| Recommended operating parameters | ||
| The minimum diameter of the drums (mm) | Maximum effective working angle | Opportunity to working in trough |
| 250 | 30° | YES |
| B mm | b mm | t mm | |
| 35° split herringbone with side slats | 350 ÷ 500 | 290; 405 | 200 |
| 500 ÷ 600 | 445; 550 | ||
| 650 ÷ 800 | 600; 700; 755 | ||
| 1000 ÷ 1200 | 855; 905; 1000 |
