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DDE and DDS Direct Drive Sidewall Propeller Exhaust/Supply Fans

Sidewall Propeller Fan Series

DD Models

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

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 Drawing for the DDE/DDS Model

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 Catalog Section
Typical Specification Sheet
Submittal
IOM

DDE (Exhaust)
DDS (Supply)
Exhaust Rainhood (45 degree)
Supply Rainhood (90 degree)

  • General/Clean Air
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