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 | No | ||
| Values | Requirements 2026 | ||
| Max. efficiency (%) |
36.51 | 34.63 | |
| Efficiency grade (N) |
53.88 | 52 | |
| Absorbed power (kW) | 0.222 | ||
| Flow (m³/h) |
1713.03 | ||
| Static pressure (Pa) |
180.33 | ||
| Speed (rpm) |
945 | ||
| Specific ratio |
1.00 | ||