TABLE 42 PLATE FLANGES FOR WELDING
Nominal pressure 16.0 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 | 100 | 22 | 40 | 2 | M12 | 4 | 14 | 70 |
| 15 | 21.3 | 150 | 24 | 45 | 2 | M12 | 4 | 14 | 75 |
| 20 | 26.9 | 130 | 26 | 58 | 2 | M16 | 4 | 18 | 90 |
| 25 | 33.7 | 140 | 26 | 68 | 2 | M16 | 4 | 18 | 100 |
| 32 | 42.4 | 155 | 28 | 78 | 2 | M20 | 4 | 22 | 110 |
| 40 | 48.3 | 170 | 30 | 88 | 3 | M20 | 4 | 22 | 125 |
| 50 | 60.3 | 195 | 34 | 102 | 3 | M24 | 4 | 26 | 145 |
| 65 | 76.1 | 220 | 36 | 122 | 3 | M24 | 8 | 26 | 170 |
| 80 | 88.9 | 230 | 40 | 138 | 3 | M24 | 8 | 26 | 180 |
| 100 | 114.3 | 265 | 44 | 162 | 3 | M27 | 8 | 30 | 210 |
| 125 | 139.7 | 315 | 54 | 188 | 3 | M30 | 8 | 33 | 250 |
| 150 | 168.3 | 355 | 62 | 218 | 3 | M30 | 12 | 33 | 290 |
| 175 | 193.7 | 390 | 68 | 260 | 3 | M33 | 12 | 36 | 320 |
| 200 | 219.1 | 430 | 76 | 285 | 3 | M33 | 12 | 36 | 360 |
| 250 | 273 | 515 | 90 | 345 | 3 | M39 | 12 | 42 | 430 |
| 300 | 323.9 | 585 | 106 | 410 | 4 | M39 | 16 | 42 | 500 |