DIN cast iron flanges: PN10 - PN16
In acc. with EN DIN 1092-2.
This chart is for information purposes only.
For detailed information please refer to primary standards.
D [mm] - outside diameter
K [mm] - diameter of bolt circle
Qty - number of bolts
Size - size of bolts
| DN | PN10 | PN16 | ||||||
|---|---|---|---|---|---|---|---|---|
| D | K | Qty. | Size | D | K | Qty. | Size | |
| 10 | 90 | 60 | 4 | M-12 | 90 | 60 | 4 | M-12 |
| 15 | 95 | 65 | 4 | M-12 | 95 | 65 | 4 | M-12 |
| 20 | 105 | 75 | 4 | M-12 | 105 | 75 | 4 | M-12 |
| 25 | 115 | 85 | 4 | M-12 | 115 | 85 | 4 | M-12 |
| 32 | 140 | 100 | 4 | M-16 | 140 | 100 | 4 | M-16 |
| 40 | 150 | 110 | 4 | M-16 | 150 | 110 | 4 | M-16 |
| 50 | 165 | 125 | 4 | M-16 | 165 | 125 | 4 | M-16 |
| 65 | 185 | 145 | 4 | M-16 | 185 | 145 | 4 | M-16 |
| 80 | 200 | 160 | 8 | M-16 | 200 | 160 | 8 | M-16 |
| 100 | 220 | 180 | 8 | M-16 | 220 | 180 | 8 | M-16 |
| 125 | 250 | 210 | 8 | M-16 | 250 | 210 | 8 | M-16 |
| 150 | 285 | 240 | 8 | M-20 | 285 | 240 | 8 | M-20 |
| 200 | 340 | 295 | 8 | M-20 | 340 | 295 | 12 | M-20 |
| 250 | 395 | 350 | 12 | M-20 | 405 | 355 | 12 | M-24 |
| 300 | 445 | 400 | 12 | M-20 | 460 | 410 | 12 | M-24 |
| 350 | 505 | 460 | 16 | M-20 | 520 | 470 | 16 | M-24 |
| 400 | 565 | 515 | 16 | M-24 | 580 | 525 | 16 | M-27 |
| 450 | 615 | 565 | 20 | M-24 | 640 | 585 | 20 | M-27 |
| 500 | 670 | 620 | 20 | M-24 | 715 | 650 | 20 | M-30 |
| 600 | 780 | 725 | 20 | M-27 | 840 | 770 | 20 | M-33 |
| 700 | 895 | 840 | 24 | M-27 | 910 | 840 | 24 | M-33 |
| 800 | 1015 | 950 | 24 | M-30 | 1025 | 950 | 24 | M-36 |
| 900 | 1115 | 1050 | 28 | M-30 | 1125 | 1050 | 28 | M-36 |
| 1000 | 1230 | 1160 | 28 | M-33 | 1255 | 1170 | 28 | M-39 |
| 1200 | 1455 | 1380 | 32 | M-36 | 1485 | 1390 | 32 | M-45 |
| 1400 | 1675 | 1590 | 36 | M-39 | 1685 | 1590 | 36 | M-45 |