Specification Sheet

393
CONSTRUCTION/SPECIFICATION CHECKLIST
Fan Housing
• Heavy-gauge rolled steel construction.
• Integral inlet and outlet anges with mounting holes.
• Continuous welded and epoxy coated.
• Belt and bearing tube.
• Removable bearing cover for ease of maintenance.
• Eight mounting supports welded to each fan.
Adjustable motor base for belt tensioning.
• Extended lube lines.
Propeller
Aluminum airfoil propeller.
• Blades are pitched for optimum efciency.
• Statically balanced
Drives
• Sized for minimum 150% of drive horsepower.
• Single belt adjustable pitch sheaves through 5HP.
• Multiple belt xed pitch sheaves 7-1/2HP and above.
Adjustable tension rods for belt adjustment.
• Nonstatic oil resistant v-belts.
• Keyed, turned, ground and polished shafts.
Bearings
• Bearings are designed for minimum 200,000 hour life, L50.
• Cast iron self-aligning pillow block ball bearings.
• Bearings are sealed and prelubricated.
Motors
• One year motor warranty.
• Brands are nationally recognized and locally serviced.
• NEMA base-mounted motors are standard.
• Open drip-proof construction is standard.
• Premium-efciency, explosion proof, totally enclosed fan cooled (TEFC) and corrosion duty motors can be
specied.
Certications
AMCA Air and Sound Certied
• cULus 705 Listed
Entire Fan Unit
• Factory assembled and tested prior to shipment for quality assurance.
MODEL TDB
TUBEAXIAL INLINE BELT DRIVEN DUCT FAN