Ventilators with air flow up to 11360 m3/h for 315-560 mm diameter circular ducts.
The enclosure is made of galvanized steel sheet, sandwich design and is internally coated with a layer of soundproofing material. The fans are equipped with a 230 V / 50 Hz EC motor with thermal fuse, have IP55 protection and are suitable for operation with air temperatures up to 50 °C (depending on type).
Speed control is carried out by means of a potentiometer located in the terminal block, by external control or by 0-10 V analogue input from external sensors.