Large diameter tubular axial fans with external motors
Tubular axial fans fitted with aluminium impellers with 6 or 9 blades and different angles of inclination.
- Airflow direction from motor to impeller.
- Impellers made of cast aluminium with 6 or 9 blades with adjustable angle of inclination.
- Tubular sheet steel casing.
- Standard long cased version fitted with an inspection hatch.
- IE3 efficiency motors for powers equal to or higher than 0.75kW except single-phase, 2-speed and 8-pole.
- Class F motors with ball bearings and IP55 protection.
- Three-phase 230/400V-50Hz (up to 4kW) and 400/690V-50Hz (powers higher than 4kW).
- Operating temperature: -25 ºC +120 ºC
- Anti-corrosive finish of polyester resin polymerised at 190 ºC, previously degreased with phosphate-free nanotechnological treatment.
- Airflow direction from impeller to motor.
- 100% reversible impellers.
- Special windings for different voltages.
- ATEX-certified category 2.
- Two-speed motors.
- Feet supplied as an optional extra.