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HT - Roof-mounted helical extractor fanRoof-mounted helical extractor fan

Roof mounted axial extractor fans with fibreglass reinforced plastic rotor and flat base for installing on roof.

• Support base in painted galvanized steel sheet.
• Fibreglass reinforced polyamide-6 impellers, except for 100 models with 4 poles, made of aluminium.
• Bird protection grid.
• Anti-rain deflector cap in painted galvanized sheet steel, with anti-corrosion protection.
• Airflow direction from motor to impeller.

• Motors with IE3 efficiency for powers equal to or greater than 0.75 kW, except single-phase, 2-speed and 8-pole.
• Class F motors with ball bearings and IP55 protection. Except single-phase models from size 45 to size 63, with IP54 protection.
• Single-phase 220-240 V 50 Hz and three-phase 220-240 V/380-415 V 50 Hz (up to 4kW) and 400/690 V 50 Hz (powers greater than 4kW).
• Working temperature: -25 ºC +60 ºC.

• Anti-corrosive finish in polyester resin, polymerised at 190 ºC, after degreasing with phosphate-free nanotechnology treatment.

On request:
• Possibility of supply as IMPULSION FANS.
• AL version rotors made of cast aluminium.
• Special windings for different voltages.
• ATEX certified Category 2.