The body of the duct fan is made of galvanised steel, which provides reliable protection against corrosion. Impellers of duct fans with backward curved blades undergo careful static and dynamic balancing.
The use of wheels of this type allows to maintain a uniform air velocity across the initial cross-section of the fan, provides optimal flow velocity in the ventilation duct, and, accordingly, reduces energy consumption and noise level. The fans are equipped with asynchronous single- or three-phase electric motors, allowing to regulate the impeller speed by means of frequency converters.
On additional request fans can be equipped with single-phase electric motors with capacity more than 1.5 kW. Fans can be mounted in any spatial position with preservation of operability.
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