DOUBLE CENTRIFUGAL FAN IN SOUNDPROOF CABINET WITH SANDWICH PANELS
MANUFACTURING FEATURES
• Impellers made of polyamide reinforced with fibreglass for models 7/7, 9/9, 10/10 and 12/12, other models made of galvanized steel sheet.
• BD range fans assembled in soundproof cabinets.
• Ventilation box with 30 mm aluminum profile structure, nylon corners, galvanized sandwich panels with internal insulation rockwool (25mm thickness) class A1 (non-combustible) of 90kg/m3 density. All panels are equipped with "fastening system" for the quick assembly and disassembly whenever required, either for cleaning, maintenance or exchanging of panels.
• Cable exit through cable glands.
• Easy access through lateral panel.
• Changeable rear, bottom or top inlet cover.
• Closed motors specially designed by Casals. Extruded aluminium motor housing. Totally enclosed wiring box. IP-55 motor protection and rated class F insulation. Standard voltages 230V 50Hz for single phase and 230/400V 50Hz for three phase motors.
• 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.
• Maximum working temperature: 50ºC.
UNDER REQUEST
• 3 speed fans.
• Impeller made of galvanized sheet.
* 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 (%) |
46.74 | 42.26 | |
| Efficiency grade (N) |
56.49 | 52 | |
| Absorbed power (kW) | 1.18 | ||
| Flow (m³/h) |
4932.8 | ||
| Static pressure (Pa) |
409.21 | ||
| Speed (rpm) |
900 | ||
| Specific ratio |
1.00 | ||