Centrifugal single inlet fans, manufactured from steel sheet protected against corrosion with epoxy-poliester paint coating. High-efficiency forward curved centrifugal impeller, from plastic material (800 N) or galvanised steel sheet (1500 N). Circular supply and extract valves, which include back draft shutter in the extract.
Motors Single phase 230V-50Hz., external rotor, IP44, F Class, with thermal protection included. Adjustable by power variation. It can work up to +70ºC temperature.
Attributes
Back draft shutter To prevent air entry when thefan is not in operation.