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DIMENSIONAL DETAILS OF FLANGES (PN 10,16,25,40)
| Pressure PN | PN 10 | PN 16 | PN 25 | PN 40 | ||||||||||||||||
| Nominal Diameter DN |
D (mm) |
C (mm) |
Bolts |
D (mm) |
C (mm) |
Bolts |
D (mm) |
C (mm) |
Bolts |
D (mm) |
C (mm) |
Bolts | ||||||||
| Numbers | Dia. (mm) | d (mm) | Numbers | Dia. (mm) | d (mm) | Numbers | Dia. (mm) | d (mm) | Numbers | Dia. (mm) | d (mm) | |||||||||
| 40 | 150 | 110 | 4 | M16 | 19 | 150 | 110 | 4 | M16 | 19 | 150 | 110 | 4 | M16 | 19 | 150 | 110 | 4 | M16 | 19 |
| 50 | 165 | 125 | 4 | M16 | 19 | 165 | 125 | 4 | M16 | 19 | 165 | 125 | 4 | M16 | 19 | 165 | 125 | 4 | M16 | 19 |
| 65 | 185 | 145 | 4 | M16 | 19 | 185 | 145 | 4 | M16 | 19 | 185 | 145 | 8 | M16 | 19 | 185 | 145 | 8 | M16 | 19 |
| 80 | 200 | 160 | 8 | M16 | 19 | 200 | 160 | 8 | M16 | 19 | 200 | 160 | 8 | M16 | 19 | 200 | 160 | 8 | M16 | 19 |
| 100 | 220 | 180 | 8 | M16 | 19 | 220 | 180 | 8 | M16 | 19 | 235 | 190 | 8 | M20 | 23 | 235 | 190 | 8 | M20 | 23 |
| 150 | 285 | 240 | 8 | M20 | 23 | 285 | 240 | 8 | M20 | 23 | 300 | 250 | 8 | M24 | 28 | 300 | 250 | 8 | M24 | 28 |
| 200 | 340 | 295 | 8 | M20 | 23 | 340 | 295 | 12 | M20 | 23 | 360 | 310 | 12 | M24 | 28 | 375 | 320 | 12 | M27 | 31 |
| 250 | 400 | 350 | 12 | M20 | 23 | 400 | 355 | 12 | M24 | 28 | 425 | 370 | 12 | M27 | 31 | 450 | 385 | 12 | M30 | 34 |
| 300 | 455 | 400 | 12 | M20 | 23 | 455 | 410 | 12 | M24 | 28 | 485 | 430 | 16 | M27 | 31 | 515 | 450 | 16 | M30 | 34 |
| 350 | 505 | 460 | 16 | M20 | 23 | 520 | 470 | 16 | M24 | 28 | 555 | 490 | 16 | M30 | 34 | - | - | - | - | - |
| 400 | 565 | 515 | 16 | M24 | 28 | 580 | 525 | 16 | M27 | 31 | 620 | 550 | 16 | M33 | 37 | - | - | - | - | - |
| 500 | 670 | 620 | 20 | M24 | 28 | 715 | 650 | 20 | M30 | 34 | 730 | 660 | 20 | M33 | 37 | - | - | - | - | - |
| 600 | 780 | 725 | 20 | M27 | 31 | 840 | 770 | 20 | M33 | 37 | 845 | 770 | 20 | M36 | 40 | - | - | - | - | - |
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