• Casing: - Made of galvanised steel sheet with upstream and downstream connecting flanges and access doors. • Motor support: - Galvanised steel plate, motor with flanges fixed on 2 poles. Removable plate/support/impeller set. • Impeller: - Backward type centrifugal, in galvanised steel, dynamically balanced. - Direct drive on the motor shaft. • Motor: - Three phase motor with IP-55 protection and F class insulation. Manufactured with standard voltages for one speed motors: 230/400V 50Hz up to 4 Kw and 400/690V 50Hz for higher powers of 4 and 6 poles. 2 speed motors:Dahlander
• Smoke extraction in high buildings and establishments with people. • Ventilation and smoke exhaust in covered parkings. • Ventilation in technical, industrial or commercial facilities.