ | 1 | 1 | 2 | 1 | 2 | 2 |
¾ | 2 | 2 | 2 | 2 | 2 | 2 |
1 | 2 | 2 | 2 | 2 | 2 | 3 |
1¼ | 3 | 3 | 3 | 3 | 3 | 3 |
1½ | 3 | 3 | 3 | 3 | 4 | 4 |
2 | 5 | 5 | 5 | 5 | 5 | 6 |
2½ | 8 | 8 | 8 | 8 | 7 | 10 |
3 | 9 | 9 | 9 | 9 | 9 | 11.5 |
3½ | 11 | 12 | 11 | 11 | 13 | 12 |
4 | 13 | 13 | 13 | 13 | 17 | 16.5 |
5 | 15 | 15 | 15 | 15 | 20 | 21 |
6 | 19 | 19 | 19 | 19 | 27 | 26 |
8 | 30 | 30 | 30 | 30 | 47 | 42 |
10 | 43 | 43 | 43 | 43 | 70 | 54 |
12 | 64 | 64 | 64 | 64 | 123 | 88 |
14 | 90 | 90 | 90 | 105 | 140 | 114 |
16 | 106 | 98 | 98 | 140 | 180 | 140 |
18 | 130 | 130 | 130 | 160 | 220 | 165 |
20 | 165 | 165 | 165 | 195 | 285 | 197 |
22 | 185 | 185 | 185 | 245 | 355 | 225 |
24 | 220 | 220 | 220 | 275 | 430 | 268 |
ASTM A182 SS WNRF Flange Size Chart
Normal Sizes In inch Dimension ASME B16.5 Stainless Steel Weld Neck Flange Dimensional Sizes 1/2 inch. to 2 1/2 inch. Class 125
Class 150 Class 300 Class 400 Class 600 Class 900 Class 1500 Class 2500 inch. mm inch. millimeter inch. mm inch. mm inch. mm inch. mm inch mm 1/2 A 3 1/2 88.9 3 3/4 95.2 3 3/4 95.2 3 3/4 95.2 4 3/4 121 4 3/4 121 5 1/4 133.4 b 7/16 11.1 9/16 14.3 9/16 14.3 9/16 14.3 7/8 22.2 7/8 22.2 1 3/16 30.2 D2 1 3/8 34.9 1 3/8 34.9 1 3/8 34.9 1 3/8 34.9 1 3/8 34.9 1 3/8 34.9 1 3/8 34.9 D1 2 3/8 60.3 2 5/8 66.7 2 5/8 66.7 2 5/8 66.7 3 1/4 82.6 3 1/4 82.6 3 1/2 88.9 n 4 4 4 4 4 4 4 4 4 4 4 - 4 44 d 5/8 15.9 5/8 15.9 5/8 15.9 5/8 15.9 7/8 22.2 7/8 22.2 7/8 22.2 3/4 A 3 7/8 98.4 4 5/8 117.5 4 5/8 117.5 4 5/8 117.5 5 1/8 130 5 1/8 130 5 1/2 139.7 b 1/2 12.7 5/8 15.9 5/8 15.9 5/8 15.9 1 25.4 1 25.4 1 1/4 31.8 D2 1 11/16 42.9 1 11/16 42.9 1 11/16 42.9 1 11/16 42.9 1 11/16 42.9 1 11/16 42.9 1 11/16 42.9 D1 2 3/4 69.8 3 1/4 82.5 3 1/4 82.5 3 1/4 82.5 3 1/2 88.9 3 1/2 88.9 3 3/4 95.2 n 4 4 4 4 4 4 4 4 4 4 4 - 4 44 d 5/8 15.9 3/4 19 3/4 19 3/4 19 7/8 22.2 7/8 22.2 7/8 22.2 1 A 4 1/4 108 4 7/8 123.8 4 7/8 123.8 4 7/8 123.8 5 7/8 149.2 5 7/8 149.2 6 1/4 159 b 9/16 14.3 11/16 17.5 11/16 17.5 11/16 17.5 1 1/8 28.6 1 1/8 28.6 1 3/8 34.9 D2 2 50.8 2 50.8 2 50.8 2 50.8 2 50.8 2 50.8 2 50.8 D1 3 1/8 79.4 3 1/2 88.9 3 1/2 88.9 3 1/2 88.9 4 102 4 102 4 1/4 108 n 4 4 4 4 4 4 4 4 4 4 4 4 4 4 d 5/8 15.9 3/4 19 3/4 19 3/4 19 1 25.4 1 25.4 1 25.4 1 1/4 A 4 5/8 117.5 5 1/4 133.4 5 1/4 133.4 5 1/4 133.4 6 1/4 159 6 1/4 159 7 1/4 184.2 b 5/8 15.9 3/4 19 13/16 20.6 13/16 20.6 1 1/8 28.6 1 1/8 28.6 1 1/2 38.1 D2 2 1/2 63.5 2 1/2 63.5 2 1/2 63.5 2 1/2 63.5 2 1/2 63.5 2 1/2 63.5 2 1/2 63.5 D1 3 1/2 88.9 3 7/8 98.4 3 7/8 98.4 3 7/8 98.4 4 3/8 111 4 3/8 111 5 1/8 130 n 4 4 4 4 4 4 4 4 4 4 4 4 4 4 d 5/8 15.9 3/4 19 3/4 19 3/4 19 1 25.4 1 25.4 1 1/8 28.6 1 1/2 A 5 127 6 1/8 155.6 6 1/8 155.6 6 1/8 155.6 7 177.8 7 177.8 8 203 b 11/16 17.5 13/16 20.6 7/8 22.2 7/8 22.2 1 1/4 31.8 1 1/4 31.8 1 3/4 44.5 D2 2 7/8 73 98 2 7/8 73 2 7/8 73 2 7/8 73 2 7/8 73 2 7/8 73 2 7/8 73 D1 3 7/8 4 4 1/2 114 4 1/2 114 4 1/2 114 4 7/8 124 4 7/8 124 5 3/4 146 n 4 4 4 4 4 4 4 4 4 4 4 4 4 4 d 5/8 . 15.9 7/8 22.2 7/8 22.2 7/8 22.2 1 1/8 28.6 1 1/8 28.6 1 1/4 31.8 2 A 6 152.4 6 1/2 165.1 6 1/2 165.1 6 1/2 165.1 8 1/2 215.9 8 1/2 215.9 9 1/4 234.9 b 3/4 19 7/8 22.2 1 25.4 1 25.4 1 1/2 38.1 1 1/2 38.1 2 50.8 D2 3 5/8 92.1 3 5/8 92.1 3 5/8 92.1 3 5/8 92.1 3 5/8 92.1 3 5/8 92.1 3 5/8 92.1 D1 4 3/4 121 5 127 5 127 5 127 6 1/2 165.1 6 1/2 165.1 6 3/4 171 n 4 4 8 8 8 8 8 8 8 8 8 8 8 8 d 3/4 19 3/4 19 3/4 19 3/4 19 1 25.4 1 25.4 1 1/8 28.6 2 1/2 A 7 177.8 7 1/2 190.5 7 1/2 190.5 7 1/2 190.5 9 5/8 244 9 5/8 244 10 1/2 266.7 b 7/8 22.2 1 25.4 1 1/8 28.6 1 1/8 28.6 1 5/8 41.3 1 5/8 41.3 2 1/4 57.2 D2 4 1/8 104.8 4 1/8 104.8 4 1/8 104.8 4 1/8 104.8 4 1/8 105 4 1/8 105 4 1/8 105 D1 5 1/2 139.7 5 7/8 149.2 5 7/8 149.2 5 7/8 149.2 7 1/2 190.5 7 1/2 190.5 7 3/4 197 n 4 4 8 8 8 8 8 8 8 8 8 8 8 8 d 3/4 19 7/8 22.2 7/8 22.2 7/8 22.2 1 1/8 28.6 1 1/8 28.6 1 1/4 31.8
Normal Sizes In inch | Dimension | ASME B16.5 Stainless Steel Weld Neck Flange Dimensional Sizes 1/2 inch. to 2 1/2 inch. | ||||||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
Class 125 Class 150 | Class 300 | Class 400 | Class 600 | Class 900 | Class 1500 | Class 2500 | ||||||||||
inch. | mm | inch. | millimeter | inch. | mm | inch. | mm | inch. | mm | inch. | mm | inch | mm | |||
1/2 | A | 3 1/2 | 88.9 | 3 3/4 | 95.2 | 3 3/4 | 95.2 | 3 3/4 | 95.2 | 4 3/4 | 121 | 4 3/4 | 121 | 5 1/4 | 133.4 | |
b | 7/16 | 11.1 | 9/16 | 14.3 | 9/16 | 14.3 | 9/16 | 14.3 | 7/8 | 22.2 | 7/8 | 22.2 | 1 3/16 | 30.2 | ||
D2 | 1 3/8 | 34.9 | 1 3/8 | 34.9 | 1 3/8 | 34.9 | 1 3/8 | 34.9 | 1 3/8 | 34.9 | 1 3/8 | 34.9 | 1 3/8 | 34.9 | ||
D1 | 2 3/8 | 60.3 | 2 5/8 | 66.7 | 2 5/8 | 66.7 | 2 5/8 | 66.7 | 3 1/4 | 82.6 | 3 1/4 | 82.6 | 3 1/2 | 88.9 | ||
n | 4 | 4 | 4 | 4 | 4 | 4 | 4 | 4 | 4 | 4 | 4 | - | 4 | 44 | ||
d | 5/8 | 15.9 | 5/8 | 15.9 | 5/8 | 15.9 | 5/8 | 15.9 | 7/8 | 22.2 | 7/8 | 22.2 | 7/8 | 22.2 | ||
3/4 | A | 3 7/8 | 98.4 | 4 5/8 | 117.5 | 4 5/8 | 117.5 | 4 5/8 | 117.5 | 5 1/8 | 130 | 5 1/8 | 130 | 5 1/2 | 139.7 | |
b | 1/2 | 12.7 | 5/8 | 15.9 | 5/8 | 15.9 | 5/8 | 15.9 | 1 | 25.4 | 1 | 25.4 | 1 1/4 | 31.8 | ||
D2 | 1 11/16 | 42.9 | 1 11/16 | 42.9 | 1 11/16 | 42.9 | 1 11/16 | 42.9 | 1 11/16 | 42.9 | 1 11/16 | 42.9 | 1 11/16 | 42.9 | ||
D1 | 2 3/4 | 69.8 | 3 1/4 | 82.5 | 3 1/4 | 82.5 | 3 1/4 | 82.5 | 3 1/2 | 88.9 | 3 1/2 | 88.9 | 3 3/4 | 95.2 | ||
n | 4 | 4 | 4 | 4 | 4 | 4 | 4 | 4 | 4 | 4 | 4 | - | 4 | 44 | ||
d | 5/8 | 15.9 | 3/4 | 19 | 3/4 | 19 | 3/4 | 19 | 7/8 | 22.2 | 7/8 | 22.2 | 7/8 | 22.2 | ||
1 | A | 4 1/4 | 108 | 4 7/8 | 123.8 | 4 7/8 | 123.8 | 4 7/8 | 123.8 | 5 7/8 | 149.2 | 5 7/8 | 149.2 | 6 1/4 | 159 | |
b | 9/16 | 14.3 | 11/16 | 17.5 | 11/16 | 17.5 | 11/16 | 17.5 | 1 1/8 | 28.6 | 1 1/8 | 28.6 | 1 3/8 | 34.9 | ||
D2 | 2 | 50.8 | 2 | 50.8 | 2 | 50.8 | 2 | 50.8 | 2 | 50.8 | 2 | 50.8 | 2 | 50.8 | ||
D1 | 3 1/8 | 79.4 | 3 1/2 | 88.9 | 3 1/2 | 88.9 | 3 1/2 | 88.9 | 4 | 102 | 4 | 102 | 4 1/4 | 108 | ||
n | 4 | 4 | 4 | 4 | 4 | 4 | 4 | 4 | 4 | 4 | 4 | 4 | 4 | 4 | ||
d | 5/8 | 15.9 | 3/4 | 19 | 3/4 | 19 | 3/4 | 19 | 1 | 25.4 | 1 | 25.4 | 1 | 25.4 | ||
1 1/4 | A | 4 5/8 | 117.5 | 5 1/4 | 133.4 | 5 1/4 | 133.4 | 5 1/4 | 133.4 | 6 1/4 | 159 | 6 1/4 | 159 | 7 1/4 | 184.2 | |
b | 5/8 | 15.9 | 3/4 | 19 | 13/16 | 20.6 | 13/16 | 20.6 | 1 1/8 | 28.6 | 1 1/8 | 28.6 | 1 1/2 | 38.1 | ||
D2 | 2 1/2 | 63.5 | 2 1/2 | 63.5 | 2 1/2 | 63.5 | 2 1/2 | 63.5 | 2 1/2 | 63.5 | 2 1/2 | 63.5 | 2 1/2 | 63.5 | ||
D1 | 3 1/2 | 88.9 | 3 7/8 | 98.4 | 3 7/8 | 98.4 | 3 7/8 | 98.4 | 4 3/8 | 111 | 4 3/8 | 111 | 5 1/8 | 130 | ||
n | 4 | 4 | 4 | 4 | 4 | 4 | 4 | 4 | 4 | 4 | 4 | 4 | 4 | 4 | ||
d | 5/8 | 15.9 | 3/4 | 19 | 3/4 | 19 | 3/4 | 19 | 1 | 25.4 | 1 | 25.4 | 1 1/8 | 28.6 | ||
1 1/2 | A | 5 | 127 | 6 1/8 | 155.6 | 6 1/8 | 155.6 | 6 1/8 | 155.6 | 7 | 177.8 | 7 | 177.8 | 8 | 203 | |
b | 11/16 | 17.5 | 13/16 | 20.6 | 7/8 | 22.2 | 7/8 | 22.2 | 1 1/4 | 31.8 | 1 1/4 | 31.8 | 1 3/4 | 44.5 | ||
D2 | 2 7/8 | 73 98 | 2 7/8 | 73 | 2 7/8 | 73 | 2 7/8 | 73 | 2 7/8 | 73 | 2 7/8 | 73 | 2 7/8 | 73 | ||
D1 | 3 7/8 | 4 | 4 1/2 | 114 | 4 1/2 | 114 | 4 1/2 | 114 | 4 7/8 | 124 | 4 7/8 | 124 | 5 3/4 | 146 | ||
n | 4 | 4 | 4 | 4 | 4 | 4 | 4 | 4 | 4 | 4 | 4 | 4 | 4 | 4 | ||
d | 5/8 | . 15.9 | 7/8 | 22.2 | 7/8 | 22.2 | 7/8 | 22.2 | 1 1/8 | 28.6 | 1 1/8 | 28.6 | 1 1/4 | 31.8 | ||
2 | A | 6 | 152.4 | 6 1/2 | 165.1 | 6 1/2 | 165.1 | 6 1/2 | 165.1 | 8 1/2 | 215.9 | 8 1/2 | 215.9 | 9 1/4 | 234.9 | |
b | 3/4 | 19 | 7/8 | 22.2 | 1 | 25.4 | 1 | 25.4 | 1 1/2 | 38.1 | 1 1/2 | 38.1 | 2 | 50.8 | ||
D2 | 3 5/8 | 92.1 | 3 5/8 | 92.1 | 3 5/8 | 92.1 | 3 5/8 | 92.1 | 3 5/8 | 92.1 | 3 5/8 | 92.1 | 3 5/8 | 92.1 | ||
D1 | 4 3/4 | 121 | 5 | 127 | 5 | 127 | 5 | 127 | 6 1/2 | 165.1 | 6 1/2 | 165.1 | 6 3/4 | 171 | ||
n | 4 | 4 | 8 | 8 | 8 | 8 | 8 | 8 | 8 | 8 | 8 | 8 | 8 | 8 | ||
d | 3/4 | 19 | 3/4 | 19 | 3/4 | 19 | 3/4 | 19 | 1 | 25.4 | 1 | 25.4 | 1 1/8 | 28.6 | ||
2 1/2 | A | 7 | 177.8 | 7 1/2 | 190.5 | 7 1/2 | 190.5 | 7 1/2 | 190.5 | 9 5/8 | 244 | 9 5/8 | 244 | 10 1/2 | 266.7 | |
b | 7/8 | 22.2 | 1 | 25.4 | 1 1/8 | 28.6 | 1 1/8 | 28.6 | 1 5/8 | 41.3 | 1 5/8 | 41.3 | 2 1/4 | 57.2 | ||
D2 | 4 1/8 | 104.8 | 4 1/8 | 104.8 | 4 1/8 | 104.8 | 4 1/8 | 104.8 | 4 1/8 | 105 | 4 1/8 | 105 | 4 1/8 | 105 | ||
D1 | 5 1/2 | 139.7 | 5 7/8 | 149.2 | 5 7/8 | 149.2 | 5 7/8 | 149.2 | 7 1/2 | 190.5 | 7 1/2 | 190.5 | 7 3/4 | 197 | ||
n | 4 | 4 | 8 | 8 | 8 | 8 | 8 | 8 | 8 | 8 | 8 | 8 | 8 | 8 | ||
d | 3/4 | 19 | 7/8 | 22.2 | 7/8 | 22.2 | 7/8 | 22.2 | 1 1/8 | 28.6 | 1 1/8 | 28.6 | 1 1/4 | 31.8 |
Largest ASTM A182 304L Weld Neck Flange Supplier & Manufacturer In India And SS WNRF Flanges Pressure Rating Chart/ Thickness Tolerance.
SS Weld Neck Flange Pressure Ratings
ASTM A182 Stainless Steel Weld Neck Flange Pressure And Temperature Ratings Temperature °F Class 150 As Per ASME B16.5 Class 300 As Per ASME B16.5 Class 400 As Per ASME B16.5 Class 600 As Per ASME B16.5 Class 900 As Per ASME B16.5 Class 1500 As Per ASME B16.5 Class 2500 As Per ASME B16.5 -20 to 100 275 720 960 1440 2160 3600 6000 200 230 600 800 1200 1800 3000 5000 300 205 540 720 1080 1620 2700 4500 400 190 495 660 995 1490 2485 4140 500 170 465 620 930 1395 2330 3880 600 140 435 580 875 1310 2185 3640 650 125 430 575 860 1290 2150 3580 700 110 425 565 850 1275 2125 3540 750 95 415 555 830 1245 2075 3460 800 80 405 540 805 1210 2015 3360 850 65 395 530 790 1190 1980 3300 900 50 390 520 780 1165 1945 3240 950 35 380 510 765 1145 1910 3180 1000 20 320 430 640 965 1605 2675 1050 20 310 410 615 925 1545 2570 1100 20 255 345 515 770 1285 2145 1150 20 200 265 400 595 995 1655 1200 20 155 205 310 465 770 1285 1250 20 115 150 225 340 565 945 1300 20 85 115 170 255 430 715 1350 20 60 80 125 185 310 515 1400 20 50 65 95 145 240 400 1450 15 35 45 70 105 170 285 1500 10 25 35 55 80 135 230
ASTM A182 Stainless Steel Weld Neck Flange | Pressure And Temperature Ratings | ||||||
Temperature °F | Class 150 As Per ASME B16.5 | Class 300 As Per ASME B16.5 | Class 400 As Per ASME B16.5 | Class 600 As Per ASME B16.5 | Class 900 As Per ASME B16.5 | Class 1500 As Per ASME B16.5 | Class 2500 As Per ASME B16.5 |
-20 to 100 | 275 | 720 | 960 | 1440 | 2160 | 3600 | 6000 |
200 | 230 | 600 | 800 | 1200 | 1800 | 3000 | 5000 |
300 | 205 | 540 | 720 | 1080 | 1620 | 2700 | 4500 |
400 | 190 | 495 | 660 | 995 | 1490 | 2485 | 4140 |
500 | 170 | 465 | 620 | 930 | 1395 | 2330 | 3880 |
600 | 140 | 435 | 580 | 875 | 1310 | 2185 | 3640 |
650 | 125 | 430 | 575 | 860 | 1290 | 2150 | 3580 |
700 | 110 | 425 | 565 | 850 | 1275 | 2125 | 3540 |
750 | 95 | 415 | 555 | 830 | 1245 | 2075 | 3460 |
800 | 80 | 405 | 540 | 805 | 1210 | 2015 | 3360 |
850 | 65 | 395 | 530 | 790 | 1190 | 1980 | 3300 |
900 | 50 | 390 | 520 | 780 | 1165 | 1945 | 3240 |
950 | 35 | 380 | 510 | 765 | 1145 | 1910 | 3180 |
1000 | 20 | 320 | 430 | 640 | 965 | 1605 | 2675 |
1050 | 20 | 310 | 410 | 615 | 925 | 1545 | 2570 |
1100 | 20 | 255 | 345 | 515 | 770 | 1285 | 2145 |
1150 | 20 | 200 | 265 | 400 | 595 | 995 | 1655 |
1200 | 20 | 155 | 205 | 310 | 465 | 770 | 1285 |
1250 | 20 | 115 | 150 | 225 | 340 | 565 | 945 |
1300 | 20 | 85 | 115 | 170 | 255 | 430 | 715 |
1350 | 20 | 60 | 80 | 125 | 185 | 310 | 515 |
1400 | 20 | 50 | 65 | 95 | 145 | 240 | 400 |
1450 | 15 | 35 | 45 | 70 | 105 | 170 | 285 |
1500 | 10 | 25 | 35 | 55 | 80 | 135 | 230 |
Contact Us A182 SS 316L Long Weld Neck Flanges Manufacturer In Mumbai, India, Check Class 150 To Class 2500 Stainless Steel WNRF Flange Bolts And Nuts Size Chart.
Grade 321 Long Weld Neck Flange Thickness Chart
Wall Thickness Of Stainless Steel Weld Neck Flange Normal Pipe Size (NPS) O.D. (Outside Daimeter) Sch 10 Sch 20 Sch 30 STD Wall Outside Daimeter Sch 40 Sch 60 EXT Hvy Outside Daimeter Schedule 80 Schedule 100 Schedule 120 Schedule 140 Schedule 160 XX Hvy ½ 0.84 0.083 ... ... 0.109 0.109 ... 0.147 0.147 ... ... ... 0.188 0.294 ¾ 1.05 0.083 ... ... 0.113 0.113 ... 0.154 0.154 ... ... ... 0.219 0.308 1 1.315 0.109 ... ... 0.133 0.133 ... 0.179 0.179 ... ... ... 0.25 0.358 1 ¼ 1.66 0.109 ... ... 0.14 0.14 ... 0.191 0.191 ... ... ... 0.25 0.382 1 ½ 1.9 0.109 ... ... 0.145 0.145 ... 0.2 0.2 ... ... ... 0.281 0.4 2 2.375 0.109 ... ... 0.154 0.154 ... 0.218 0.218 ... ... ... 0.344 0.436 2 ½ 2.875 0.12 ... ... 0.203 0.203 ... 0.276 0.276 ... ... ... 0.375 0.552 3 3.5 0.12 ... ... 0.216 0.216 ... 0.3 0.3 ... ... ... 0.438 0.6 3 ½ 4 0.12 ... ... 0.226 0.226 ... 0.318 0.318 ... ... ... ... 0.636 4 4.5 0.12 ... ... 0.237 0.237 ... 0.337 0.337 ... 0.438 ... 0.531 0.674 5 5.563 0.134 ... ... 0.258 0.258 ... 0.375 0.375 ... 0.5 ... 0.625 0.75 6 6.625 0.134 ... ... 0.28 0.28 ... 0.432 0.432 ... 0.562 ... 0.719 0.864 8 8.625 0.148 0.25 0.277 0.322 0.322 0.406 0.5 0.5 0.594 0.719 0.812 0.906 0.875 10 10.75 0.165 0.25 0.307 0.365 0.365 0.5 0.5 0.594 0.719 0.844 1 1.125 1 12 12.75 0.18 0.25 0.33 0.375 0.406 0.562 0.5 0.688 0.844 1 1.125 1.312 1 14 14 0.25 0.312 0.375 0.375 0.438 0.594 0.5 0.75 0.938 1.094 1.25 1.406 ... 16 16 0.25 0.312 0.375 0.375 0.5 0.656 0.5 0.844 1.031 1.219 1.438 1.594 ... 18 18 0.25 0.312 0.438 0.375 0.562 0.75 0.5 0.938 1.156 1.375 1.562 1.781 ... 20 20 0.25 0.375 0.5 0.375 0.594 0.812 0.5 1.031 1.281 1.5 1.75 1.969 ... 22 22 0.25 ... ... 0.375 ... ... 0.5 ... ... .... .... .... .... 24 24 0.25 0.375 0.562 0.375 0.688 0.969 0.5 1.219 1.531 1.812 2.062 2.344 .... 26 26 .... .... .... 0.375 .... .... 0.5 .... .... .... .... .... .... 30 30 0.312 0.5 0.625 0.375 .... .... 0.5 .... .... .... .... .... .... 36 36 0.312 0.5 0.625 0.375 0.75 .... 0.5 .... .... .... .... .... .... 40 40 .... .... .... 0.375 .... .... 0.5 .... .... .... .... .... .... 42 42 …….. …….. …….. 0.375 …….. …….. 0.5 …….. …….. …….. …….. …….. …….. 48 48 …….. …….. …….. 0.375 …….. …….. 0.5 …….. …….. …….. …….. …….. ……..
Wall Thickness Of Stainless Steel Weld Neck Flange | ||||||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
Normal Pipe Size (NPS) | O.D. (Outside Daimeter) | Sch 10 | Sch 20 | Sch 30 | STD Wall Outside Daimeter | Sch 40 | Sch 60 | EXT Hvy Outside Daimeter | Schedule 80 | Schedule 100 | Schedule 120 | Schedule 140 | Schedule 160 | XX Hvy |
½ | 0.84 | 0.083 | ... | ... | 0.109 | 0.109 | ... | 0.147 | 0.147 | ... | ... | ... | 0.188 | 0.294 |
¾ | 1.05 | 0.083 | ... | ... | 0.113 | 0.113 | ... | 0.154 | 0.154 | ... | ... | ... | 0.219 | 0.308 |
1 | 1.315 | 0.109 | ... | ... | 0.133 | 0.133 | ... | 0.179 | 0.179 | ... | ... | ... | 0.25 | 0.358 |
1 ¼ | 1.66 | 0.109 | ... | ... | 0.14 | 0.14 | ... | 0.191 | 0.191 | ... | ... | ... | 0.25 | 0.382 |
1 ½ | 1.9 | 0.109 | ... | ... | 0.145 | 0.145 | ... | 0.2 | 0.2 | ... | ... | ... | 0.281 | 0.4 |
2 | 2.375 | 0.109 | ... | ... | 0.154 | 0.154 | ... | 0.218 | 0.218 | ... | ... | ... | 0.344 | 0.436 |
2 ½ | 2.875 | 0.12 | ... | ... | 0.203 | 0.203 | ... | 0.276 | 0.276 | ... | ... | ... | 0.375 | 0.552 |
3 | 3.5 | 0.12 | ... | ... | 0.216 | 0.216 | ... | 0.3 | 0.3 | ... | ... | ... | 0.438 | 0.6 |
3 ½ | 4 | 0.12 | ... | ... | 0.226 | 0.226 | ... | 0.318 | 0.318 | ... | ... | ... | ... | 0.636 |
4 | 4.5 | 0.12 | ... | ... | 0.237 | 0.237 | ... | 0.337 | 0.337 | ... | 0.438 | ... | 0.531 | 0.674 |
5 | 5.563 | 0.134 | ... | ... | 0.258 | 0.258 | ... | 0.375 | 0.375 | ... | 0.5 | ... | 0.625 | 0.75 |
6 | 6.625 | 0.134 | ... | ... | 0.28 | 0.28 | ... | 0.432 | 0.432 | ... | 0.562 | ... | 0.719 | 0.864 |
8 | 8.625 | 0.148 | 0.25 | 0.277 | 0.322 | 0.322 | 0.406 | 0.5 | 0.5 | 0.594 | 0.719 | 0.812 | 0.906 | 0.875 |
10 | 10.75 | 0.165 | 0.25 | 0.307 | 0.365 | 0.365 | 0.5 | 0.5 | 0.594 | 0.719 | 0.844 | 1 | 1.125 | 1 |
12 | 12.75 | 0.18 | 0.25 | 0.33 | 0.375 | 0.406 | 0.562 | 0.5 | 0.688 | 0.844 | 1 | 1.125 | 1.312 | 1 |
14 | 14 | 0.25 | 0.312 | 0.375 | 0.375 | 0.438 | 0.594 | 0.5 | 0.75 | 0.938 | 1.094 | 1.25 | 1.406 | ... |
16 | 16 | 0.25 | 0.312 | 0.375 | 0.375 | 0.5 | 0.656 | 0.5 | 0.844 | 1.031 | 1.219 | 1.438 | 1.594 | ... |
18 | 18 | 0.25 | 0.312 | 0.438 | 0.375 | 0.562 | 0.75 | 0.5 | 0.938 | 1.156 | 1.375 | 1.562 | 1.781 | ... |
20 | 20 | 0.25 | 0.375 | 0.5 | 0.375 | 0.594 | 0.812 | 0.5 | 1.031 | 1.281 | 1.5 | 1.75 | 1.969 | ... |
22 | 22 | 0.25 | ... | ... | 0.375 | ... | ... | 0.5 | ... | ... | .... | .... | .... | .... |
24 | 24 | 0.25 | 0.375 | 0.562 | 0.375 | 0.688 | 0.969 | 0.5 | 1.219 | 1.531 | 1.812 | 2.062 | 2.344 | .... |
26 | 26 | .... | .... | .... | 0.375 | .... | .... | 0.5 | .... | .... | .... | .... | .... | .... |
30 | 30 | 0.312 | 0.5 | 0.625 | 0.375 | .... | .... | 0.5 | .... | .... | .... | .... | .... | .... |
36 | 36 | 0.312 | 0.5 | 0.625 | 0.375 | 0.75 | .... | 0.5 | .... | .... | .... | .... | .... | .... |
40 | 40 | .... | .... | .... | 0.375 | .... | .... | 0.5 | .... | .... | .... | .... | .... | .... |
42 | 42 | …….. | …….. | …….. | 0.375 | …….. | …….. | 0.5 | …….. | …….. | …….. | …….. | …….. | …….. |
48 | 48 | …….. | …….. | …….. | 0.375 | …….. | …….. | 0.5 | …….. | …….. | …….. | …….. | …….. | …….. |
Application Of Stainless Steel 316 Welding Neck Flange
- Stainless Steel Weld Neck Flange For Oil And Gas Industry
- ASTM A182 F304 SS Weld Neck Flange For Nuclear Power/ Nuclear Plants
- SA Gr 316 WNRF Flanges For Industrial Boilers
- Stainless Steel 304 Welding Neck Flange For Power Plants
- ASME B16.5 Weld Neck Flange For Condensers
- ASTM A182 304L Weld Neck Flange For Heat Exchangers
- SS WNRF Flanges For Marine Applications
- A182 SS 316L Long Weld Neck Flanges For Fossil Fuel Power Plants
- Stainless Steel Weld Neck Flange For Oil And Gas Industry
- ASTM A182 F304 SS Weld Neck Flange For Nuclear Power/ Nuclear Plants
- SA Gr 316 WNRF Flanges For Industrial Boilers
- Stainless Steel 304 Welding Neck Flange For Power Plants
- ASME B16.5 Weld Neck Flange For Condensers
- ASTM A182 304L Weld Neck Flange For Heat Exchangers
- SS WNRF Flanges For Marine Applications
- A182 SS 316L Long Weld Neck Flanges For Fossil Fuel Power Plants
ASTM A182 304L Weld Neck Flange Bolt Sizes
150# Flange As Per ANSI B16.5 300# Flange As Per ANSI B16.5 600# Flange As Per ANSI B16.5 Normal Pipe Size # Studs And Bolts Diameter of Studs And Bolts Length Of Studs # Studs And Bolts Diameter of Studs And Bolts Stud Length # Studs And Bolts Diameter of Studs And Bolts Length Of Studs 1/16 RF RTJ 1/16 RF RTJ 1/4 RF RTJ 1/2 4 0.50 2-1/4 – 4 0.50 2-1/2 3 4 0.50 3 3 3/4 4 0.50 2-1/2 – 4 0.63 3 3-1/2 4 0.63 3-1/2 3-1/2 1 4 0.50 2-1/2 3 4 0.63 3 3-1/2 4 0.63 3-1/2 3-1/2 1-1/4 4 0.50 2-3/4 3-1/4 4 0.63 3-1/4 3-3/4 4 0.63 3-3/4 3-3/4 1-1/2 4 0.50 2-3/4 3-1/4 4 0.75 3-1/2 4 4 0.75 4-1/4 4-1/4 2 4 0.63 3-1/4 3-3/4 8 0.63 3-1/2 4 8 0.63 4-1/4 4-1/4 2-1/2 4 0.63 3-1/2 4 8 0.75 4 4-1/2 8 0.75 4-3/4 4-3/4 3 4 0.63 3-1/2 4 8 0.75 4-1/4 4-3/4 8 0.75 5 5 3-1/2 8 0.63 3-1/2 4 8 0.75 4-1/4 5 8 0.88 5-1/2 5-1/2 4 8 0.63 3-1/2 4 8 0.75 4-1/2 5 8 0.88 5-3/4 5-3/4 5 8 0.75 3-3/4 4-1/4 8 0.75 4-3/4 5-1/4 8 1.00 6-1/2 6-1/2 6 8 0.75 4 4-1/2 12 0.75 4-3/4 5-1/2 12 1.00 6-3/4 6-3/4 8 8 0.75 4-1/4 4-3/4 12 0.88 5-1/2 6 12 1.13 7-1/2 7-3/4 10 12 0.88 4-1/2 5 16 1.00 6-1/4 6-3/4 16 1.25 8-1/2 8-1/2 12 12 0.88 4-3/4 5-1/4 16 1.13 6-3/4 7-1/4 20 1.25 8-3/4 8-3/4 14 12 1.00 5-1/4 5-3/4 20 1.13 7 7-1/2 20 1.38 9-1/4 9-1/4 16 16 1.00 5-1/4 5-3/4 20 1.25 7-1/2 8 20 1.50 10 10 18 16 1.13 5-3/4 6-1/4 24 1.25 7-3/4 8-1/4 20 1.63 10-3/4 10-3/4 20 20 1.13 6-1/4 6-3/4 24 1.25 8 8-3/4 24 1.63 11-1/4 11-1/2 24 20 1.25 6-3/4 7-1/4 24 1.50 9 10 24 1.88 13 13-1/4
900# Flange As Per ANSI B16.5 1500# Flange As Per ANSI B16.5 2500# Flange As Per ANSI B16.5 Normal Pipe Size # Studs And Bolts Diameter of Bolts And Studs Stud Length # Studs And Bolts Diameter of Studs And Bolts Length Of Studs # Studs And Bolts Diameter of Studs And Bolts Length Of Studs 1/4 RF RTJ 1/4 RF RTJ 1/4 RF RTJ 1/2 4 0.75 4-1/4 4-1/4 4 0.75 4-1/4 4-1/4 4 0.75 4-3/4 4-3/4 3/4 4 0.75 4-1/2 4-1/2 4 0.75 4-1/2 4-1/2 4 0.75 5 5 1 4 0.88 5 5 4 0.88 5 5 4 0.88 5-1/2 5-1/2 1-1/4 4 0.88 5 5 4 0.88 5 5 4 1.00 6 6 1-1/2 4 1.00 5-1/2 5-1/2 4 1.00 5-1/2 5-1/2 4 1.13 6-3/4 6-3/4 2 8 0.88 5-3/4 5-3/4 8 0.88 5-3/4 5-3/4 8 1.00 7 7 2-1/2 8 1.00 6-1/4 6-1/4 8 1.00 6-1/4 6-1/4 8 1.13 7-3/4 8 3 8 0.88 5-3/4 5-3/4 8 1.13 7 7 8 1.25 8-3/4 9 4 8 1.13 6-3/4 6-3/4 8 1.25 7-3/4 7-3/4 8 1.50 10 10-1/4 5 8 1.25 7-1/2 7-1/2 8 1.50 9-3/4 9-3/4 8 1.75 11-3/4 12-1/4 6 12 1.13 7-1/2 7-3/4 12 1.38 10-1/4 10-1/2 8 2.00 13-1/2 14 8 12 1.38 8-3/4 8-3/4 12 1.63 11-1/2 11-3/4 12 2.00 15 15-1/2 10 16 1.38 9-1/4 9-1/4 12 1.88 13-1/4 13-1/2 12 2.50 19-1/4 20 12 20 1.38 10 10 16 2.00 14-3/4 15-1/4 12 2.75 21-1/4 22 14 20 1.50 10-3/4 11 16 2.25 16 16-3/4 – – – – 16 20 1.63 11-1/4 11-1/2 16 2.50 17-1/2 18-1/2 – – – – 18 20 1.88 12-3/4 13-1/4 16 2.75 19-1/2 20-3/4 – – – – 20 20 2.00 13-3/4 14-1/4 16 3.00 21-1/4 22-1/4 – – – – 24 20 2.50 17-1/4 18 16 3.50 24-1/4 25-1/2 – – – –
150# Flange As Per ANSI B16.5 | 300# Flange As Per ANSI B16.5 | 600# Flange As Per ANSI B16.5 | ||||||||||
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Normal Pipe Size | # Studs And Bolts | Diameter of Studs And Bolts | Length Of Studs | # Studs And Bolts | Diameter of Studs And Bolts | Stud Length | # Studs And Bolts | Diameter of Studs And Bolts | Length Of Studs | |||
1/16 RF | RTJ | 1/16 RF | RTJ | 1/4 RF | RTJ | |||||||
1/2 | 4 | 0.50 | 2-1/4 | – | 4 | 0.50 | 2-1/2 | 3 | 4 | 0.50 | 3 | 3 |
3/4 | 4 | 0.50 | 2-1/2 | – | 4 | 0.63 | 3 | 3-1/2 | 4 | 0.63 | 3-1/2 | 3-1/2 |
1 | 4 | 0.50 | 2-1/2 | 3 | 4 | 0.63 | 3 | 3-1/2 | 4 | 0.63 | 3-1/2 | 3-1/2 |
1-1/4 | 4 | 0.50 | 2-3/4 | 3-1/4 | 4 | 0.63 | 3-1/4 | 3-3/4 | 4 | 0.63 | 3-3/4 | 3-3/4 |
1-1/2 | 4 | 0.50 | 2-3/4 | 3-1/4 | 4 | 0.75 | 3-1/2 | 4 | 4 | 0.75 | 4-1/4 | 4-1/4 |
2 | 4 | 0.63 | 3-1/4 | 3-3/4 | 8 | 0.63 | 3-1/2 | 4 | 8 | 0.63 | 4-1/4 | 4-1/4 |
2-1/2 | 4 | 0.63 | 3-1/2 | 4 | 8 | 0.75 | 4 | 4-1/2 | 8 | 0.75 | 4-3/4 | 4-3/4 |
3 | 4 | 0.63 | 3-1/2 | 4 | 8 | 0.75 | 4-1/4 | 4-3/4 | 8 | 0.75 | 5 | 5 |
3-1/2 | 8 | 0.63 | 3-1/2 | 4 | 8 | 0.75 | 4-1/4 | 5 | 8 | 0.88 | 5-1/2 | 5-1/2 |
4 | 8 | 0.63 | 3-1/2 | 4 | 8 | 0.75 | 4-1/2 | 5 | 8 | 0.88 | 5-3/4 | 5-3/4 |
5 | 8 | 0.75 | 3-3/4 | 4-1/4 | 8 | 0.75 | 4-3/4 | 5-1/4 | 8 | 1.00 | 6-1/2 | 6-1/2 |
6 | 8 | 0.75 | 4 | 4-1/2 | 12 | 0.75 | 4-3/4 | 5-1/2 | 12 | 1.00 | 6-3/4 | 6-3/4 |
8 | 8 | 0.75 | 4-1/4 | 4-3/4 | 12 | 0.88 | 5-1/2 | 6 | 12 | 1.13 | 7-1/2 | 7-3/4 |
10 | 12 | 0.88 | 4-1/2 | 5 | 16 | 1.00 | 6-1/4 | 6-3/4 | 16 | 1.25 | 8-1/2 | 8-1/2 |
12 | 12 | 0.88 | 4-3/4 | 5-1/4 | 16 | 1.13 | 6-3/4 | 7-1/4 | 20 | 1.25 | 8-3/4 | 8-3/4 |
14 | 12 | 1.00 | 5-1/4 | 5-3/4 | 20 | 1.13 | 7 | 7-1/2 | 20 | 1.38 | 9-1/4 | 9-1/4 |
16 | 16 | 1.00 | 5-1/4 | 5-3/4 | 20 | 1.25 | 7-1/2 | 8 | 20 | 1.50 | 10 | 10 |
18 | 16 | 1.13 | 5-3/4 | 6-1/4 | 24 | 1.25 | 7-3/4 | 8-1/4 | 20 | 1.63 | 10-3/4 | 10-3/4 |
20 | 20 | 1.13 | 6-1/4 | 6-3/4 | 24 | 1.25 | 8 | 8-3/4 | 24 | 1.63 | 11-1/4 | 11-1/2 |
24 | 20 | 1.25 | 6-3/4 | 7-1/4 | 24 | 1.50 | 9 | 10 | 24 | 1.88 | 13 | 13-1/4 |
900# Flange As Per ANSI B16.5 | 1500# Flange As Per ANSI B16.5 | 2500# Flange As Per ANSI B16.5 | ||||||||||
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Normal Pipe Size | # Studs And Bolts | Diameter of Bolts And Studs | Stud Length | # Studs And Bolts | Diameter of Studs And Bolts | Length Of Studs | # Studs And Bolts | Diameter of Studs And Bolts | Length Of Studs | |||
1/4 RF | RTJ | 1/4 RF | RTJ | 1/4 RF | RTJ | |||||||
1/2 | 4 | 0.75 | 4-1/4 | 4-1/4 | 4 | 0.75 | 4-1/4 | 4-1/4 | 4 | 0.75 | 4-3/4 | 4-3/4 |
3/4 | 4 | 0.75 | 4-1/2 | 4-1/2 | 4 | 0.75 | 4-1/2 | 4-1/2 | 4 | 0.75 | 5 | 5 |
1 | 4 | 0.88 | 5 | 5 | 4 | 0.88 | 5 | 5 | 4 | 0.88 | 5-1/2 | 5-1/2 |
1-1/4 | 4 | 0.88 | 5 | 5 | 4 | 0.88 | 5 | 5 | 4 | 1.00 | 6 | 6 |
1-1/2 | 4 | 1.00 | 5-1/2 | 5-1/2 | 4 | 1.00 | 5-1/2 | 5-1/2 | 4 | 1.13 | 6-3/4 | 6-3/4 |
2 | 8 | 0.88 | 5-3/4 | 5-3/4 | 8 | 0.88 | 5-3/4 | 5-3/4 | 8 | 1.00 | 7 | 7 |
2-1/2 | 8 | 1.00 | 6-1/4 | 6-1/4 | 8 | 1.00 | 6-1/4 | 6-1/4 | 8 | 1.13 | 7-3/4 | 8 |
3 | 8 | 0.88 | 5-3/4 | 5-3/4 | 8 | 1.13 | 7 | 7 | 8 | 1.25 | 8-3/4 | 9 |
4 | 8 | 1.13 | 6-3/4 | 6-3/4 | 8 | 1.25 | 7-3/4 | 7-3/4 | 8 | 1.50 | 10 | 10-1/4 |
5 | 8 | 1.25 | 7-1/2 | 7-1/2 | 8 | 1.50 | 9-3/4 | 9-3/4 | 8 | 1.75 | 11-3/4 | 12-1/4 |
6 | 12 | 1.13 | 7-1/2 | 7-3/4 | 12 | 1.38 | 10-1/4 | 10-1/2 | 8 | 2.00 | 13-1/2 | 14 |
8 | 12 | 1.38 | 8-3/4 | 8-3/4 | 12 | 1.63 | 11-1/2 | 11-3/4 | 12 | 2.00 | 15 | 15-1/2 |
10 | 16 | 1.38 | 9-1/4 | 9-1/4 | 12 | 1.88 | 13-1/4 | 13-1/2 | 12 | 2.50 | 19-1/4 | 20 |
12 | 20 | 1.38 | 10 | 10 | 16 | 2.00 | 14-3/4 | 15-1/4 | 12 | 2.75 | 21-1/4 | 22 |
14 | 20 | 1.50 | 10-3/4 | 11 | 16 | 2.25 | 16 | 16-3/4 | – | – | – | – |
16 | 20 | 1.63 | 11-1/4 | 11-1/2 | 16 | 2.50 | 17-1/2 | 18-1/2 | – | – | – | – |
18 | 20 | 1.88 | 12-3/4 | 13-1/4 | 16 | 2.75 | 19-1/2 | 20-3/4 | – | – | – | – |
20 | 20 | 2.00 | 13-3/4 | 14-1/4 | 16 | 3.00 | 21-1/4 | 22-1/4 | – | – | – | – |
24 | 20 | 2.50 | 17-1/4 | 18 | 16 | 3.50 | 24-1/4 | 25-1/2 | – | – | – | – |
Ring Gasket Chart Of Grade 321 Weld Neck Flanges And Manufacturer Of Stainless Steel Welding Neck Flange EN 1092 With Low Price If Buying In India.
A182 F316L Stainless Steel Weld Neck Flange Gasket Table
Normal Pipe Size Gasket I.D. (Inside Daimeter)
Gasket O.D. (Outside Daimeter) 150 LB 300 LB 400 LB 600 LB 900 LB 1/2 0.84 1.875 2.125 2.125 2.125 2.50 3/4 1.06 2.25 2.625 2.625 2.625 2.75 1 1.31 2.625 2.875 2.875 2.875 3.125 1 1/4 1.66 3 3.25 3.25 3.25 3.50 1 1/2 1.91 3.375 3.75 3.75 3.75 3.875 2 2.38 4.125 4.375 4.375 4.375 5.625 2 1/2 2.88 4.875 5.125 5.125 5.125 6.50 3 3.50 5.375 5.875 5.875 5.875 6.625 4 4.50 6.875 7.125 7.00 7.625 8.125 5 5.56 7.75 8.50 8.375 9.50 9.75 6 6.62 8.75 9.875 9.75 10.50 11.375 8 8.62 11 12.125 12.00 12.625 14.125 10 10.75 13.375 14.25 14.125 15.75 17.125 12 12.75 16.125 16.625 16.50 18.00 19.625
Normal Pipe Size | Gasket I.D. (Inside Daimeter) | Gasket O.D. (Outside Daimeter) | ||||
---|---|---|---|---|---|---|
150 LB | 300 LB | 400 LB | 600 LB | 900 LB | ||
1/2 | 0.84 | 1.875 | 2.125 | 2.125 | 2.125 | 2.50 |
3/4 | 1.06 | 2.25 | 2.625 | 2.625 | 2.625 | 2.75 |
1 | 1.31 | 2.625 | 2.875 | 2.875 | 2.875 | 3.125 |
1 1/4 | 1.66 | 3 | 3.25 | 3.25 | 3.25 | 3.50 |
1 1/2 | 1.91 | 3.375 | 3.75 | 3.75 | 3.75 | 3.875 |
2 | 2.38 | 4.125 | 4.375 | 4.375 | 4.375 | 5.625 |
2 1/2 | 2.88 | 4.875 | 5.125 | 5.125 | 5.125 | 6.50 |
3 | 3.50 | 5.375 | 5.875 | 5.875 | 5.875 | 6.625 |
4 | 4.50 | 6.875 | 7.125 | 7.00 | 7.625 | 8.125 |
5 | 5.56 | 7.75 | 8.50 | 8.375 | 9.50 | 9.75 |
6 | 6.62 | 8.75 | 9.875 | 9.75 | 10.50 | 11.375 |
8 | 8.62 | 11 | 12.125 | 12.00 | 12.625 | 14.125 |
10 | 10.75 | 13.375 | 14.25 | 14.125 | 15.75 | 17.125 |
12 | 12.75 | 16.125 | 16.625 | 16.50 | 18.00 | 19.625 |
Stainless Steel Weld Neck Flange Torque Chart
Size in Inches Size in Millimeter Imperfections Max. Radial Projection No Deeper Than the Bottom of the Serrations, millimeter Deeper Than the Bottom of the Serrations, millimeter 1/2 15 3.0 1.5 3/4 20 3.0 1.5 1 25 3.0 1.5 1 1/4 32 3.0 1.5 1 1/2 40 3.0 1.5 2 50 3.0 1.5 2 1/2 65 3.0 1.5 3 80 4.5 1.5 3 1/2 90 6.0 3.0 4 100 6.0 3.0 5 125 6.0 3.0 6 150 6.0 3.0 8 200 8.0 4.5 10 250 8.0 4.5 12 300 8.0 4.5 14 350 8.0 4.5 16 400 10.0 4.5 18 450 12.0 6.0 20 500 12.0 6.0 24 600 12.0 6.0
Size in Inches | Size in Millimeter | Imperfections Max. Radial Projection | |
---|---|---|---|
No Deeper Than the Bottom of the Serrations, millimeter | Deeper Than the Bottom of the Serrations, millimeter | ||
1/2 | 15 | 3.0 | 1.5 |
3/4 | 20 | 3.0 | 1.5 |
1 | 25 | 3.0 | 1.5 |
1 1/4 | 32 | 3.0 | 1.5 |
1 1/2 | 40 | 3.0 | 1.5 |
2 | 50 | 3.0 | 1.5 |
2 1/2 | 65 | 3.0 | 1.5 |
3 | 80 | 4.5 | 1.5 |
3 1/2 | 90 | 6.0 | 3.0 |
4 | 100 | 6.0 | 3.0 |
5 | 125 | 6.0 | 3.0 |
6 | 150 | 6.0 | 3.0 |
8 | 200 | 8.0 | 4.5 |
10 | 250 | 8.0 | 4.5 |
12 | 300 | 8.0 | 4.5 |
14 | 350 | 8.0 | 4.5 |
16 | 400 | 10.0 | 4.5 |
18 | 450 | 12.0 | 6.0 |
20 | 500 | 12.0 | 6.0 |
24 | 600 | 12.0 | 6.0 |