BKF-120 Rectangular Duct Fans

●Continuous operation up to 120°C medium temperature●Casing made of zinc-magnesium coated steel (ZM)●Backward curved impeller made from from steel and galvanized●Motor outside the air stream●Single speed IE3 motor●PTC serial built-in motor●Installation possible in all positions, flange connection 30 mm●Installation outside building or inside buildingBKF-120 fans are used for ventilation in normal working conditions and can transport hot gases up to 120°C.Applications: malls, warehouses, kitchen exhaust...Generally suitable for ambient temperature -20 to +40°C (depending on specific motor load the permissible ambient temperature may be increased - on request)For speed control of single speed motors use combination of frequency converter and appropriate filter to motor side (sine or du/dt), respectively observe instructions. Not suitable for voltage control. Working points within blue area of diagrams of single speed fans can be achieved with frequency converter.