Acme Engineering and Manufacturing Corporation
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Acme - Model PRN -Direct Drive Centrifugal Roof Exhauster
Model PRN direct drive fans are centrifugal power roof ventilators designed for exhausting clean air. Capacities up to 2770 CFM and up to 1 inch static pressure. The PRN is a downblast exhauster suitable for all types of commercial and institutional buildings such as schools, hospitals, office buildings, and retail stores.
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Housing
- Hoods constructed of heavy gauge aluminum, die formed with rolled bead for strength
- Curb base and inlet are one piece with continuous welded corners
- Steel fasteners are zinc dichromate plated
- Heavy gauge galvanized wire birdscreen
- Heavy gauge comer support brackets transmit motor and impeller weight to curb base
- Conduit post for ease of electrical wiring Airfoil Centrifugal Wheel
- Aluminum construction with backward curved hollow airfoil blades
- N on-overloading design for safe operation
- Precision balanced for smooth vibration free operation
Motor
- Continuous duty motors located outside the airstream
- Motor compartment is ventilated by a "forced air" cooling system
- Factory wired with polarized disconnect plug (except explosion resistant motors)
Options/Accessories
- Roof Curbs
- Dampers
- Solid State Speed Controllers
- Coatings
- Disconnect Switch
- Aluminum Birdscreen