Double Width

The Design 51 Double Width is a rugged fan built to Chicago's industrial level of quality and long-term dependability. Like every Chicago fan, the Design 51 Double Width is crafted by skilled members of the Sheet Metal Workers Union and displays the label "Proudly Made in the USA".

Literature

Product Bulletin: DFO

Operation & Maintenance Manual: Industrial Centrifugal Fans

Double Width Fan Applications

The Design 51 double width fan identifies Chicago's series of high efficiency airfoil bladed wheels, acknowledged as the most efficient fan type for clean air applications. The double width configuration described boasts an enviable reputation for fan performance and reliability in a multitude of HVAC applications plus many industrial supply or exhaust systems.

Fan Options

Punched flanged outlet
Outlet companion flange
Drain
Access door
Inlet volume control
Inlet screen
Extended grease fittings
Horizontal split housing
Continuously welded wheel
Optional bearings
Mount motor and drive - A/3H
Mounted belt guard - A/3H

Features

High efficiency hollow bladed wheel
Smooth steep pressure curve ideal for VAV systems
Stable air flow over entire performance range
Spun steel wheel cone optimizes air flow
Substantially lower sound levels
Continuously welded heavy steel construction
Rigid bracing resists possible distortion from sudden airflow variations
AMCA certified performance

Performance

Sizes: 135 to 807
Volumes to 240,000 CFM
Pressures to 22” wg
Temperatures to 150°F

Alternate Fan Designs

For Greater CFM

AF/BC Custom Heavy Duty Fans