Gasket dimensions for tongue/groove flanges as DIN 2691 (PN 10 – 160)
| DN | d1 [mm] | d2 [mm] |
| 4-6 | 20 | 30 |
| 8 | 22 | 32 |
| 10 | 24 | 34 |
| 15 | 29 | 39 |
| 20 | 36 | 50 |
| 25 | 43 | 57 |
| 32 | 51 | 65 |
| 40 | 61 | 75 |
| 50 | 73 | 87 |
| 65 | 95 | 109 |
| 80 | 106 | 120 |
| 100 | 129 | 149 |
| 125 | 155 | 175 |
| 150 | 183 | 203 |
| 175 | 213 | 233 |
| 200 | 239 | 259 |
| 250 | 292 | 312 |
| 300 | 343 | 363 |
| 350 | 395 | 421 |
| 400 | 447 | 473 |
| 500 | 549 | 575 |
| 600 | 649 | 675 |
| 700 | 751 | 777 |
| 800 | 856 | 882 |
| 900 | 961 | 987 |
| 1000 | 1062 | 1092 |
