Acme - Model PNURF -Belt Drive Centrifugal Upblast Roof Exhauster

FromAcme Engineering and Manufacturing Corporation

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Models PNURF and PNURG (restaurant exhauster) are belt drive upblast centrifugal exhausters. Capacities up to 33.374 CFM and up to 3 inches static pressure. Models PNUHP and PNUXP are high pressure exhausters for applications up to 5 inches static pressure. The PNURF is a clean air ventilator designed for high velocity vertical discharge. Model PNURG is ideally suited for removal of grease laden exhaust found in restaurant and commercial kitchen applications. Other applications include a wide range of commercial, industrial, and institutional facilities such as schools, hospitals, prisons, and assembly areas.

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Housing

Windband constructed of heavy gauge aluminum with rolled bead for strength
Sealed windband perimeter to prevent leakage
Wheel and drive assembly supported by rugged galvanized steel frame
Quick release latches allow easy removal of motor compartment cover without special tools Aluminum curb cap (except smoke exhaust fans)

Centrifugal Wheel

Aluminum construction backward curved blade (steel wheel for smoke exhaust fans)
Non-overloading design for safe operation
Wheel optimally matched with die-formed orifice
Precision balanced for smooth vibration free operation

Bearings

Permanently lubricated in an Acme D.S. pillow block housing
Bearings are resiliency 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

Motors

Continuous duty motors located outside the airstream
Large breather tube directs outside air into the motor compartment resulting in maximum life
Motor compartment cooled by fins located on top of impeller