Effective fan with a very large diameter
1.High air performance with low energy consumption
2.Shutter opens by means of air flow and stays open thanks to counterweights,minimal air resistance
3.Motor without cooling fan , very lowmaintenance
4.Stable construction with high-grade, coated andcorrosion resistant parts;
5.Proven reliability, high efficiency and applicable in the most extreme circumstances
| PERFORMANCES | ||||||||
| Model | Dia.Blade | No.s Blade | Power | Air Flow m³/h | Out Size/mm | |||
| 0 Pa | 25pa | 50pa | ||||||
| QOMA/NC-1380 | 1280mm | 3 | 1.1kw | 48800 | 43900 | 38000 | 1460*1460*1416 | |
1.Reasonable cone designing, low noise, big air flow
2.Using the advanced open system of two doors, low resistance
3.Propeller is statically and dynamically balanced
4.Every fan is individually checked for quality
5.Fan housing and Venturi made of strong 275g/m2 galvanized Steel Steel.
6.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/BC-1380 | 1270 | 6 | 1.1kw | 43900 | 40500 | 35400 | 1380*1380*1400 | |
| QOMA/BC-1430 | 1320 | 6 | 1.8kw | 53400 | 48900 | 43600 | 1430x1430x1400 | |
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 SUPERDYMA Steel.
6.Shutters are made of pressed SUPERDYMA 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/CS-1380 | 1270 | 6 | 1.1kw | 43900 | 40500 | 35400 | 1380*1380*1400 | |
1.Fan housing and Frame is UV resistant fiberglass housing， tmore strong and High durability
2.Blade is glass-fibre reinforced plastic, Air guiderails on every blade ensure a large air capacity combined with a low resistance and thus low energy consumption
3.All internal hardware are made of hot dip galvanization and aluminum to ensure maximum corrosion protection
4.Easy to maintain and install
5.Easy to clean for optimal hygiene
| PERFORMANCES | ||||||||
| Model | Dia.Blade | No.s Blade | Power | Air Flow m³/h | Out Size/mm | |||
| 0 Pa | 25pa | 50pa | ||||||
| QOMA/FC-1380 | 1280mm | 3 | 1.1kw | 48800 | 43900 | 3800 | 1460*1460*1416 | |
