Axial ventilation units with acoustically insulated box
Ventilation units with internal acoustic insulation with removable manhole covers.
• Galvanised sheet steel structure with thermal and acoustic insulation.
• Fibreglass reinforced polyamide-6 impeller.
• Ventilation units prepared for vertical or horizontal work.
• Airflow direction from motor to impeller.
• Motors with IE3 efficiency for powers equal to or greater than 0.75kW, except single-phase, 2-speed and 8-pole.
• Class F motors with ball bearings. IP55 protection. Except single-phase models from size 45 to size 56, with IP54 protection. 1 or 2 speeds depending on model.
• 230V 50 Hz single-phase and 230/400V 50 Hz three-phase (up to 4 kW) and 400/690V 50 Hz (powers greater than 4 kW).
• Working temperature: -25ºC +50 ºC.
• Anticorrosive in galvanized steel sheet.
• AL version rotors made of cast aluminium.
• Airflow direction from impeller to motor.
• 100% reversible impellers.
• Special windings for different voltages.