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Airfoil Fans

Efficient Choice for Clean Air, Fumes, Light Dust

SQA Square Fans

Versatile square fan housings are flanged on

all sides for mounting in any of four discharge

positions. Adjustable motor base mounts to all

sides. Temperatures to 650° F.

Sizes: 8-3/4 to 44-1/2

Volumes to 70,000 CFM

Pressures to 18” wg

Request Bulletin SQA

Many Chicago Blower fans

are identified as Quick Ship

and available for delivery in

just 2-3 days. Most fans are offered with

alternate wheel types and construction plus

performance and convenience options.


Refer to Chicago Blower’s Fan.Net for

performance, fan

curves and sound data.

For software and

assistance, contact

your local Chicago

Blower sales engineer.


Direct Drive Fans

Compact direct connected fans are ideal

for packaged supply, exhaust, combustion

air applications. Options for partial width

construction. Temperatures to 200° F.

Sizes: 8-3/4 to 30

Volumes to 27,386 CFM

Pressures to 22” wg

Request Bulletin SQAD


Single Width

Known for high efficiency, low sound levels,

and low horsepower, the Design 51 fan is used

extensively in industrial supply and exhaust


Sizes: 135 to 807

Volumes to 240,000 CFM

Pressures to 22” wg

Request Bulletin DFOS

High Volume Fans

Design 10A fans are for high volume clean air

and most light industrial applications. Single

or double width, construction classes I-III.

Temperatures to 800° F.

Sizes: 49 to 80-3/4

Volumes to 284,000 CFM

Pressures to 16” wg

Request Bulletin ACF

Packaged Forced


Direct drive Arrangement 4 PFD packaged fans

with reinforced airfoil wheels are designed for

higher pressure supply air applications, such as

packaged boilers. Steep, stable pressure curve

allows near constant air delivery. Three wheel

designs for all standard motor speeds offer a

broad performance range.

Sizes: 2000 to 4412

Volumes to 65,000 CFM

Pressures to 51” wg

Request Bulletin PFD

Industrial Airfoil Fans

High efficiency airfoil wheel combined with belt

drive flexibility ideal for combustion air, product

cooling, high pressure drying and supplying air,

liquid agitation applications. Optional single

surface backward curved wheel for light dust

loads. Fan features heavy duty roller bearings

and shaft, rugged base mount. Available in

Arrangements 1 and 9 belt drive; Arrangement 8

direct drive.

Sizes: 2700 to 6600

Volumes to 170,000 CFM

Pressures to 40” wg

Request Bulletin IAF


(630) 858-2600