Specification Sheet

365
CONSTRUCTION/SPECIFICATION CHECKLIST
Panel Assembly
• Heavy-gauge G90 galvanized steel panel, size 24-60.
• One piece venturi for maximum efciency and strength.
• Motor mounting plates of heavy-gauge galvanized steel.
• Bearing mounting plates of heavy-gauge galvanized steel.
• Lifting eyes standard for ease of installation.
Windband/Buttery Dampers
• Heavy-gauge galvanized steel windband.
• Galvanized steel buttery dampers standard.
• Galvanized rain channel drains water from damper area to roof.
• Galvanized damper shaft rotates in bronze bushing.
Propeller
• Steel hub plate with steel taper lock bushing.
• Die formed, heavy-gauge, epoxy coated, steel blades.
Drives
• Shielded from airstream by galvanized steel enclosure (Optional).
• Sized for minimum 150% of drive horsepower.
• Single belt adjustable pitch sheaves through 3HP.
• Two belt xed pitch sheaves 5HP through 10HP.
• Adjustable pitch sheaves are optional above 3HP.
• Tilt motor base for belt adjustment.
• Nonstatic, oil resistant v-belts.
• Keyed, turned, ground and polished shafts.
Bearings
• Bearings designed for minimum 200,000 hour life, L50.
• Cast iron self-aligning pillow block ball bearings.
• Bearings are sealed, prelubricated and furnished with relube ttings.
Motors
• Located outside airstream under weather cover.
• Brands are nationally recognized and locally serviced.
• Open drip-proof construction is standard.
MODEL UBSRD
REMOTE DRIVE UPBLAST PROPELLER ROOF EXHAUSTERS