WD-323

For Use With Models CW & CWB

Centrifugal Sidewall Exhaust Fans

®

Special Purpose

BACKDRAFT DAMPER

Application and Design

The WD-323 series is a vertically mounted backdraft damper that is designed for use with Models CW & CWB centrifugal sidewall exhaust fans to allow horizontal airflow and prevent reverse airflow. The damper is opened by air pressure differential and gravity and closed by springs. Optional motor pack converts to motorized operation.

Standard Construction

Frame:

0.063 in. (1.6mm) extruded aluminum.

Blades:

0.025 in. (.64mm) roll formed aluminum.

Axles:

3/16 in. (4.8mm) diameter plated steel, full length.

Bearings:

Synthetic sleeve type.

Linkage:

0.064 in. (1.6mm) aluminum tie bar.

 

Spring assisted to close blades.

Blade Seals:

Vinyl .

Sizes Available:

8 in. x 8 in. (203mm x 203mm)

 

10 in. x 10 in. (254mm x 254mm)

 

12 in. x 12 in. (305mm x 305mm)

 

15 in. x 15 in. (381mm x 381mm)

 

17 in. x 17 in. (432mm x 432mm)

 

20 in. x 20 in. (508mm x 508mm)

 

25 in. x 25 in. (635mm x 635mm)

15/16 in.

*Damper

Airflow

Size

 

5

1 /16 in.

7

1 /8 in.

6 1/2in.Max.

1

12 /4 in.Max.

Options (at additional cost)

WD-323 Motor Packs (24v, 115v,

208/230v, or 440v)

• End Switch Kit: Model #851038

* W & H dimensions furnished approximately 1/8 in. (3mm)

 

under size.

 

W is always parallel to damper blades.

Copyright ©2005 Greenheck Fan Corporation WD-323 Rev. 3 April 2005

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Greenheck Fan WD-323 dimensions Backdraft Damper, Application and Design, Standard Construction

WD-323 specifications

The Greenheck Fan WD-323 is an advanced ventilation solution designed to meet the demands of modern industrial and commercial applications. Renowned for its robust construction and efficiency, the WD-323 provides superior performance in various environments, making it a popular choice among facility managers and engineers.

One of the primary features of the WD-323 is its high-efficiency direct-drive motor, which reduces energy consumption while maintaining powerful airflow. This fan is engineered with precision-balanced blades that enable quiet operation and minimize vibration levels, ensuring a more comfortable working environment. The fan's ability to deliver high static pressure makes it suitable for applications where airflow resistance is prevalent.

The WD-323 is equipped with advanced technologies that enhance its operational capabilities. The built-in motor overload protection safeguards the unit from potential damage due to overheating, ensuring longevity and reliability. Additionally, the fan supports variable frequency drive (VFD) integration, allowing for adjustable speed control that optimizes performance based on the specific needs of the facility. This capability not only improves energy efficiency but also allows for tailored ventilation solutions.

Another significant characteristic of the WD-323 is its customizable design options. It can be configured for various mounting positions, including horizontal, vertical, or even ducted configurations. This versatility makes it ideal for diverse installation scenarios, from manufacturing plants to commercial kitchens.

The fan's housing is constructed from durable materials that ensure resistance to corrosion and wear, enhancing its durability in harsh environments. It also features easy access panels for straightforward maintenance, reducing downtime and operational disruptions.

Incorporating the Greenheck Fan WD-323 into a ventilation system offers substantial benefits in terms of energy savings, noise reduction, and overall effectiveness. Its blend of state-of-the-art technologies, robust design, and efficiency compliance makes it a leading choice for improving air handling in various facilities. By prioritizing quality and performance, Greenheck continues to set industry standards with the WD-323, ensuring a reliable solution for managing indoor air quality in an increasingly demanding market.