| DN |
Outside Diameter of Flange (D) |
Thickness of flange minimum (b) |
Diameter of Raised Face (d3) |
Height of Raised Face (f) |
Bolt Size (M) |
Number of Drilling Holes (No.) |
Bolt Hole diameter (d1) |
Pitch Circle of Bolt Holes (d) |
Neck Diameter (d2) | Radius (r) |
|---|---|---|---|---|---|---|---|---|---|---|
| 10 | 90 | 14 | 41 | 2 | M12 | 4 | 14 | 60 | 28 | 3 |
| 15 | 95 | 14 | 46 | 2 | M12 | 4 | 14 | 65 | 32 | 3 |
| 20 | 105 | 16 | 56 | 2 | M12 | 4 | 14 | 75 | 40 | 4 |
| 25 | 115 | 16 | 65 | 2 | M12 | 4 | 14 | 85 | 50 | 4 |
| 32 | 140 | 18 | 76 | 2 | M16 | 4 | 18 | 100 | 60 | 5 |
| 40 | 150 | 18 | 84 | 2 | M16 | 4 | 18 | 110 | 70 | 5 |
| 50 | 165 | 20 | 99 | 2 | M16 | 4 | 18 | 125 | 84 | 5 |
| 65 | 185 | 22 | 118 | 2 | M16 | 8 | 18 | 145 | 104 | 6 |
| 80 | 200 | 24 | 132 | 2 | M16 | 8 | 18 | 160 | 120 | 6 |
| 100 | 235 | 24 | 156 | 2 | M20 | 8 | 22 | 190 | 142 | 6 |
| 1251) | 270 | 26 | 184 | 2 | M24 | 8 | 26 | 220 | 162 | 8 |
| 150 | 300 | 28 | 211 | 2 | M24 | 8 | 26 | 250 | 192 | 8 |
| 1751) | 350 | 32 | 260 | 2 | M24 | 12 | 26 | 295 | 223 | 8 |
| 200 | 375 | 34 | 284 | 2 | M24 | 12 | 26 | 320 | 254 | 8 |
| 2251) | 420 | 38 | 317 | 2 | M30 | 12 | 33 | 355 | 280 | 10 |
| 250 | 450 | 38 | 345 | 2 | M30 | 12 | 33 | 385 | 312 | 10 |
| 300 | 515 | 42 | 409 | 2 | M30 | 16 | 33 | 450 | 378 | 10 |
| 350 | 580 | 46 | 448 | 2 | M30 | 16 | 33 | 510 | 432 | 10 |
| 400 | 660 | 50 | 503 | 2 | M36 | 16 | 39 | 585 | 498 | 10 |
| 450 | 685 | 57 | 548 | 2 | M36 | 20 | 39 | 610 | 522 | 12 |
| 500 | 755 | 57 | 609 | 2 | M36 | 20 | 39 | 670 | 576 | 12 |
| 5501) | 835 | 60 | 680 | 2 | M42 | 20 | 45 | 740 | 636 | 12 |
| 600 | 890 | 72 | 720 | 2 | M42 | 20 | 45 | 795 | 686 | 12 |
| 1) Non-preferred size. | ||||||||||
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