Centrifugal Fans


A new range of centrifugal fans features forward curved impeller blades to simplify specification across multiple projects. Designated ‘HFN’ (Homogeneous Fan NEMA), the fan range conforms to a standard scalable configuration. This permits engineers to become rapidly familiar with the fans, their space envelope demands and their application capabilities.  

ACI’s HFN fans are direct driven units with motor sizes ranging from 0.17 to 30HP, delivering flow rates up to 6000 CFM, and pressures up to 14in. SWG.  Standard options include 1 and 3-phase versions with 2 or 4 pole motors. Fan housings can be supplied in sheet steel (powder coated black as standard), stainless steel (304 or 316), aluminum or brass.  

Explosive risk area (ATEX/CSA), UL, and CE motor versions are further options for customers consideration. A full range of accessories for the HFN range has also been created and includes a range of finger guards, inlet and discharge spigots, discharge flanges, and pedestals.


  • forward curved impeller blades
  • motor sizes range from 0.17 to 30HP
  • flow rates up to 6000 CFM
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