| Recommended operating parameters | ||
| The minium diameter of the drums (mm) | Maximum effective working angle | Opportunity to working in trough |
| 250 | 30° | YES |



| B mm | b mm | t mm | |
| Herringbone 35° divided | 300 ÷ 400 | 265; 316 | 200 |
| 500 ÷ 600 | 415; 465 | ||
| 650 | 565; 615 | ||
| 800 ÷ 1000 | 715; 770 | ||
| 1000 ÷ 1200 | 860; 1010 |