Belt drive fans are centrifugal power roof ventilators designed for exhausting clean air. Capacities up to 40,608 CFM and up to 2 inch static pressure. The aerodynamic design of the PV impeller and orifice results in high air performance and low sound. Typical applications for the PV includes a wide range of commercial, institutional, and industrial facilities such as schools, office buildings, hospitals, prisons, assembly areas, and restaurants.

PV75 through PV240  |  PV260 through PV 543


Construction Features


  • Hoods and housing constructed of heavy gauge aluminum
  • Wheel and drive assembly supported by rugged steel frame
  • Steel fasteners are zinc dichromate plated
  • Heavy gauge galvanized wire birdscreen
  • Vibration Isolation

Centrifugal Wheel

  • Aluminum construction with backward curved blades
  • Non-overloading design for safe operation
  • Precision balanced for smooth vibration free operation


  • Permanently lubricated in an Acme D.S. pillow block housing
  • Bearings are resiliently mounted in neoprene rings
  • Rated at L50 life of 200,000 hours
  • 5 year limited warranty on Acme D.S. pillow block bearings

Drive Assembly

  • Cast iron drives sized for 150% of drive horsepower
  • Static free, oil and heat resistant belts


  • Continuous duty motors located outside the airstream
  • Motor compartment cooled by fins located on top of impeller
  • Factory wired to junction box


  • Roof Curbs
  • Dampers
  • Coatings
  • Aluminum Birdscreen

Additional Info

  • Max Static Pressure: 2.0" w.c.
  • Max Airflow (CFM): 40,608
  • Drive Type: Belt Drive
  • Blade Type: Centrifugal

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