Ventilators with air flow up to 14640 m3/h for circular pipes with diameters 250 - 710 mm. The throats are fitted with gaskets.
The enclosure is of frame construction with 25 mm thick sandwich side panels, the sandwich panels consist of galvanised sheet metal externally and internally, with a sound-insulating mineral wool filling inside.
The fans are equipped with single-phase 230 V / 50 Hz or three-phase 230/400 V / 50 Hz motor with thermal protection. The fans are IP55 rated and suitable for operation with air temperatures up to 40 (CVAT-N) or 60 (CVAB-N) °C.