| Recommended operating parameters | ||
| The minimum diameter of the drums (mm) | Maximum effective working angle | Opportunity to working in trough |
| 250 | 30° | YES |
| B mm | b1 mm | b2 mm | t mm | |
| Herringbone 35° | 400 ÷ 800 | 375 | 250 | |
| 400 ÷ 800 | 375 | 720 | 250 | |
| 800 ÷ 1200 | 555 | 850; 900; 1030 | 280 |
