SQB Belt Drive Square Inline Centrifugal Duct Fan

In-line/Sidewall Duct Fan Series

SQB Model

Model Features

  • Exhaust air up to 24,000 CFM in high static pressure applications up to 3-1/2" w.g.
  • Belt drives permit easy performance adjustments when needed
  • Ideal for applications where space is limited
  • Non-overloading backward inclined wheel for efficiency at higher static pressures
  • AMCA Air and Sound Licensed
  • cULus 705 Listed

AMCA Air and Sound cULus

Model Overview

SQB square in-line duct mounted fans are available in sizes 7 through 42, moving from 100 to over 24,000 CFM, with high static pressure capability up to 3-1/2". SQB units are the perfect selection for clean air applications where space is a leading consideration. The compact housing with removable access doors and side discharge can be mounted in any orientation. AMCA licensed performance and UL listing assure that you've made a reliable selection.

2-year fan housing warranty, 1-year motor warranty

Size CFM Range Max SP
7 86 to 423 1-3/4"
8 331 to 1,318 1-3/4"
10 436 to 2,027 2"
12 769 to 3,384 2"
15 1,135 to 4,421 2-1/4"
HP15 741 to 3,539 3-1/2"
18 1,443 to 6,111 2-1/4"
HP18 1,559 to 5,069 3-1/4"
20 2,028 to 7,916 2-1/4"
HP20 1,908 to 6,248 2-3/4"
24 2,395 to 11,240 2-1/4"
HP24 3,195 to 10,996 3-1/2"
30 3,879 to 15,168 2-1/4"
HP30 3,906 to 12,632 3-1/2"
36 5,189 to 18,767 2"
HP36 5,958 to 16,117 2-1/2"
42 6,669 to 24,544 1-1/4"
Dimensional drawing for the SQB models.

Dimensional data is displayed in inches.

Size A B C
7 15 23 11-7/8
8 15 23 11-7/8
10 17 23 13-7/8
12 21 23 17-7/8
15 24 30 21-7/8
18 28 30 23-7/8
20 32 34 27-7/8
24 39 38 34-7/8
30 44 40 39-7/8
36 52 45 47-7/8
42 58 53 53-7/8

Additional accessories are available for certain products. Contact your S&P Representative for more information about these accessories.

BreatheClean Filter Boxes

BreatheClean Filter Boxes improve air quality by using advanced filtration and NPBI®, the patented technology that removes contaminants, including pathogens, from interior air.

BreatheClean Filter Box Pairs with Literature
BreatheClean - Banked SQB Brochure Submittal IOM

Standard Accessories

Assorted Disconnects    
Backdraft Damper Submittal  
Belt Guard    
Ecowatt® Drive Submittal Flyer
External Grease Fittings    
Filter Box Submittal
Hanging Bracket/Mounting Foot with Hanging Spring Isolator    
Hanging Rubber in Shear Isolator    
Hanging Spring Isolator    
Heavy-duty Disconnect    
Inlet Guard    
Insulated Housing    
Motor Cover    
Mounted and Wired Disconnect    
Outlet Guard    
Side Discharge    

Product Line Overview
Quickship Brochure
General Catalog Section
Typical Specification Sheet
Submittal
IOM

  • General/Clean Air
  • Spark Resistant
  • Offices/Common Areas