SQB
Belt Drive Square Inline Centrifugal Duct Fan

In-line Duct Fan Series

SQB

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 Licensed   cULus Listed

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 1318 1-3/4"
10 436 to 2027 2"
12 769 to 3384 2"
15 1135 to 4421 2-1/4"
HP15 2 HP 741 to 3539 3-1/2" 140
18 1443 to 6111 2-1/4"
HP18 1559 to 5069 3-1/4"
20 2028 to 7916 2-1/4"
HP20 1908 to 6248 2-3/4"
24 2395 to 11240 2-1/4"
HP24 3195 to 10996 3-1/2"
30 3879 to 15168 2-1/4"
HP30 3906 to 12632 3-1/2"
36 5189 to 18767 2"
HP36 5958 to 16117 2-1/2"
42 6669 to 24544 1-1/4"

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

External Grease Fittings  
Mounted and Wired Disconnect  
Side Discharge  
Belt Guard  
Motor Cover  
Inlet/Outlet Guard  
Hanging Bracket / Mounting Foot with Hanging Spring Isolator  
Hanging Spring Isolator  
Hanging Rubber in Shear Isolator  
Assorted Disconnects  
Heavy-duty Disconnect  
Backdraft Damper Submittal
Insulated Housing  
General Catalogue Section
Typical Specification Sheet
Submittal
Instruction and Operation Manual
  • General / Clean Air
  • Spark Resistant
  • Offices / Common Areas