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ROOF MOUNTED FANS CRVB / CRVT Series – Vertical discharge



Range of centrifugal roof mounted fans in vertical discharge format:
– Very low profile design.
– Base manufactured from galvanised sheet steel.
– Centrifugal backward curved impeller.
– External rotor motor.
– Cowl manufactured from spun aluminium.
Available, depending upon the model, with single or three phase motors in 2, 4, 6, or 8 poles.

All motors are IP54, Class F insulation with safety thermal overload protection.
Electrical supply:
Single phase 230V-50/60Hz or 230V-50Hz (CRVB) upon the model. Three phase 400V-50/60Hz or 400V-50Hz upon the model (CRVT).
Speed controllable by Voltage.

Models with three phase motors controllable by frequency inverter.

Additional information
ON-OFF electrical isolation switch fitted.

On request
Models (315 to 560) with 2 speed motors (4/8).


  • CRVB/CRVTbdp506

    Backward curved centrifugal impellers
    To prevent accumulation of dirt.

  • CRVB/CRVTbdp487

    Bird proof guard
    Steel finger proof guard.

  • CRVB/CRVTbdp481

    Isolation switch
    ON-OFF electrical isolation switch fitted on the fan as standard.


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