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Dimensions of PN 100 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 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} $ 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} $ 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} $ 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} $
10 100 70 14 4 M12 17.2 18 20 20 20 20 - 28 45 6 32 40 40 4
15 105 75 14 4 M12 21.3 22 20 20 20 20 - 28 45 6 34 43 45 4
20 130 90 18 4 M16 26.9 27.5 22 22 22 22 - 30 48 8 42 52 50 4
25 140 100 18 4 M16 33.7 34.5 24 24 24 24 - 32 58 8 52 60 61 4
32 155 110 22 4 M20 42.4 43.5 24 24 26 24 - 32 60 8 62 68 68 6
40 170 125 22 4 M20 48.3 49.5 26 26 28 26 - 34 62 10 70 80 82 6
50 195 145 26 4 M24 60.3 61.5 28 28 30 28 - 36 68 10 90 95 96 6
65 220 170 26 8 M24 76.1 77.5 30 30 34 30 45 40 76 12 108 118 118 6
80 230 180 26 8 M24 88.9 90.5 34 32 36 32 60 44 78 12 120 130 128 8
100 265 210 30 8 M27 114.3 116 36 36 40 36 80 52 90 12 150 158 150 8
125 315 250 33 8 M30 139.7 141.5 42 40 40 40 105 56 105 12 180 188 185 8
150 355 290 33 12 M30 168.3 170.5 48 44 44 44 130 60 115 12 210 225 216 10
200 430 360 36 12 M33 219.1 221.5 60 52 52 52 180 - 130 16 278 - 278 10
250 505 430 39 12 M36 273 276.5 72 60 60 60 210 - 157 18 340 - 340 12
300 585 500 42 16 M39 323.9 327.5 84 68 68 68 260 - 170 18 400 - 407 12
350 655 560 48 16 M45 355.6 359.5 95 74 74 74 300 - 189 20 460 - 460 12
400 715 620 48 16 M45 406.4 411 - - - - - - - - - - - -
500 870 760 56 20 M52 508 513.5 - - - - - - - - - - - -
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