| 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 ÷ 1000 | 375 | 700, 840 | 250 |
| 440 | 770, 900 | |||
| 650 ÷ 1200 | 555 | 880, 1020 | 280 |
