- Class 150
- Class 300
- Class 600
- Class 1500
- B.S.10 Table 'D'
- B.S.10 Table 'E'
- B.S.10 Table 'F'
- B.S.10 Table 'H'
- N D - 10
- N D - 40
- I S - 1538
DIMENSIONS OF CLASS 150 FLANGES AS PER ANSI B 16.5 |
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| NB | A | B | C | D | E | F | G | H | J | K | L | M | N | O | P | R | T | No. of Hole |
| 15 20 25 32 40 50 65 80 90 100 125 150 200 250 300 350 400 450 500 600 |
89 98 108 117 127 152 178 190 216 229 254 279 333 406 483 533 597 635 698 813 |
11.1 12.7 14.3 15.9 17.5 19.0 22.2 23.8 23.8 23.8 23.8 25.4 28.6 30.2 31.8 34.9 36.5 39.7 42.9 47.6 |
1.6 1.6 1.6 1.6 1.6 1.6 1.6 1.6 1.6 1.6 1.6 1.6 1.6 1.6 1.6 1.6 1.6 1.6 1.6 1.6 |
35 43 51 64 73 92 105 127 140 157 186 216 270 324 381 413 470 533 584 692 |
16 16 17 21 22 25 29 30 32 33 37 40 44 49 56 57 64 68 73 83 |
30 38 49 59 65 78 90 108 122 135 164 192 246 305 365 400 457 505 559 664 |
22.4 27.7 34.5 43.2 49.5 62.0 74.7 90.7 103.4 116.1 143.8 170.7 221.5 276.4 327.2 359.2 410.5 461.8 513.1 616.0 |
9.5 11.0 12.5 14.5 16.0 17.5 19.0 20.5 - - - - - - - - - - - - |
21.3 26.7 33.4 42.2 48.3 60.3 73.0 88.9 101.6 114.3 141.3 168.3 219.1 273.0 323.9 355.6 406.4 457.2 508.0 609.6 |
- - - - - - - - - - - - - - - - - - - - |
48 52 56 57 62 64 70 70 71 76 89 89 102 102 114 127 127 140 144 152 |
16 16 17 21 22 25 29 30 32 33 37 40 44 49 56 57 64 68 73 83 |
16 16 17 21 22 25 29 30 32 33 37 40 44 49 56 79 87 97 103 111 |
23.0 28.0 35.0 43.5 50.0 62.5 75.5 91.5 104.0 117.0 145.0 171.0 222.0 277.0 328.0 360.0 411.0 462.0 514.0 616.0 |
60.3 69.8 79.4 88.9 98.4 120.6 139.7 152.4 177.8 190.5 215.9 241.3 293.4 362.0 431.8 476.2 539.8 577.8 635.0 749.3 |
3.0 3.0 3.0 5.0 6.5 8.0 8.0 9.5 9.5 11.0 11.0 12.5 12.5 12.5 12.5 12.5 12.5 12.5 12.5 12.5 |
15.9 15.9 15.9 15.9 15.9 19.0 19.0 19.0 19.0 19.0 22.2 22.2 22.2 25.4 25.4 28.6 28.6 31.8 31.8 34.9 |
4 4 4 4 4 4 4 4 8 8 8 8 8 12 12 12 16 16 20 20 |
DIMENSIONS OF CLASS 300 FLANGES AS PER ANSI B 16.5 |
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| NB | A | B | C | D | E | F | G | H | J | K | L | M | N | O | P | R | T | No. of Hole |
| 15 20 25 32 40 50 65 80 90 100 125 150 200 250 300 350 400 450 500 600 |
95 117 124 133 156 165 190 210 229 254 279 318 381 444 521 584 648 711 775 914 |
14.3 15.9 17.5 19.0 20.6 22.2 25.4 28.6 30.2 31.8 34.9 36.5 41.3 47.6 50.8 54.0 57.2 60.3 63.5 69.8 |
1.6 1.6 1.6 1.6 1.6 1.6 1.6 1.6 1.6 1.6 1.6 1.6 1.6 1.6 1.6 1.6 1.6 1.6 1.6 1.6 |
35 43 51 64 73 92 105 127 140 157 186 216 270 324 381 413 470 533 584 692 |
22 25 27 27 30 33 38 43 44 48 51 52 62 67 73 76 83 89 95 106 |
38 48 54 64 70 84 100 117 133 146 178 206 260 321 375 425 483 533 587 702 |
22.4 27.7 34.5 43.2 49.5 62.0 74.7 90.7 103.4 116.1 143.8 170.7 221.5 276.4 327.2 359.2 410.5 461.8 513.1 616.0 |
9.5 11.0 12.5 14.5 16.0 17.5 19.0 20.5 - - - - - - - - - - - - |
21.3 26.7 33.4 42.2 48.3 60.3 73.0 88.9 101.6 114.3 141.3 168.3 219.1 273.0 323.9 355.6 406.4 457.2 508.0 609.6 |
23.5 29.0 36.0 44.5 50.5 63.5 76.0 92.0 105.0 118.0 145.0 171.0 222.0 276.0 329.0 360.0 411.0 462.0 513.0 614.0 |
52 57 62 65 68 70 76 79 81 86 98 98 111 117 130 143 146 159 162 168 |
16 16 17 21 22 29 32 32 37 37 43 46 51 56 60 64 68 70 73 83 |
22 25 27 27 30 33 38 43 44 48 51 52 62 95 102 111 121 130 140 152 |
23.0 28.0 35.0 43.5 50.0 62.5 75.5 91.5 104.0 117.0 145.0 171.0 222.0 277.0 328.0 360.0 411.0 462.0 514.0 616.0 |
66.7 82.6 88.9 98.4 114.3 127.0 149.2 168.3 184.2 200.0 235.0 269.9 330.2 387.4 450.8 514.4 571.5 628.6 685.8 812.8 |
3.0 3.0 3.0 5.0 6.5 8.0 8.0 9.5 9.5 11.0 11.0 12.5 12.5 12.5 12.5 12.5 12.5 12.5 12.5 12.5 |
15.9 19.0 19.0 19.0 22.2 19.0 22.2 22.2 22.2 22.2 22.2 22.2 25.4 28.6 31.8 31.8 34.9 34.9 34.9 41.3 |
4 4 4 4 4 8 8 8 8 8 8 12 12 16 16 20 20 24 24 24 |
DIMENSIONS OF CLASS 600 FLANGES AS PER ANSI B 16.5 |
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| NB | A | B | C | D | E | F | G | H | J | K | L | M | N | O | P | R | T | No. of Hole |
| 15 20 25 32 40 50 65 80 90 100 125 150 200 250 300 350 400 450 500 600 |
95 117 124 133 156 165 190 210 229 273 330 356 419 508 559 60 686 743 813 940 |
14.3 15.9 17.5 206 22.2 25.4 28.6 31.8 34.9 38.1 44.4 47.6 55.6 63.5 66.7 69.8 76.2 82.6 88.9 101.6 |
6.4 6.4 6.4 6.4 6.4 6.4 6.4 6.4 6.4 6.4 6.4 6.4 6.4 6.4 6.4 6.4 6.4 6.4 6.4 6.4 |
35 43 51 64 73 92 105 127 140 157 186 216 270 324 381 413 470 533 584 692 |
22 25 27 29 32 37 41 46 49 54 60 67 76 86 92 94 106 117 122 140 |
38 48 54 64 70 84 100 117 133 152 189 222 273 343 400 432 495 546 610 718 |
22.4 27.7 34.5 43.2 49.5 62.0 74.7 90.7 103.4 116.1 143.8 170.7 221.5 276.4 327.2 359.2 410.5 461.8 513.1 616.0 |
9.5 11.0 12.5 14.5 16.0 17.5 19.0 20.5 - - - - - - - - - - - - |
21.3 26.7 33.4 42.2 48.3 60.3 73.0 88.9 101.6 114.3 141.3 168.3 219.1 273.0 323.9 355.6 406.4 457.2 508.0 609.6 |
23.5 29.0 36.0 44.5 50.5 63.5 76.0 92.0 105.0 118.0 145.0 171.0 222.0 276.0 329.0 360.0 411.0 462.0 513.0 614.0 |
52 57 62 67 70 73 79 83 86 102 114 117 133 152 156 165 178 184 190 203 |
16 16 17 21 22 29 32 35 40 41 48 51 57 65 70 73 78 79 83 92 |
22 25 27 29 32 37 41 46 49 54 60 67 76 111 117 127 140 152 165 184 |
23.0 28.0 35.0 43.5 50.0 62.5 75.5 91.5 104.0 117.0 145.0 171.0 222.0 277.0 328.0 360.0 411.0 462.0 514.0 616.0 |
66.7 82.6 88.9 98.4 114.3 127.0 149.2 168.3 184.2 215.9 266.7 292.1 349.2 431.8 489.0 527.0 603.2 654.0 723.9 838.2 |
3.0 3.0 3.0 5.0 6.5 8.0 8.0 9.5 9.5 11.0 11.0 12.5 12.5 12.5 12.5 12.5 12.5 12.5 12.5 12.5 |
15.9 19.0 19.0 19.0 22.2 19.0 22.2 22.2 25.4 25.4 28.6 28.6 31.8 34.9 34.9 38.1 41.3 44.4 44.4 50.8 |
4 4 4 4 4 8 8 8 8 8 8 12 12 16 20 20 20 20 24 24 |
DIMENSIONS OF CLASS 1500 FLANGES AS PER ANSI B 16.5 |
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| NB | A | B | C | D | E | F | G | H | J | K | L | M | N | O | P | R | T | No. of Hole |
| 15 20 25 32 40 50 65 80 100 125 150 200 250 300 350 400 450 500 600 |
121 130 149 159 178 216 244 267 311 325 394 483 584 673 749 826 914 984 1168 |
22.2 25.4 28.6 28.6 31.8 38.1 41.3 47.6 54.0 73.0 82.6 92.1 108.0 123.8 133.4 146.1 161.9 178.0 203.0 |
6.4 6.4 6.4 6.4 6.4 6.4 6.4 6.4 6.4 6.4 6.4 6.4 6.4 6.4 6.4 6.4 6.4 6.4 6.4 |
35 43 51 64 73 92 105 127 157 186 216 270 324 381 413 470 533 584 692 |
32 35 41 41 44 57 64 73 91 105 119 143 159 181 - - - - - |
38 44 52 64 70 105 124 133 162 197 229 292 368 451 495 552 597 641 762 |
22.4 27.7 34.5 43.2 49.5 62.0 74.7 - - - - - - - - - - - - |
9.5 11.0 12.5 14.5 16.0 17.5 19.0 - - - - - - - - - - - - |
21.3 26.7 33.4 42.2 48.3 60.3 73.0 88.9 114.3 141.3 168.3 219.1 273.0 323.9 356.6 406.4 457.2 508.0 609.6 |
23.5 29.0 36.0 44.5 50.5 63.5 76.0 92.0 118.0 145.0 171.0 222.0 276.0 329.0 - - - - - |
60 70 73 73 83 102 105 117 124 156 171 213 254 283 298 311 327 356 406 |
22 25 29 30 32 38 48 51 57 64 70 75 84 92 - - - - - |
32 35 41 41 44 57 64 73 91 105 119 143 178 219 241 260 276 292 330 |
23.0 28.0 35.0 43.5 50.0 62.5 75.5 91.5 117.0 145.0 171.0 222.0 277.0 328.0 360.0 411.0 462.0 514.0 616.0 |
82.6 88.9 101.6 111.1 123.8 165.1 190.5 203.2 241.3 292.1 317.5 393.7 482.6 571.5 635.0 704.8 774.7 831.8 990.6 |
3.0 3.0 3.0 5.0 6.5 8.0 8.0 9.5 11.0 11.0 12.5 12.5 12.5 12.5 12.5 12.5 12.5 12.5 12.5 |
22.2 22.2 25.4 25.4 28.6 25.4 28.6 31.8 34.9 41.3 38.1 44.4 50.8 54.0 60.3 66.7 73.0 79.4 92.0 |
4 4 4 4 4 8 8 8 8 8 12 12 12 16 16 16 16 16 16 |
B.S. 10 Table ‘D’ |
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| Nominal pipe size (in mm) | Diameter of flange | Diameter of Bolt circle (PCD) | Number of Bolts | Diameter of Bolts | Thickness of Flange |
| mm | mm | mm | mm | mm | mm |
| 15 20 25 32 40 50 65 80 100 125 150 200 250 300 350 400 450 500 600 |
95 102 114 121 133 152 165 184 216 254 279 337 406 457 527 578 641 705 826 |
67 73 83 87 98 114 127 145 178 210 235 292 356 406 470 521 584 641 756 |
4 4 4 4 4 4 4 4 4 8 8 8 8 12 12 12 12 16 16 |
13 13 13 12 13 16 16 16 16 16 16 16 19 19 22 22 22 22 25 |
5 5 5 6 6 8 8 10 10 13 13 13 16 16 19 19 22 25 29 |
B.S. 10 Table ‘E’ |
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| Nominal pipe size (in mm) | Diameter of flange | Diameter of Bolt circle (PCD) | Number of Bolts | Diameter of Bolts | Thickness of Flange |
| mm | mm | mm | mm | mm | mm |
| 15 20 25 32 40 50 65 80 100 125 150 200 250 300 350 400 450 500 600 |
95 102 121 133 140 165 184 203 229 279 305 368 432 489 552 610 673 737 851 |
67 73 87 98 105 127 145 165 191 235 260 324 381 438 495 552 610 673 781 |
4 4 4 4 4 4 8 8 8 8 12 12 12 16 16 20 20 24 24 |
13 13 16 16 16 16 16 16 16 19 19 19 22 22 25 25 29 29 32 |
10 10 10 13 13 16 16 16 19 22 22 25 25 29 32 32 35 38 38 |
B.S. 10 Table ‘F’ |
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| Nominal pipe size (in mm) | Diameter of flange | Diameter of Bolt circle (PCD) | Number of Bolts | Diameter of Bolts | Thickness of Flange |
| mm | mm | mm | mm | mm | mm |
| 15 20 25 32 40 50 65 80 100 125 150 200 250 300 350 400 450 500 600 |
95 102 114 121 133 152 165 184 216 254 279 337 406 457 527 578 641 705 826 |
67 73 83 87 98 114 127 145 178 210 235 292 356 406 470 521 584 641 756 |
4 4 4 4 4 4 4 4 4 8 8 8 8 12 12 12 12 16 16 |
13 13 13 13 13 16 16 16 16 16 19 19 19 22 22 22 22 22 25 |
6 6 7 8 9 10 10 11 13 14 17 19 22 25 25 25 29 32 38 |
B.S. 10 Table ‘H’ |
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| Nominal pipe size (in mm) | Diameter of flange | Diameter of Bolt circle (PCD) | Number of Bolts | Diameter of Bolts | Thickness of Flange |
| mm | mm | mm | mm | mm | mm |
| 15 20 25 32 40 50 65 80 100 125 150 200 250 300 350 400 450 500 600 |
114 114 121 133 140 165 184 203 229 279 305 368 432 489 552 610 673 737 851 |
83 83 87 98 105 127 145 165 191 235 260 324 381 438 495 552 610 673 781 |
4 4 4 4 4 4 8 8 8 8 12 12 12 16 16 20 20 24 24 |
16 16 16 16 16 16 16 16 16 19 19 19 22 22 25 25 29 29 32 |
13 13 14 17 17 19 19 22 25 29 29 32 35 38 41 44 48 51 57 |
ND-10 |
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| Nominal pipe size (in m m) | Flange Diameter mm | Flango Thickness | Raiced Face | Number of holes | Diameter of holes mm | p.c.d.mm | |
| Diameter mm | Height mm | ||||||
| 15 20 25 32 40 50 65 80 100 125 150 200 250 300 |
95 105 115 140 150 165 185 200 220 250 285 340 395 445 |
14 16 16 18 18 20 20 22 22 24 24 26 28 28 |
45 58 68 78 88 102 122 138 158 188 212 268 320 370 |
2 2 2 2 3 3 3 3 3 3 3 3 3 4 |
4 4 4 4 4 4 4 4 8 8 8 8 12 12 |
14 14 14 16 18 18 18 18 18 18 23 23 23 23 |
65 75 85 100 110 125 145 160 180 210 240 295 350 400 |
ND-16 |
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| Nominal pipe size (in mm) | Flange Diameter mm | Flango Thickness | Raiced Face | Number of holes | Diameter of holes mm | p.c.d.mm | |
| Diameter mm | Height mm | ||||||
| 15 20 25 32 40 50 65 80 100 125 150 200 250 300 |
95 105 115 140 150 165 185 200 220 250 285 340 405 460 |
14 15 16 16 16 18 18 20 20 22 22 24 26 28 |
45 58 68 78 88 102 122 138 158 188 212 268 320 378 |
2 2 2 2 3 3 3 3 3 3 3 3 3 4 |
4 4 4 4 4 4 4 8 8 8 8 8 12 12 |
14 14 14 18 18 18 18 18 18 18 23 23 27 27 |
65 75 85 100 110 125 145 160 180 210 240 295 355 410 |
ND-40 |
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| Nominal pipe size (in mm) | Flange Diameter mm | Flango Thickness | Raiced Face | Number of holes | Diameter of holes mm | p.c.d.mm | |
| Diameter mm | Height mm | ||||||
| 15 20 25 32 40 50 65 80 100 125 150 200 250 300 |
95 105 115 140 150 165 185 200 235 270 300 375 450 515 |
16 18 18 18 18 20 22 24 24 26 28 34 38 42 |
45 58 68 78 88 102 122 138 162 188 218 285 345 410 |
2 2 2 2 3 3 3 3 3 3 3 3 3 4 |
4 4 4 4 4 4 8 8 8 8 8 12 12 16 |
14 14 14 18 18 18 18 18 23 27 27 30 33 33 |
65 75 85 100 110 125 145 160 180 220 250 320 385 450 |
IS-1538 |
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| Nominal pipe size (in mm) | Flange Diameter mm | PCD | Holes | Thickness | |
| Number | Diameter | ||||
| mm | mm | mm | mm | mm | mm |
| 80 100 125 150 200 250 300 |
200 220 250 285 340 395 445 |
150 180 210 250 295 350 400 |
4 8 8 8 8 12 12 |
19 19 19 23 23 23 23 |
21 22 22.5 23 24.5 26 27.5 |