Dimensions of PN 40 flanges
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} $ | 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} $ | 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 | - | 22 | 35 | 6 | 35 | 28 | 30 | 28 | 4 |
15 | 95 | 65 | 14 | 4 | M12 | 21.3 | 22 | 25 | 35 | 14 | 16 | 16 | 16 | 3 | 12 | 5 | - | 22 | 38 | 6 | 38 | 32 | 35 | 32 | 4 |
20 | 105 | 75 | 14 | 4 | M12 | 26.9 | 27.5 | 31 | 42 | 16 | 18 | 18 | 18 | 4 | 14 | 6 | - | 26 | 40 | 6 | 40 | 40 | 45 | 40 | 4 |
25 | 115 | 85 | 14 | 4 | M12 | 33.7 | 34.5 | 38 | 49 | 16 | 18 | 18 | 18 | 4 | 14 | 7 | - | 28 | 40 | 6 | 40 | 46 | 52 | 50 | 4 |
32 | 140 | 100 | 18 | 4 | M16 | 42.4 | 43.5 | 47 | 59 | 18 | 18 | 18 | 18 | 5 | 14 | 8 | - | 30 | 42 | 6 | 42 | 56 | 60 | 60 | 6 |
40 | 150 | 110 | 18 | 4 | M16 | 48.3 | 49.5 | 53 | 67 | 18 | 18 | 18 | 18 | 5 | 14 | 8 | - | 32 | 45 | 7 | 45 | 64 | 70 | 70 | 6 |
50 | 165 | 125 | 18 | 4 | M16 | 60.3 | 61.5 | 65 | 77 | 20 | 20 | 20 | 20 | 5 | 16 | 10 | - | 34 | 48 | 8 | 48 | 75 | 84 | 84 | 6 |
65 | 185 | 145 | 18 | 8 | M16 | 76.1 | 77.5 | 81 | 96 | 22 | 22 | 22 | 22 | 6 | 16 | 11 | 55 | 38 | 52 | 10 | 52 | 90 | 104 | 104 | 6 |
80 | 200 | 160 | 18 | 8 | M16 | 88.9 | 90.5 | 94 | 114 | 24 | 24 | 24 | 24 | 6 | 18 | 12 | 70 | 40 | 58 | 12 | 58 | 105 | 118 | 120 | 8 |
100 | 235 | 190 | 22 | 8 | M20 | 114.3 | 116 | 120 | 138 | 26 | 24 | 24 | 24 | 6 | 20 | 14 | 90 | 44 | 65 | 12 | 65 | 134 | 145 | 142 | 8 |
125 | 270 | 220 | 26 | 8 | M24 | 139.7 | 141.5 | 145 | 166 | 28 | 26 | 26 | 26 | 6 | 22 | 16 | 115 | 48 | 68 | 12 | 68 | 162 | 170 | 162 | 8 |
150 | 300 | 250 | 26 | 8 | M24 | 168.3 | 170.5 | 174 | 194 | 30 | 28 | 28 | 28 | 6 | 24 | 18 | 140 | 52 | 75 | 12 | 75 | 192 | 200 | 192 | 10 |
200 | 375 | 320 | 30 | 12 | M27 | 219.1 | 221.5 | 226 | 250 | 36 | 34 | 34 | 36 | 6 | 28 | 20 | 190 | 52 | 88 | 16 | 88 | 244 | 260 | 254 | 10 |
250 | 450 | 385 | 33 | 12 | M30 | 273 | 276.5 | 281 | 312 | 42 | 38 | 38 | 38 | 8 | 30 | 22 | 235 | 60 | 105 | 18 | 105 | 306 | 312 | 312 | 12 |
300 | 515 | 450 | 33 | 16 | M30 | 323.9 | 327.5 | 333 | 368 | 52 | 42 | 42 | 42 | 8 | 34 | 25 | 285 | 67 | 115 | 18 | 115 | 362 | 380 | 378 | 12 |
350 | 580 | 510 | 36 | 16 | M33 | 355.6 | 359.5 | 365 | 418 | 58 | 46 | 46 | 46 | 8 | 36 | 28 | 330 | 72 | 125 | 20 | 125 | 408 | 424 | 432 | 12 |
400 | 660 | 585 | 39 | 16 | M36 | 406.4 | 411 | 416 | 472 | 65 | 50 | 50 | 50 | 8 | 42 | 32 | 380 | 78 | 135 | 20 | 135 | 462 | 478 | 498 | 12 |
450 | 685 | 610 | 39 | 20 | M36 | 457 | 462 | 467 | 510 | - | 57 | 57 | 57 | 8 | 46 | - | 425 | 84 | 135 | 20 | - | 500 | 522 | 522 | 12 |
500 | 755 | 670 | 42 | 20 | M39 | 508 | 513.5 | 519 | 572 | - | 57 | 57 | 57 | 8 | 50 | - | 475 | 90 | 140 | 20 | - | 562 | 576 | 576 | 12 |
600 | 890 | 795 | 48 | 20 | M45 | 610 | 616.5 | 622 | 676 | - | 72 | 72 | 72 | 8 | 54 | - | 575 | 100 | 150 | 20 | - | 666 | 686 | 686 | 12 |
700 | 995 | 900 | 48 | 24 | M45 | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - |
800 | 1140 | 1030 | 56 | 24 | M52 | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - |
900 | 1250 | 1140 | 56 | 28 | M52 | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - |
1000 | 1360 | 1250 | 56 | 28 | M52 | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - |
1200 | 1575 | 1460 | 62 | 32 | M56 | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - |
1400 | 1795 | 1680 | 62 | 36 | M56 | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - |
1600 | 2025 | 1900 | 70 | 40 | M64 | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - |