| DN | Flange Outside Diameter (D) | Cast Iron Flange Thickness (b CI) | Ductile Iron Flange Thickness (b DI) | Raised Face Diameter (d3) | Raised Face Height (f) | Bolt Size | Number of Drilling Holes (No.) | Bolt Hole Diameter (d1) | Pitch Circle Diameter (d) | Neck Diameter (d2) | Neck Radius (r) |
|---|---|---|---|---|---|---|---|---|---|---|---|
| 10 | 90 | 14 | N/A | 41 | 2 | M12 | 4 | 14 | 60 | 28 | 3 |
| 15 | 95 | 14 | N/A | 46 | 2 | M12 | 4 | 14 | 65 | 32 | 3 |
| 20 | 105 | 16 | N/A | 56 | 2 | M12 | 4 | 14 | 75 | 40 | 4 |
| 25 | 115 | 16 | N/A | 65 | 3 | M12 | 4 | 14 | 85 | 50 | 4 |
| 32 | 140 | 18 | N/A | 76 | 3 | M16 | 4 | 18 | 100 | 60 | 5 |
| 40 | 150 | 18 | 19 | 84 | 3 | M16 | 4 | 18 | 110 | 70 | 5 |
| 50 | 165 | 20 | 19 | 99 | 3 | M16 | 4 | 18 | 125 | 84 | 5 |
| 65 | 185 | 20 | 19 | 118 | 3 | M16 | 4 | 18 | 145 | 104 | 6 |
| 80 | 200 | 22 | 19 | 132 | 3 | M16 | 8 | 18 | 160 | 120 | 6 |
| 100 | 220 | 24 | 19 | 156 | 3 | M16 | 8 | 18 | 180 | 140 | 6 |
| 1251) | 250 | 26 | 19 | 184 | 3 | M16 | 8 | 18 | 210 | 190 | 6 |
| 150 | 285 | 26 | 19 | 211 | 3 | M20 | 8 | 22 | 240 | 190 | 6 |
| 1751) | 315 | 30 | 20 | 240 | 3 | M20 | 8 | 22 | 270 | 217 | 8 |
| 200 | 340 | 30 | 20 | 266 | 3 | M20 | 12 | 22 | 295 | 246 | 8 |
| 2251) | 370 | 32 | 22 | 293 | 3 | M20 | 12 | 22 | 325 | 273 | 8 |
| 250 | 405 | 32 | 22 | 319 | 3 | M24 | 12 | 26 | 355 | 296 | 10 |
| 300 | 460 | 32 | 24,5 | 370 | 4 | M24 | 12 | 26 | 410 | 350 | 10 |
| 350 | 520 | 36 | 26,5 | 429 | 4 | M24 | 16 | 26 | 470 | 410 | 10 |
| 400 | 580 | 38 | 28 | 480 | 4 | M24 | 16 | 26 | 525 | 458 | 10 |
| 450 | 640 | 40 | 30 | 530 | 4 | M24 | 20 | 26 | 585 | 516 | 12 |
| 500 | 715 | 42 | 31,5 | 582 | 4 | M30 | 20 | 33 | 650 | 576 | 12 |
| 5501) | 775 | 48 | 36 | 670 | 5 | M30 | 20 | 33 | 710 | 636 | 12 |
| 600 | 840 | 48 | 36 | 682 | 5 | M30 | 20 | 33 | 770 | 690 | 12 |
| 6501) | 860 | 54 | 40 | 760 | 5 | M30 | 24 | 33 | 790 | 723 | 12 |
| 700 | 910 | 54 | 39,5 | 794 | 5 | M36 | 24 | 33 | 840 | 760 | 12 |
| 750 | 970 | 58 | 43 | 850 | 5 | M36 | 24 | 39 | 900 | 815 | 12 |
| 800 | 1 025 | 58 | 43 | 901 | 5 | M36 | 24 | 39 | 950 | 862 | 12 |
| 900 | 1 125 | 62 | 46,5 | 1 001 | 5 | M36 | 28 | 39 | 1 050 | 962 | 12 |
| 1000 | 1 255 | 66 | 50 | 1 112 | 5 | M36 | 28 | 39 | 1 170 | 1 076 | 12 |
| 1200 | 1 485 | N/A | 57 | 1 328 | 5 | M42 | 32 | 45 | 1 390 | 1 282 | 15 |
| 1400 | 1 685 | N/A | 60 | 1 530 | 5 | M42 | 36 | 45 | 1 590 | 1 482 | 12 |
| 15001) | 1 820 | N/A | 63 | 1 650 | 5 | M42 | 40 | 45 | 1 710 | 1 690 | 12 |
| 1600 | 1 930 | N/A | 65 | 1 750 | 5 | M48 | 40 | 52 | 1 820 | 1 696 | 12 |
| 1800 | 2 130 | N/A | 70 | 1 950 | 5 | M48 | 44 | 52 | 2 020 | 1 896 | 15 |
| 2000 | 2 345 | N/A | 75 | 2 150 | 5 | M56 | 48 | 62 | 2 230 | 2 100 | 15 |
| 1) Non-preferred size. | |||||||||||
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