Square Fans

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Square Fans combine heavy-gauge, industrial construction with the convenience and economy of a direct-drive design for tight footprints. Our Industrial Square Fans are designed for clean-air applications including pneumatic conveying, product drying, product cooling, supply air and exhaust on the clean-air side of dust collection systems. 


amca air performanceThe New York Blower Company certifies that Square Fans are licensed to bear the AMCA Seal. The ratings shown are based on tests and procedures performed in accordance with AMCA Publication 211 and comply with the requirements of the AMCA Certified Ratings Program.

  Square Fans PDF Brochure
Wheel Design: Backward Inclined-Airfoil
Backward Inclined-Curved Blade
Backward Inclined-Single Thickness
Wheel Design

backward inclined airfoil wheel design

Backward Inclined- Airfoil: Aerodynamic airfoil-blade is the most efficient design with the lowest sound levels for clear air applications.






backward curved blade wheel design

Backward Inclined- Curved Blade: Curved, single-thickness blade is ideal for high volume, low pressure applications.

Backward Inclined – Single Thickness: Flat, single-thickness blade surface best suited for airstreams with light material.  

Design Features:

VOLUME - to 29,000 CFM (49,300 m3/hr)
PRESSURES - to 22" WG (5,480 Pa)
TEMPERATURES - to 180°F (82°C)
ELEVEN SIZES - 10"-30" (254mm-762mm)

Available Materials of Construction:

Carbon Steel
Stainless Steel
Special Alloys

Product Bulletin: Square Fans (CS-081)
Guide Specifications: Specifying Square Fans with Acoustafoil Wheels (GS-081) Specifying Square Fans with PLR Wheels (GS-082) Specifying Square Fans with Backward Curved Wheels (GS-083)
Installation, Operation & Maintenance Manual: IM-250
Material Specifications: SQ_Dims
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