Centrifugal Duct Fan RDF RDF 70-40-4D

Centrifugal Duct Fan RDF This fan is designed to maintain the specified air velocity within the ventilation ducts of residential and commercial buildings. The fan housing is made of galvanized steel, constructed without contact welding, utilizing a Pittsburgh lock design. It is equipped with a high-pressure impeller featuring forward-curved blades. The fan is available with single-phase and three-phase asynchronous electric motors with an external rotor. The motors are equipped with a reusable bimetallic thermal protection system to prevent overheating. The fan can be installed in any orientation. Service Life: 5 years Performance: Ranges from 1153 to 7250 m³/h

Operating Temperature: From -30 to +40 °C

Protection Rating: IPX4