DFE and DFS Direct Drive Sidewall Propeller Exhaust/Supply Fans

Sidewall Propeller Fan Series

DF Models

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.

BABA-ACT

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 Drawing for the DFE/DFS Model

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  

Product Line Overview PreviewDownload
General Catalog Section PreviewDownload
Typical Specification Sheet PreviewDownload
Submittal PreviewDownload
IOM PreviewDownload

  • General/Clean Air