Use This series is particularly suitable for the removal of air, fumes and gases (foundries, woodworks, paper mills, heating plants, chemical industries). Working temperature - 20°C + 40°C. Construction Axial-flow fan, direct drive. The impeller is made of diecast aluminium and has adjustable blades. The housing is made of welded sheet steel with inlet nozzle. For the size ≥ 1120 the fans are standard hot galvanized. Motor The motor is three-phase, 230/400V, 50 Hz, B3 (other frequencies, tensions on demand). Direction of the air Normally supplied with the air flowing from the motor to the impeller (A), on demand the fans can be supplied with the direction from the impeller to the motor (B).