3.3 axial fans. DA


Fans of DA series are used for moving air without using ducts.
They  were developed by optimising the air flow components and the electric motor basement of the old DA series.
 
TECHNICAL  CHARACTERISTICS
The impeller hub, made of steel in very strong construction, is galvanized electrostaticaly and is accomplished with four aluminium blades. They are dynamically balanced to achieve vibration free and noiseless operation. Steel parts are electrostaticaly painted. Fans can be delivered with protection grid at the suction side. They are assembled with three or single phase electric motors.
 
OPERATING  CHARACTERISTICS
Volume flow rates are based on free flow operation under 1.5mm WG up to 5mm WG static pressure depending on the fan size. Noise level has been measured at a distance of 2.5 metres from the suction side of the fan.

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