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Dimensions of PN 6 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 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} $ 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 75 50 11 4 M10 17.2 18 21 12 12 12 12 3 10 5 2 2.5 - 20 28 6 28 7 35 26 25 20 4
15 80 55 11 4 M10 21.3 22 25 12 12 12 12 3 10 5 2 2.5 - 20 30 6 30 7 38 30 30 26 4
20 90 65 11 4 M10 26.9 27.5 31 14 14 14 14 4 10 6 2.5 3 - 24 32 6 32 8 40 38 40 34 4
25 100 75 11 4 M10 33.7 34.5 38 14 14 14 14 4 10 7 2.5 3 - 24 35 6 35 10 40 42 50 44 4
32 120 90 14 4 M12 42.4 43.5 46 16 14 14 14 5 10 8 3 3 - 26 35 6 35 12 42 55 60 54 6
40 130 100 14 4 M12 48.3 49.5 53 16 14 14 14 5 10 8 3 3 - 26 38 7 38 15 45 62 70 64 6
50 140 110 14 4 M12 60.3 61.5 65 16 14 14 14 5 12 8 3 3 - 28 38 8 38 20 45 74 80 74 6
65 160 130 14 4 M12 76.1 77.5 81 16 14 14 14 6 12 8 3 3 55 32 38 9 38 20 45 88 100 94 6
80 190 150 18 4 M16 88.9 90.5 94 18 16 16 16 6 12 10 3 4 70 34 42 10 42 25 50 102 110 110 8
100 210 170 18 4 M16 114.3 116 120 18 16 16 16 6 14 10 4 4 90 40 45 10 45 25 52 130 130 130 8
125 240 200 18 8 M16 139.7 141.5 145 20 18 18 18 6 14 10 4 4 115 44 48 10 48 25 55 155 160 160 8
150 265 225 18 8 M16 168.3 170.5 174 20 18 18 18 6 14 10 5 4 140 44 48 12 48 25 55 184 185 182 10
200 320 280 18 8 M16 219.1 221.5 226 22 20 20 20 6 16 11 5 5 190 44 55 15 55 30 62 236 240 238 10
250 375 335 18 12 M16 273 276.5 281 24 22 22 22 8 18 12 8 - 235 44 60 15 60 - 68 290 295 284 12
300 440 395 22 12 M20 323.9 327.5 333 24 22 22 22 8 18 12 8 - 285 44 62 15 62 - 68 342 355 342 12
350 490 445 22 12 M20 355.6 359.5 365 26 22 22 22 8 18 13 8 - 330 - 62 15 62 - 68 385 - 392 12
400 540 495 22 16 M20 406.4 411 416 28 22 22 22 8 20 14 8 - 380 - 65 15 65 - 72 438 - 442 12
450 595 550 22 16 M20 457 462 467 30 22 22 24 8 20 15 8 - 425 - 65 15 72 - 72 492 - 494 12
500 645 600 22 20 M20 508 513.5 519 30 24 24 24 8 22 16 8 - 475 - 68 15 75 - 75 538 - 544 12
600 755 705 26 20 M24 610 616.5 622 32 30 30 30 8 22 16 - - 575 - 70 16 70 - - 640 - 642 12
700 860 810 26 24 M24 711 - 721 40 30 30 40 4 - 16 - - 670 - 76 16 70 - - 740 - 746 12
800 975 920 30 24 M27 813 - 824 44 30 30 44 4 - 16 - - 770 - 76 16 70 - - 842 - 850 12
900 1075 1020 30 24 M27 914 - 926 48 34 34 48 4 - 16 - - 860 - 78 16 70 - - 942 - 950 12
1000 1175 1120 30 28 M27 1016 - 1028 52 38 38 52 4 - 18 - - 960 - 82 16 70 - - 1045 - 1050 16
1200 1405 1340 33 32 M30 1219 - 1234 60 42 42 60 5 - 20 - - 1160 - 104 20 90 - - 1248 - 1264 16
1400 1630 1560 36 36 M33 1422 - - 72 56 56 68 - - - - - 1346 - 114 20 - - - 1452 - 1480 16
1600 1830 1760 36 40 M33 1626 - - 80 63 63 76 - - - - - 1546 - 119 20 - - - 1655 - 1680 16
1800 2045 1970 39 44 M36 1829 - - 88 69 69 84 - - - - - 1746 - 133 20 - - - 1855 - 1878 16
2000 2265 2180 42 48 M39 2032 - - 96 74 74 92 - - - - - 1950 - 146 25 - - - 2058 - 2082 16
2200 2475 2390 42 52 M39 2235 - - - 81 81 - - - - - - - - 154 25 - - - 2260 - - 18
2400 2685 2600 42 56 M39 2438 - - - 87 87 - - - - - - - - 168 25 - - - 2462 - - 18
2600 2905 2810 48 60 M45 2620 - - - 91 91 - - - - - - - - 175 25 - - - 2665 - - 18
2800 3115 3020 48 64 M45 2820 - - - 101 101 - - - - - - - - 188 30 - - - 2865 - - 18
3000 3315 3220 48 68 M45 3020 - - - 102 102 - - - - - - - - 192 30 - - - 3068 - - 18
3200 3525 3430 48 72 M45 3220 - - - 106 106 - - - - - - - - 202 30 - - - 3272 - - 20
3400 3735 3640 48 76 M45 3420 - - - 110 110 - - - - - - - - 214 35 - - - 3475 - - 20
3600 3970 3860 56 80 M52 3620 - - - 124 124 - - - - - - - - 229 35 - - - 3678 - - 20
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