CENTRIFUGAL DIRECT DRIVE TWINFAN WITH FORWARD CURVED IMPELLER IN SOUNDPROOF CABINET
MANUFACTURING FEATURES
• Impellers made of reinforced polyamide with fiber glass up to size 12/12 (33/33). Size 15/15 made of galvanized steel sheet.
• DD range fans assembled in soundproof cabinets with thermo-acoustic elastomer insulation, M1 fire resistance.
• Fan assembled on antivibration mountings.
• Connection gland included.
• Equipped with inlet deflector wing, minimizing the turbulence and optimizing efficiency.
• Closed motors specially designed. Extruded aluminium motor housing. Totally enclosed wiring box IP-65. IP-54 motor protection and rated class F insulation. Standard voltages 230V 50 Hz for single phase and 230/400V 50Hz.
• Fans can run separately or simultaneously.
APPLICATIONS
Designed for inline installation, indoor or outdoor assembly, they are suitable for:
• Air renewal in buildings and industries.
• Industrial and professional kitchen hood.
• Maximum working temperature: 50ºC.
UNDER REQUEST
• 3 speed fans.
• LG0 position. 10% additional cost.
• Impeller made of galvanized sheet.
• Aluminium box up to size 12/12.
* All data are referred to a single working fan. If both fans are working at the same time, data should be twice (x2) except for weight.
| Fan sheet | ||
| Fan type | Fan with forward-curved blades < 5 kW or fan with backward-inclined blades | |
| Installation category | A - Fan in free inlet and free outlet conditions, and with a partition between the inlet and outlet areas | |
| Efficiency category | Static | |
| VF | A variable speed drive is not required | |
| Motor power (kW) | 2,2 | |
| Requirements 2026 | Values | |
| Max. efficiency (%) | 42.26 | 46.74 |
| Efficiency grade (N) | 52 | 56.49 |
| Maximum efficiency point data | ||
| Flow (m³/h) | 4932.8 | |
| Static pressure (Pa) | 409.21 | |
| Speed (rpm) | 900 | |
| Absorbed power (kW) | 1.18 | |
| Specific ratio | 1.00 | |