Model PV belt drive fans are centrifugal power roof ventilators designed for exhausting clean air. This model has a max CFM of 3,898. 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.
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
Aluminum construction 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
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
US Fan Belt Drive Down Blast Roof Exhaust Fan 20" Wheel 689 RPM .33 HP 120/230 Volts, 1 Phase
Weight (in lbs)
Curb Cap Size
28 x 28"
2 Year Comprehensive Warranty, 5 Year Bearing & Shaft Warranty
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