Large diameter tubular axial fans with external motors
Tubular axial fans equipped with 6 or 9 blade aluminum propellers with various angles of inclination.
• Airflow direction from motor to impeller.
• Impellers made of cast aluminium with 6 or 9 blades with adjustable angle of inclination.
• Sheet steel long casing.
• Standard version in long casing, equipped with inspection hatch.
• 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 and IP55 protection.
• Three-phase 230/400 V 50 Hz (up to 4 kW) and 400/690 V 50 Hz (powers greater than 4 kW).
• Working temperature: -25ºC +120 ºC.
• Anti-corrosive finish in polyester resin, polymerised at 190 ºC, after degreasing with phosphate-free nanotechnology treatment.
• Airflow direction from impeller to motor.
• 100% reversible impellers.
• Special windings for different voltages.
• ATEX certified Category 2.
• 2 speed motors.
• The support feet are supplied as an accessory.