TABLE 34 PLATE FLANGES FOR WELDING
Nominal pressure 6.4 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 | 20 | 40 | 2 | M12 | 4 | 14 | 70 |
15 | 21.3 | 105 | 20 | 45 | 2 | M12 | 4 | 14 | 75 |
20 | 26.9 | 130 | 22 | 58 | 2 | M16 | 4 | 18 | 90 |
25 | 33.7 | 140 | 24 | 68 | 2 | M16 | 4 | 18 | 100 |
32 | 42.4 | 155 | 24 | 78 | 2 | M20 | 4 | 22 | 110 |
40 | 48.3 | 170 | 26 | 88 | 3 | M20 | 4 | 22 | 125 |
50 | 60.3 | 180 | 26 | 102 | 3 | M20 | 4 | 22 | 135 |
65 | 76.1 | 205 | 26 | 122 | 3 | M20 | 8 | 22 | 160 |
80 | 88.9 | 215 | 30 | 138 | 3 | M20 | 8 | 22 | 170 |
100 | 114.3 | 250 | 32 | 168 | 3 | M24 | 8 | 26 | 200 |
125 | 139.7 | 295 | 34 | 188 | 3 | M27 | 8 | 30 | 240 |
150 | 168.3 | 345 | 36 | 218 | 3 | M30 | 8 | 33 | 280 |
175 | 193.7 | 375 | 40 | 260 | 3 | M30 | 12 | 33 | 310 |
200 | 219.1 | 415 | 46 | 285 | 3 | M33 | 12 | 36 | 345 |
250 | 273 | 470 | 54 | 345 | 3 | M33 | 12 | 36 | 400 |
300 | 323.9 | 530 | 62 | 410 | 4 | M33 | 16 | 36 | 460 |
350 | 355.8 | 600 | 72 | 465 | 4 | M36 | 16 | 39 | 525 |
400 | 406.4 | 670 | 78 | 535 | 4 | M39 | 16 | 42 | 585 |