What are Louver Dampers Used for?

8 Oct 2020 Industrial Dampers

There are many different kinds of dampers and each kind is ideally suited for a specific purpose. At Flextech Industries, we design and engineer customized ventilation and piping solutions and systems, including various types of industrial dampers. If you have an HVAC system that needs better flow control, it can be useful to know what louver dampers are used for and what kind of varieties are available.

What is a Louver Damper?

A louver damper is a device that has horizontal blades that rotate on a fulcrum in order to control the flow of materials. These dampers are able to offer precise flow regulation with little to no leakage, depending on the design. Single and double louver designs are available in order to offer varied levels of control over air flow. Different types of blades are often used as well for applications with various temperature needs or types of gas being ventilated.

Where are Louver Dampers Commonly Used?

There are many common applications for louver dampers. They are usually seen in systems that regulate the flow of gases, and some examples of these uses include:

HVAC Systems

Louver dampers are most commonly seen throughout all kinds of industrial and residential HVAC systems. They can be used to efficiently and reliably control the amount of hot or cold air moving through a ventilation system in order to regulate the temperature of a facility. If something breaks on a louver damper, parts are usually fairly easy and inexpensive to change out, meaning that there will be little downtime for the system.

Stack Isolation

Because louver dampers are able to efficiently and precisely restrict airflow, they are commonly used to minimize heat loss and protect ductwork in stack isolation applications.


Louver dampers can be made using materials that are highly resistant to high heat, making them ideal for ventilation or air intake for incinerators. They also allow for fast operating speeds, making quick adjustments easy and doable.

If you would like to find out more about what louver dampers are used for, or if you are interested in learning more about the other products that Flextech Industries offers, please contact us at the location nearest you or fill out a form on our website and we will get back to you.