CENTRIFUGAL DIRECT DRIVE FAN WITH FORWARD CURVED IMPELLER IN SOUNDPROOF CABINET
MANUFACTURING FEATURES:
• Impellers made of polyamide reinforced with fiberglass up to size 33/33 (12/12). Rest of models 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.
• Closed motors specially designed with extruded aluminum housing, which make the whole connection is protected within the integrated terminal box on the motor with IP-65 protection. Motor with IP-54 protection and Class F insulation standard voltages: 230V 50Hz in single phase and 230/400 V three-phase motors.
APPLICATIONS:
Designed for inline installation, indoor or outdoor assembly, they are suitable for:
• Air renewal in buildings and industries.
• Industrial and professional kitchen hoods.
• Maximum working temperature: 50ºC.
UNDER REQUEST:
• 3 speed fans.
• LG0 position.
• Impellers made of galvanised steel sheet.
| 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 | |