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impeller type


Low Pressure Smoke & Heat
Mixed Flow Fan


The QCLBSH Mixed Flow Fan is designed to remove smoke from buildings in the event of a fire. The QCLBSH is UL listed for Smoke Control Systems – 500°F (260°C) for 4 hours and 1000°F (537°C) for 15 minutes.

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