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Dimensions of PN 16 flanges

This diagram illustrates the arrangement but not necessarily the correct number of bolt holes K D L
This diagram illustrates the arrangement but not necessarily the correct number of bolt holes
Flange type 01 C 1 B 1
Flange type 01
Flange type 02 and 32 B 2 B 1 d 1 E C 1 F 1
Flange type 02 and 32
Flange type 02 and 33 N 3 C 1 B 2 d 1 E
Flange type 02 and 33
Flange type 02 and 35 C 1 A S d 1 H 4 F 2
Flange type 02 and 35
Flange type 02 and 36 C 1 A S d 1 H 6 F 3
Flange type 02 and 36
Flange type 02 and 37 C 1 A S d 1 H 5 F 4
Flange type 02 and 37
Flange type 04 and 34 A B 3 S N 1 d 1 E H 2 F 1 C 1 H 3
Flange type 04 and 34
Flange type 05 C 4 G max
Flange type 05
Flange type 11 H 2 A N 1 S C 2 H 3 R 1
Flange type 11
Flange type 01 N 2 C 2 R 1 H 1 B 1
Flange type 12
Flange type 13 N 2 C 2 R 1 H 1
Flange type 13
Flange type 21 N 3 C 3 A C 3 N 3 R 1 R 1
Flange type 21

DN Outside diameter $ D $ , in $ \mathrm{mm} $ Diameter of bolt circle $ K $ , in $ \mathrm{mm} $ Diameter of bolt hole $ L $ , in $ \mathrm{mm} $ Number of bolts Bolts size Outside diameter of neck $ A $ , in $ \mathrm{mm} $ Bore diameters $ B_1 $ , in $ \mathrm{mm} $ Bore diameters $ B_2 $ , in $ \mathrm{mm} $ Bore diameters $ B_3 $ , in $ \mathrm{mm} $ Flange thickness $ C_1 $ , in $ \mathrm{mm} $ Flange thickness $ C_2 $ , in $ \mathrm{mm} $ Flange thickness $ C_3 $ , in $ \mathrm{mm} $ Flange thickness $ C_4 $ , in $ \mathrm{mm} $ Chamfer $ E $ , in $ \mathrm{mm} $ Collar thickness $ F_1 $ , in $ \mathrm{mm} $ Collar thickness $ F_2 $ , in $ \mathrm{mm} $ Collar thickness $ F_3 $ , in $ \mathrm{mm} $ Collar thickness $ F_4 $ , in $ \mathrm{mm} $ Centre portion $ G_{max} $ , in $ \mathrm{mm} $ Length $ H_1 $ , in $ \mathrm{mm} $ Length $ H_2 $ , in $ \mathrm{mm} $ Length $ H_3 $ , in $ \mathrm{mm} $ Length $ H_4 $ , in $ \mathrm{mm} $ Length $ H_5 $ , in $ \mathrm{mm} $ Length $ H_6 $ , in $ \mathrm{mm} $ Neck diameters $ N_1 $ , in $ \mathrm{mm} $ Neck diameters $ N_2 $ , in $ \mathrm{mm} $ Neck diameters $ N_3 $ , in $ \mathrm{mm} $ Corner radius $ R_1 $ , in $ \mathrm{mm} $
10 90 60 14 4 M12 17.2 18 21 31 14 16 16 16 3 12 5 2 2.5 - 22 35 6 35 7 35 28 30 28 4
15 95 65 14 4 M12 21.3 22 25 35 14 16 16 16 3 12 5 2 2.5 - 22 38 6 38 7 38 32 35 32 4
20 105 75 14 4 M12 26.9 27.5 31 42 16 18 18 18 4 14 6 2.5 3 - 26 40 6 40 8 40 40 45 40 4
25 115 85 14 4 M12 33.7 34.5 38 49 16 18 18 18 4 14 7 2.5 3 - 28 40 6 40 10 40 46 52 50 4
32 140 100 18 4 M16 42.4 43.5 47 59 18 18 18 18 5 14 8 3 3 - 30 42 6 42 12 42 56 60 60 6
40 150 110 18 4 M16 48.3 49.5 53 67 18 18 18 18 5 14 8 3 3 - 32 45 7 45 15 45 64 70 70 6
50 165 125 18 4 M16 60.3 61.5 65 77 20 18 18 18 5 16 8 3 4 - 28 45 8 45 20 45 74 84 84 6
65 185 145 18 8 M16 76.1 77.5 81 96 20 18 18 18 6 16 8 3 4 55 32 45 10 45 20 45 92 104 104 6
80 200 160 18 8 M16 88.9 90.5 94 108 20 20 20 20 6 16 10 3 4 70 34 50 10 50 25 50 105 118 120 6
100 220 180 18 8 M16 114.3 116 120 134 22 20 20 20 6 18 10 4 4 90 40 52 12 52 25 52 131 140 140 8
125 250 210 18 8 M16 139.7 141.5 145 162 22 22 22 22 6 18 10 4 4 115 44 55 12 55 25 55 156 168 170 8
150 285 240 22 8 M20 168.3 170.5 174 188 24 22 22 22 6 20 10 5 5 140 44 55 12 55 25 55 184 195 190 10
200 340 295 22 12 M20 219.1 221.5 226 240 26 24 24 24 6 20 11 6 6 190 44 62 16 62 30 62 235 246 246 10
250 405 355 26 12 M24 273 276.5 281 294 29 26 26 26 8 22 12 10 - 235 46 70 16 70 - 68 292 298 296 12
300 460 410 26 12 M24 323.9 327.5 333 348 32 28 28 28 8 24 14 10 - 285 46 78 16 78 - 68 344 350 350 12
350 520 470 26 16 M24 355.6 359.5 365 400 35 30 30 30 8 26 18 10 - 330 57 82 16 82 - 68 390 400 410 12
400 580 525 30 16 M27 406.4 411 416 454 38 32 32 32 8 28 20 10 - 380 63 85 16 85 - 72 445 456 458 12
450 640 585 30 20 M27 457 462 467 500 42 34 40 40 8 30 22 - - 425 68 83 16 87 - - 490 502 516 12
500 715 650 33 20 M30 508 513.5 519 556 46 36 44 44 8 32 22 - - 475 73 84 16 90 - - 548 559 576 12
600 840 770 36 20 M33 610 616.5 622 660 55 40 54 54 8 32 24 - - 575 83 88 18 95 - - 670 658 690 12
700 910 840 36 24 M33 711 - 721 - 63 40 - 58 8 - 26 - - 670 83 104 18 100 - - 755 760 760 12
800 1025 950 39 24 M36 813 - 824 - 74 41 - 62 8 - 28 - - 770 90 108 20 105 - - 855 864 862 12
900 1125 1050 39 28 M36 914 - 926 - 82 48 - 64 8 - 30 - - 860 94 118 20 110 - - 955 968 962 12
1000 1255 1170 42 28 M39 1016 - 1030 - 90 59 - 68 8 - 35 - - 960 100 137 22 120 - - 1058 1072 1076 16
1200 1485 1390 48 32 M45 1219 - - - - 78 - - - - - - - 1160 - 160 30 - - - 1262 - 1282 16
1400 1685 1590 48 36 M45 1422 - - - - 84 - - - - - - - 1346 - 177 30 - - - 1465 - 1482 16
1600 1930 1820 56 40 M52 1626 - - - - 102 - - - - - - - 1546 - 204 35 - - - 1668 - 1696 16
1800 2130 2020 56 44 M52 1829 - - - - 110 - - - - - - - 1746 - 218 35 - - - 1870 - 1896 16
2000 2345 2230 62 48 M56 2032 - - - - 124 - - - - - - - 1950 - 238 40 - - - 2072 - 2100 16
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