Roof Fans
CRF
Centrifugal roof fans with low noise level
Centrifugal roof fans with low noise and external rotor motor.
Fan:
• Galvanised steel sheet construction.
• Backward curved impeller made of aluminium sheet metal except for models 225 and 250, which are made of galvanised sheet steel.
• Bird protection grid.
• Foldable casing for ease of inspection and maintenance.
Motor:
• Class F motors. External rotor and IP54 protection.
• Single-phase 230 V 50/60 Hz, except models 450 and 500, 230 V 50 Hz.
• Three-phase 400 V 50/60 Hz, except models 450 and 500, 400 V 50 Hz.
• Working temperature: -25 ºC +50 ºC.
Finish:
• Galvanised steel sheet.
On request:
• The variable speed drive (VSD) is supplied on request.
Fan:
• Galvanised steel sheet construction.
• Backward curved impeller made of aluminium sheet metal except for models 225 and 250, which are made of galvanised sheet steel.
• Bird protection grid.
• Foldable casing for ease of inspection and maintenance.
Motor:
• Class F motors. External rotor and IP54 protection.
• Single-phase 230 V 50/60 Hz, except models 450 and 500, 230 V 50 Hz.
• Three-phase 400 V 50/60 Hz, except models 450 and 500, 400 V 50 Hz.
• Working temperature: -25 ºC +50 ºC.
Finish:
• Galvanised steel sheet.
On request:
• The variable speed drive (VSD) is supplied on request.