| Art. No | external diameter of pre-insulated pipe m / m | external diameter of the protective tube m / m | Minimum length m / m |
|---|---|---|---|
| 811110180 | 90-110 | 180 | 550 |
| 811125180 | 125 | 180 | 550 |
| 811140180 | 140 | 180 | 650 |
| 811160200 | 160 | 200 | 650 |
| 811200250 | 200 | 250 | 650 |
| 811224280 | 224 | 280 | 650 |