Select Page

impeller type


Low Pressure Mixed Flow Fan


The QCLB Mixed Flow Fan is a popular choice for many air supply, return and exhaust air applications in the HVAC industry for both constant or variable air volume systems. The efficiency and sound characteristics of mixed flow fans are often desired in buildings such as hospitals, libraries, theaters and general offices. The heavy-duty construction of QCLB fans also makes them suitable for many industrial applications handling ambient air.

Sizes (impeller diameters)

  • 12.25 to 73 inches (315 mm to 1,855 mm)


  • Airflow to 105,000 CFM (178,400 m3/hour)
  • Static pressure to 4.5 inches w.g. (1,120 Pa)

Product Catalog

Installation Manual