Model Features
- Exhaust air up to 55,000 CFM in high-pressure applications up to 1" w.g.
- 14 gauge galvanized steel panel, G-90 (sizes 54 to 60")
- 16 gauge galvanized steel panel, G-90 (sizes 24 to 48")
- Aluminum airfoil blades extruded or cast
- Available 2-speed units in select formats
- 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 DDE and DDS 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 |
| 24 | 3,500 to 12,500 | 1" |
| 30 | 5,550 to 14,200 | 1" |
| 36 | 6,000 to 27,000 | 1" |
| 42 | 7,200 to 32,500 | 1" |
| 48 | 15,200 to 43,400 | 1" |
| 54 | 19,600 to 51,600 | 3/4" |
| 60 | 22,700 to 55,800 | 1" |
Dimensional data is displayed in inches.
| Size | A | B | C1 | D | E1 | F |
| 24 | 30 | 2 | 11 | 9 | 21 | 25 |
| 30 | 36 | 2 | 11 | 9 | 21 | 31 |
| 36 | 42 | 2 | 11 | 9 | 21 | 37 |
| 42 | 48 | 2 | 11 | 9 | 21 | 43 |
| 48 | 54 | 2 | 12 | 10 | 23 | 49-1/4 |
| 54 | 60 | 2 | 13 | 11 | 25 | 55-1/4 |
| 60 | 66 | 2 | 13 | 11 | 25 | 61-1/4 |
| Size | G | H | I1 | J | K |
| 24 | 3 | 9 | 4 | 20 | 11 |
| 30 | 3 | 9 | 4 | 20 | 11 |
| 36 | 3 | 9 | 4 | 20 | 11 |
| 42 | 3 | 9 | 4 | 20 | 11 |
| 48 | 4 | 10 | 4 | 22 | 12 |
| 54 | 5 | 11 | 4 | 24 | 13 |
| 60 | 5 | 11 | 4 | 24 | 13 |
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