Acoustically insulated (40 mm/88 kg/m³) centrifugal fan box
Application
BFA fans are used for ventilation in many applications where low noise levels have to be respected, such as offices, restaurants, hotels or others.
Composition
Casing procured from galvanised steel
Removable panel with clips for easy inspection of the motor
Isolation: high performance wool (88 kg/m³) with fireclass A1 according to DIN EN13501-1
Fan with backwards curved blades
Fan procured from galvanized steel, except 1BFA 125 E2 20 and BFA 160 E2 20 with steel layer and plastic blades
External rotor with maintenance-free ball bearing
Voltage: 230Vac 1 ph
Isolationclass F - protection classes:
BFA 125 E2 20 - BFA 200 E2 11: engine protection class IP33, IPX4 for the whole fan
BFA 355 E4 20 - BFA 400 E4 20: engine protection classIP44, IPX4 for the whole fan
BFA 450 E4 20 - BFA 500 E4 20: engine protection class IP54, IPX4 for the whole fan
Connection boxIP44 with turnbuckle
Thermische beveiliging:
BFA 125 E2 20 - BFA 160 E2 20: Temperature operated switch mechanism with manual reboot, connected on the inside
BFA 200 E2 11 - BFA 400 E4 20: Temperature operated switch mechanism with manual reboot, connected on the inside
BFA 450 E4 20 - BFA 500 E4 20:Temperature operated switch mechanism with manual reboot, to be connected externally by third party
Accessories
Roof, type RD-BFA
Auto transformer, type TSC-1
Electronic speed controller, type ESC
Flexible connection, type BMK
Text for tender
The centrifugal fan box shall be acoustically insulated with 40 mm rock wool fibrewith a density of minimum 88kg/m³. The closed motor shall be of the direct driven type, IP44, insulation class F, with thermal protection and voltage controllable with auto transformer
Cairox Type BFA
The centrifugal fan box shall be acoustically insulated with 40 mm rock wool fibrewith a density of minimum 88kg/m³. The closed motor shall be of the direct driven type, IP44, insulation class F, with thermal protection and voltage controllable with auto transformer