SQB Belt Drive Square Inline Centrifugal Duct Fan
In-line Duct Fan Series
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
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 | Max HP | CFM Range | Max SP | Avg. Ship Weight (lbs) |
| 7 | 1/2 HP | 86 to 423 | 1-3/4" | 75 |
| 8 | 3/4 HP | 331 to 1318 | 1-3/4" | 75 |
| 10 | 1 HP | 436 to 2027 | 2" | 85 |
| 12 | 1-1/2 HP | 769 to 3384 | 2" | 95 |
| 15 | 2 HP | 1135 to 4421 | 2-1/4" | 140 |
| HP15 | 2 HP | 741 to 3539 | 3-1/2" | 140 |
| 18 | 3 HP | 1443 to 6111 | 2-1/4" | 190 |
| HP18 | 3 HP | 1714 to 4240 | 3" | 190 |
| 20 | 3 HP | 2028 to 7916 | 2-1/4" | 220 |
| HP20 | 3 HP | 1908 to 6248 | 2-3/4" | 220 |
| 24 | 5 HP | 2395 to 11240 | 2-1/4" | 320 |
| HP24 | 7-1/2 HP | 3195 to 10996 | 3-1/2" | 320 |
| 30 | 7-1/2 HP | 3879 to 15168 | 2-1/4" | 420 |
| HP30 | 7-1/2 HP | 3906 to 12632 | 3-1/2" | 420 |
| 36 | 7-1/2 HP | 5189 to 18767 | 2" | 600 |
| HP36 | 7-1/2 HP | 5958 to 16117 | 2-1/2" | 600 |
| 42 | 7-1/2 HP | 6669 to 24544 | 1-1/4" | 725 |
| 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" |
Note: Additional accessories are available for certain products. Contact your S&P Representative for more information about these accessories.
Standard Accessories
| Ecowatt® Drive | ||
| 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 / Clean Air
- Spark Resistant
- Offices / Common Areas