Roof mounted axial extract fans with vertical air outlets
Roof mounted axial extract fans with vertical air outlet, designed for extracting large air volumes in industrial or similar premises.
Fan: • Support base in galvanized steel sheet and anticorrosive treatment. • Adjustable cast aluminum impeller. • Protection grid against contacts according to UNE-EN ISO 12499. • Non-return damper in aluminum sheet to prevent the entry of water when the fan is not running. • Airflow direction from motor to impeller.
Motor: • Class F motors with ball bearings and IP55 protection. • Motors with IE3 efficiency for powers equal to or greater than 0.75kW, except single-phase, 2-speed and 8-pole. • Three-phase 230/400 V 50 Hz (up to 4 kW) and 400/690 V 50 Hz (powers greater than 4 kW). • Maximum temperature of air to be carried: -20 ºC +40 ºC.
Finishing: • Anti-corrosive finish in polyester resin, polymerised at 190 ºC, after degreasing with phosphate-free nanotechnology treatment.
On request: • Fans with 2 speed motor. • 2 and 8 pole fans according to diameter. • Special windings for different voltages and frequencies. • Total stainless steel construction. • Hot dip galvanized steel construction.