Ventilators with air flow up to 11830 m3/h for circular ducts with diameters 250 - 560 mm. The throats are fitted with gaskets.
The cabinet is made of galvanized steel sheet, the frame is made of aluminium profiles, the cabinet is internally coated with 25 mm of soundproofing material. The fans are equipped with an EC motor with thermal overload protection, have IP44 protection and are suitable for operation at air temperatures up to 40 °C.
Speed control is carried out via a potentiometer located in the terminal block, external control or 0-10 V analogue input from external sensors.