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.
Construction Features
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)
Airfoil Centrifugal Wheel
- Aluminum construction backward curved blade
- 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 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
Motors
- Continuous duty motors with sealed ball bearings 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
Options/Accessories
- SE Option U.L. Listed "Power Ventilator for Smoke Control Systems"
- Wall Bracket (PDU080-200)
- Roof Curbs
- Dampers
- Coatings
- Birdscreen (PDURG)
- Grease Trough
- Curb Hinge
- Pillow block bearings with 2 year warranty
