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Adjustable Pitch
Adjustable pitch fans are recommended for installations where air demands may change but continuous automatic control is not needed. Blade pitch is set externally at the hub to alter air volume or pressure. Aluminum alloy airfoil blades and hub assure reliable performance. Direct drive and belt drive.
Literature
Product Bulletin: VAV
Operation & Maintenance Manual: Adjustable Pitch Vane Axial Fans
Adjustable Pitch Vane Axial Fan Applications
Adjustable pitch fans are recommended for installations where air demands may change but continuous automatic control is not needed. Blade pitch is set externally at the hub to alter air volume or pressure. Aluminum airfoil blades and hub assure reliable performance. Direct drive and belt drive.
Fan Options
  • Streamlined spun inlet bells
  • Inlet or outlet cones
  • Wire guard screens
  • Mounting feet
  • Horizontal mounting lugs
  • Vertical mounting lugs
  • Companion angle rings
  • Access door in cone
  • Spool piece
  • Casing extension
  • Vibration monitor switch
Features
  • Vary volume and pressure by manually resetting blade angle
  • High Efficiency airfoil bladed wheel
  • Stable air flow over entire performance range
  • Efficiencies over 80%
  • Compact direct drive configuration
  • Rugged industrial strength construction
  • Horizontal or vertical installation
  • AMCA certified for air and sound performance
Performance
  • Sizes: 1650 to 8075
  • Volumes to 260,000 CFM
  • Pressures to 20” wg
  • Temperatures to 150°F
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