1.Propeller is statically and dynamically balanced
2.Patented centrifugal system permits an energy efficient solution
3.Powerful springs keep shutters firmly closed when fan is not operating
4.Every fan is individually checked for quality
5.Fan housing and Venturi made of strong 275g/m2 galvanized Steel Steel.
6.Shutters are made of pressed 275g/m2 galvanized Steel in order to ensure highest strength
7.Central hub and v-belt pulleypulley are made from die-cast aluminium, with reinforced ribs for prolonged lifetime
| PERFORMANCES | ||||||||
| Model | Dia.Blade | No.s Blade | Power | Air Flow m³/h | Out Size/mm | |||
| 0 Pa | 25pa | 50pa | ||||||
| QOMA-1000 | 910mm | 6 | 0.4kw | 16200 | 13000 | 7400 | 1000x1000x450 | |
| QOMA-1380 | 1270mm | 6 | 1.1kw | 39300 | 36000 | 31500 | 1380x1380x450 | |
| QOMA-1430 | 1320mm | 6 | 1.8kw | 46400 | 42800 | 38700 | 1430x1430x450 | |
