TABLE 11 PLATE FLANGES FOR WELDING
Nominal pressure 1 N/mm2. (All Dimensions in millimetres.)
| Nom size |
Pipe o.d. d1 |
FLANGE | RAISED FACE | Bolting | ..........Drilling.......... | ||||
| D | b | d4 | f | No. | d2 | k | |||
| 10 | 17.2 | 90 | 14 | 40 | 2 | M12 | 4 | 14 | 60 |
| 15 | 21.3 | 95 | 14 | 45 | 2 | M12 | 4 | 14 | 65 |
| 20 | 26.9 | 105 | 16 | 58 | 2 | M12 | 4 | 14 | 75 |
| 25 | 33.7 | 115 | 16 | 68 | 2 | M12 | 4 | 14 | 85 |
| 32 | 42.4 | 140 | 16 | 78 | 2 | M16 | 4 | 18 | 100 |
| 40 | 48.3 | 150 | 16 | 88 | 3 | M16 | 4 | 18 | 110 |
| 50 | 60.3 | 165 | 18 | 102 | 3 | M16 | 4 | 18 | 125 |
| 65 | 76.1 | 185 | 18 | 122 | 3 | M16 | 4 | 18 | 145 |
| 80 | 88.9 | 200 | 20 | 138 | 3 | M16 | 8 | 18 | 160 |
| 100 | 114.3 | 220 | 20 | 158 | 3 | M16 | 8 | 18 | 180 |
| 125 | 139.7 | 250 | 22 | 188 | 3 | M16 | 8 | 18 | 210 |
| 150 | 168.3 | 285 | 22 | 212 | 3 | M20 | 8 | 22 | 240 |
| 175 | 193.7 | 315 | 24 | 242 | 3 | M20 | 8 | 22 | 270 |
| 200 | 219.1 | 340 | 24 | 268 | 3 | M20 | 8 | 22 | 295 |
| 250 | 273 | 395 | 26 | 320 | 3 | M20 | 12 | 22 | 350 |
| 300 | 323.9 | 445 | 26 | 370 | 4 | M20 | 12 | 22 | 400 |
| 350 | 355.8 | 505 | 28 | 430 | 4 | M20 | 16 | 22 | 460 |
| 400 | 406.6 | 565 | 32 | 482 | 4 | M24 | 16 | 26 | 515 |
| 450 | - | 620 | - | - | - | - | 20 | 26 | 570 |
| 500 | 508 | 670 | 38 | 585 | 4 | M24 | 20 | 26 | 620 |
| 600 | 609.6 | 780 | 42 | 685 | 5 | M27 | 20 | 30 | 725 |
| 700 | 711.2 | 895 | 46 | 800 | 5 | M27 | 24 | 30 | 840 |
| 800 | 812.8 | 1015 | 52 | 905 | 5 | M30 | 24 | 33 | 950 |
| 900 | 914.4 | 1115 | 56 | 1005 | 5 | M30 | 28 | 33 | 1050 |
| 1000 | 1016 | 1230 | 62 | 1110 | 5 | M33 | 28 | 36 | 1160 |
| 1200 | 1220 | 1455 | 74 | 1330 | 5 | M36 | 32 | 39 | 1380 |