The hopper- bottomed silos with an open funnel are made on load-bearing legs or reinforced concrete pillars.
The standard offer includes silos with a hopper angle of 40˚, 50˚ and 60˚. The capacity of hopper silos with an open funnel, depending on the selected tank diameter (from 3.8 to 9.6m), is from 32 to 1153 m³, what means maximum capacity of 900 tons of wheat.
| Standard silo equipment | Additional silo equipment |
| 1. Silo roof | 12. Radar sensor |
| 2. Roof vents | 13. Roof electric fan |
| 3. Fan connections / connections | 14. Gravity ventilation |
| 4. Roof hatch | 15. External ladder with hoops |
| 5. Side hatch | 16. Rest platforms |
| 6. Supporting columns of the silo | 17. Gallery with supports for the transport |
| 7. Side sheathing of the silo | 18. Roof stairs |
| 8. Silo hopper | 19. Temperature probe with a measuring system |
| 9. A set of connectors | 20. Lower fan for ventilation of grain - fixed or passable |
| 10. Set of anchors fixing the silo to the ground | 21. Silo hopper air supply system |
| 11. Maximum filling sensor | 22. Percentage selector |
| 23. Electric, pneumatic or manual under-silo valve | |
| 24. Automatic control system | |
| 25. Vibratory discharger | |

