Adjustable Pitch Fans

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

Alternate Fan Designs