CFD Forward Curved Belt Drive In-line Duct Blower

In-line/Sidewall Duct Fan Series

CFD Model

Model Features

  • Rated up to 5,800 CFM in static pressure applications up to 2-1/2" w.g.
  • 5 sizes ranging from 7 to 15
  • Single DWDI forward curved blower assembly with the motor located in the air stream
  • Belt drives permit easy performance adjustments when needed
  • Can be used in both horizontal & vertical airflow positions
  • Removable access panels provide easy access for service
  • AMCA Air and Sound Licensed
  • cULus Listed
  • This product meets the requirements of Buy American (2009) and Build America, Buy America (BABA), as part of IIJA (2022). Download letter here.

AMCA Air and Sound cULus   BABA-ACT

Model Overview

The Forward Curved Belt Driven Inline Duct Blowers (CFD) are designed for supply, exhaust or duct return applications. The CFD is an economical fan model designed to run quietly and efficiently in cooling, heating, and ventilating applications.

The CFD was designed with several features to make life easier for the user. These features include removable access panels with handles, adjustable motor pulleys for easy field adjusting, tight seals, and hanging rod connections.

A wide range of accessories and motors are available to meet special applications. These include: totally enclosed and two-speed motors. Some of the accessory options available are: filter housings, hanging and floor mount isolators and insulated housings.

2-year fan housing warranty, 1-year motor warranty

Size CFM Range Max SP
7 200 to 1,500 2-1/2"
9 500 to 2,200 1-1/4"
10 400 to 2,900 2-1/2"
12 800 to 4,000 2-1/2"
15 1700 to 5,800 1-1/4"
Dimensional Drawing for the CFD Model

Dimensional data is displayed in inches.

Size A B C D E F G
7 18 15-3/8 23 8-1/4 9-1/4 14 7-11/16
9 21 18 23 10-1/4 11-13/16 17 10-1/4
10 22-1/4 20 24-3/4 11-1/4 13-1/8 18-1/4 11-1/4
12 27 23 27-1/2 13-7/16 15-5/8 23 13-1/8
15 33-1/2 28 32 15-7/8 18-5/8 29-1/2 15-7/8
Size H J K L M Shaft (mm/in)
7 1-1/4 1-7/8 5/8 15-7/8 13-3/8 20 / 3/4
9 1-1/4 3-1/8 7/8 19 16 20 / 3/4
10 1-1/4 3-11/16 15/16 20-1/4 18 20 / 3/4
12 1-1/4 2-3/4 1-1/4 25 21 25 / 1
15 2-5/8 3 1 30-1/2 25 25 / 1

Standard Accessories

Hanging & Floor Brackets  
Insulated Housing  
Disconnect Switches  
Filter Section  
Rubber Isolator  
Spring Isolator  

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  • General/Clean Air