Adjustable Pitch Impeller


The AHX is an all-aluminum impeller with adjustable blades that are designed specifically for OEM oil coolers, cooling towers and heat exchangers, industrial ventilation and process exhaust wherever it is necessary to move large volumes of air. They are also used in a variety of standard fan configurations — tubeaxial, roof ventilators and ring/panel fans. Available in 4 or 6 blade assemblies and can be used at angle settings covering a wide range of performances.

Sizes (impeller diameters)

  • 54 to 144 inches (1,375 mm to 3,660 mm)


  • Airflow to 328,600 CFM (558,300 m3/hour)
  • Static pressure to 1.5 inches w.g. (370 Pa)