Roof fans with an electrically operated damper are advantageous due to their high flow rate and meet the requirement for heat and smoke extraction (HVAC).
Assembly with air flow up to 110000 m3/h for circular pipes with diameters 400 - 1120 mm.
The assembly consists of a mounting base, fan, pedestal and shut-off damper, which is equipped with a servo drive The fans are equipped with a three-phase 230/400 V or 400 V/50 Hz motor and are IP55 rated.
Fire resistance F400(120), F300(60), F200(120).
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