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