| Nominal Diameter of Flange | Outside Diameter of Steel Pipe | Inside Diameter of Flange do | Outside Diameter of Flange D | Sectional Dimensions of Flange | Bolt Hole | Reference | Weight (Kg) | ||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| t | T | Diameter of Hub | Radius r | f | g | d | Bolt Circle Diameter C | Number of Bolt Holes | Hole Diameter h | Nominal Bolt Size | Sr | m | S₂ | n | l | SOP | BL | SOH | |||||
| a | b | ||||||||||||||||||||||
| 10 | 17.3 | 17.8 | 90 | 14 | 20 | 30 | 32 | 4 | 1 | 46 | - | 65 | 4 | 15 | M12 | 27 | 4 | 27 | 4 | - | 0.6 | 0.6 | 0.59 |
| 15 | 21.7 | 22.2 | 95 | 14 | 20 | 34 | 36 | 4 | 1 | 51 | - | 70 | 4 | 15 | M12 | 31 | 4 | 31 | 4 | - | 0.7 | 0.7 | 0.65 |
| 20 | 27.2 | 27.7 | 100 | 16 | 22 | 40 | 42 | 4 | 1 | 56 | - | 75 | 4 | 15 | M12 | 37 | 4 | 37 | 4 | - | 0.8 | 0.9 | 0.81 |
| 25 | 34.0 | 34.5 | 125 | 16 | 24 | 48 | 50 | 4 | 1 | 67 | - | 90 | 4 | 19 | M16 | 44 | 4 | 44 | 4.5 | - | 1.3 | 1.5 | 1.29 |
| 32 | 42.7 | 43.2 | 135 | 18 | 26 | 55 | 60 | 5 | 2 | 76 | - | 100 | 4 | 19 | M16 | 52 | 4 | 53 | 5 | - | 1.6 | 1.8 | 1.6 |
| 40 | 48.6 | 49.1 | 140 | 18 | 26 | 62 | 66 | 5 | 2 | 81 | - | 105 | 4 | 19 | M16 | 58 | 4 | 59 | 5.5 | - | 1.7 | 2.0 | 1.69 |
| 50 | 60.5 | 61.1 | 155 | 18 | 26 | 76 | 80 | 5 | 2 | 96 | - | 120 | 8 | 19 | M16 | 70 | 4 | 72 | 5.5 | - | 1.9 | 2.4 | 1.89 |
| 65 | 76.3 | 77.1 | 175 | 20 | 30 | 100 | 104 | 5 | 2 | 116 | 65.9 | 140 | 8 | 19 | M16 | 94 | 6 | 85 | 6 | 6 | 2.6 | 3.4 | 2.6 |
| 80 | 89.1 | 90.0 | 200 | 22 | 34 | 113 | 117 | 6 | 2 | 132 | 78.1 | 160 | 8 | 23 | M20 | 107 | 6 | - | - | 6 | 3.8 | 4.9 | 3.93 |
| (90) | 101.6 | 102.6 | 210 | 24 | 36 | 126 | 130 | 6 | 2 | 145 | 90.2 | 170 | 8 | 23 | M20 | 120 | 6 | - | - | 6 | 4.4 | 6.0 | 4.56 |
| 100 | 114.3 | 115.4 | 225 | 24 | 36 | 138 | 142 | 6 | 2 | 160 | 102.3 | 185 | 8 | 23 | M20 | 132 | 6 | - | - | 6 | 4.9 | 6.9 | 5.13 |
| 125 | 139.8 | 141.2 | 270 | 26 | 40 | 166 | 172 | 6 | 2 | 195 | 126.6 | 225 | 8 | 25 | M22 | 160 | 7 | - | - | 6 | 7.8 | 11.0 | 8.3 |
| 150 | 165.2 | 166.6 | 305 | 28 | 42 | 195 | 202 | 6 | 2 | 230 | 151.0 | 260 | 12 | 25 | M22 | 186 | 8 | - | - | 6 | 10.1 | 14.9 | 10.6 |
| 200 | 216.3 | 218.0 | 350 | 30 | 46 | 244 | 252 | 6 | 2 | 275 | 199.9 | 305 | 12 | 25 | M22 | 237 | 9 | - | - | 6 | 12.6 | 21.4 | 13.3 |
| 250 | 267.4 | 269.5 | 430 | 34 | 52 | 304 | 312 | 6 | 2 | 345 | 248.8 | 380 | 12 | 27 | M24 | 290 | 10 | - | - | 6 | 21.9 | 37.2 | 23.4 |
| 300 | 318.5 | 321.0 | 480 | 36 | 56 | 354 | 364 | 8 | 3 | 395 | 297.9 | 430 | 16 | 27 | M24 | 345 | 11 | - | - | 6 | 25.8 | 48.8 | 27.7 |
| 350 | 355.6 | 358.1 | 540 | 40 | 62 | 398 | 408 | 8 | 3 | 440 | 333.4 | 480 | 16 | 33 | M30×3 | 384 | 12 | - | - | 6 | 36.2 | 68.0 | 39.2 |
| 400 | 406.4 | 409.0 | 605 | 46 | 70 | 446 | 456 | 10 | 3 | 495 | 381.0 | 540 | 16 | 33 | M30×3 | 437 | 13 | - | - | 7 | 51.7 | 99.4 | 54.2 |
| 450 | 457.2 | 460.0 | 675 | 48 | 78 | 504 | 514 | 10 | 3 | 560 | 431.8 | 605 | 20 | 33 | M30×3 | 490 | 15 | - | - | 7 | 66.1 | 129.1 | 71.7 |
| 500 | 508.0 | 511.0 | 730 | 50 | 84 | 558 | 568 | 10 | 3 | 615 | 482.6 | 660 | 20 | 33 | M30×3 | 544 | 16 | - | - | 7 | 77.4 | 158.4 | 86.2 |
| (550) | 558.8 | 562.0 | 795 | 52 | 90 | 612 | 622 | 10 | 3 | 670 | 533.4 | 720 | 20 | 39 | M36×3 | 595 | 16 | - | - | 7 | 92.2 | 194.0 | 105 |
| 600 | 609.6 | 613.0 | 845 | 54 | 96 | 666 | 676 | 10 | 3 | 720 | 584.2 | 770 | 24 | 39 | M36×3 | 646 | 18 | - | - | 7 | 101.1 | 226.9 | 119 |
| (650) | 660.4 | 664.0 | 945 | 60 | - | 666 | 676 | 10 | 5 | 790 | - | 850 | 24 | 48 | M45×3 | - | - | - | - | 7 | 147.6 | 311.6 | - |
| 700 | 711.2 | 715.0 | 995 | 64 | - | - | - | - | 5 | 840 | - | 970 | 24 | 56 | M52×3 | - | - | - | - | - | 168.0 | 370.9 | - |
| (750) | 762.0 | 766.0 | 1080 | 68 | - | - | - | - | 5 | 900 | - | 970 | 24 | 56 | M52×3 | - | - | - | - | - | 212.7 | 460.1 | - |
| 800 | 812.8 | 817.0 | 1140 | 72 | - | - | - | - | 5 | 960 | - | 1030 | 24 | 56 | M52×3 | - | - | - | - | - | 248.5 | 546.5 | - |
| (850) | 863.6 | 868.0 | 1200 | 74 | - | - | - | - | 5 | 1020 | - | 1090 | 24 | 56 | M52×3 | - | - | - | - | - | 280.5 | 626.2 | - |
| 900 | 914.6 | 919.0 | 1250 | 76 | - | - | - | - | 5 | 1070 | - | 1090 | 28 | 56 | M52×3 | - | - | - | - | - | 296.9 | 694.9 | - |