Axial ventilation units with acoustically insulated box
Ventilation units with internal acoustic insulation with removable manhole covers.
Fan: • Galvanised sheet steel structure with thermal and acoustic insulation. • Fibreglass reinforced polyamide-6 impeller. Models 100-4T-15 and 100-4T-20 only in AL version in cast aluminium. • Ventilation units prepared for vertical or horizontal work. • Airflow direction from motor to impeller.
Motor: • 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. IP55 protection. Except single-phase models from size 45 to size 56, with IP54 protection. 1 or 2 speeds depending on model. • Multi-voltage motor, special design valid for: 220/380 V 60 Hz, 254/440 V 60 Hz, 265/460 V 60 Hz, 277/480 V 60 Hz. • Working temperature: -25 ºC +50 ºC.
Finish: • Galvanised steel sheet.
On request: • AL version rotors made of cast aluminium. • Airflow direction from impeller to motor. • 100% reversible impellers. • Special windings for different voltages.