TABLE 6/3 STEEL PLATE FLANGES FOR WELDING

Nominal pressure 6 bar (1 bar = 100000 N/m2)

Nom size pipe o.d. d1 FLANGE Raised face Bolting ..............Drilling.................
D b d4 f No. d2 k
10 17.2 75 12 35 2 M10 4 11 50
15 21.3 80 12 40 2 M10 4 11 55
20 26.9 90 14 50 2 M10 4 11 65
25 33.7 100 14 60 2 M10 4 11 75
32 42.4 120 16 70 2 M12 4 14 90
40 48.3 130 16 80 3 M12 4 14 100
50 60.3 140 16 90 3 M12 4 14 110
65 76.1 160 16 110 3 M12 4 14 130
80 88.9 190 18 128 3 M16 4 18 150
100 114.3 210 18 148 3 M16 4 18 170
125 139.7 240 20 178 3 M16 8 18 200
150 168.3 265 20 202 3 M16 8 18 225
200 219.1 320 22 258 3 M16 8 18 280
250 273 375 24 312 3 M16 12 18 335
300 323.9 440 24 365 4 M20 12 22 395
350 355.6 490 26 415 4 M20 12 22 445
400 406.4 540 28 465 4 M20 16 22 495
450 457.2 595 30 520 4 M20 16 22 550
500 508 645 30 570 4 M20 20 22 600
600 609.6 755 32 670 5 M24 20 26 705
700 711.2 860 34 775 5 M24 24 26 810
800 812.8 975 38 880 5 M27 24 30 920
900 914.4 1075 42 980 5 M27 24 30 1020
1000 1016 1175 46 1080 5 M27 28 30 1120
1200 1220 1405 56 1295 5 M30 32 33 1340
1400 1420 1630 66 1510 5 M33 36 36 1560
1600 1620 1830 74 1710 5 M33 40 36 1760
1800 1820 2045 84 1920 5 M36 44 39 1970
2000 2020 2265 92 2125 5 M39 48 42 2180
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