Soundproof radial ducted fans suitable for applications where low fan noise is advantageous. The fans are particularly suitable for ventilation of restaurants, kitchens, sports halls, hospitals and warehouses.
Ventilators with air flow up to 15900 m3/h for circular pipes with diameters 250 - 710 mm. The throats are fitted with gaskets.
The enclosure is of frame construction with 45 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 an EC motor with continuous speed control using a 0...10 V signal. The fans are IP54 rated and suitable for operation at air temperatures up to 60 °C.
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