Model Features
- Exhaust air up to 12,000 CFM in high-pressure applications up to 1" w.g.
- 16 or 18 gauge galvanized steel panel, G-90
- Welded schedule 40 galvanized steel pipe support structure
- Precision pitched fabricated aluminum blades
- Cast aluminum and non-metallic blade options on select sizes
- Available 2-speed units in select models
- Suitable for all-angle installation
- This product meets the requirements of Buy American (2009) and Build America, Buy America (BABA), as part of IIJA (2022). Download letter here.
Model Overview
The DFE/DFS Direct Drive Sidewall Propeller Exhaust/Supply Fan feature the maximum efficiency, low maintenance and durable, economical operation resulting from the direct drive design. It is available in exhaust configurations to provide general ventilation for a wide variety of buildings and enclosed areas within buildings. Examples include factories, assembly plants, churches, gymnasiums, garages, jails, machine rooms and many others.
5-year fan housing warranty, 1-year motor warranty
Size | CFM Range | Max SP |
10 | 37 to 409 | 1/2" |
12 | 132 to 1,306 | 1" |
16 | 132 to 1,750 | 1" |
18 | 264 to 4,174 | 1" |
20 | 509 to 6,605 | 1" |
24 | 98 to 8,897 | 1" |
30 | 1,397 to 12,415 | 1" |
Dimensional data is displayed in inches.
Size | A | B | C1 | D | E1 | F |
10 | 16 | 1 | 6 | 6 | 11 | 10-1/2 |
12 | 16 | 1 | 6 | 6 | 11 | 10-1/2 |
16 | 20 | 1 | 6 | 6 | 12 | 16-1/2 |
18 | 24 | 1 | 6 | 6 | 12 | 18-1/2 |
20 | 24 | 1 | 7 | 6 | 12 | 20-1/2 |
24 | 30 | 2 | 10 | 9 | 21 | 25 |
30 | 36 | 2 | 10 | 9 | 21 | 31 |
Size | G | H | I1 | J | K |
10 | 16 | 1 | 6 | 6 | 11 |
12 | 16 | 1 | 6 | 6 | 11 |
16 | 20 | 1 | 6 | 6 | 12 |
18 | 24 | 1 | 6 | 6 | 12 |
20 | 24 | 1 | 7 | 6 | 12 |
24 | 30 | 2 | 10 | 9 | 21 |
30 | 36 | 2 | 10 | 9 | 21 |
1. Varies with motor selection.
Additional accessories are available for certain products. Contact your S&P Representative for more information about these accessories.
Standard Accessories
Disconnect Switches | |
Extended Lube Lines | |
Factory Wiring | |
Filtered Wall Housing | Submittal |
Gravity Dampers for Exhaust and Supply | |
Motorized Dampers for Exhaust and Supply | |
Mounting Angles | |
Rainhoods/Weatherhoods |
- General/Clean Air