TABLE 17 PLATE FLANGES FOR WELDING

Nominal Pressure 1.6 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 12 22 295
250 273 405 26 320 3 M24 12 26 355
300 323.9 460 28 378 4 M24 12 26 410
350 355.6 520 32 438 4 M24 16 26 470
400 406.4 580 36 490 4 M27 16 30 525
500 508 715 44 610 4 M30 20 33 650
600 609.6 840 52 725 5 M33 20 36 770
700 711.2 910 58 795 5 M33 24 36 840
800 812.8 1025 64 900 5 M36 24 39 950
900 914.4 1125 72 1000 5 M36 28 39 1050
1000 1016 1255 78 1115 5 M39 28 42 1170
1200 1220 1485 95 1330 5 M45 32 48 1390
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