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Recognize The Different Damper Types In Your Facility

Here you will understand the two dampers which the collections can be seen on sites like Blackhawk supply for instance and their function:

Fire Dampers

Where ductwork breaches the barrier, fire dampers are installed within firewalls. They’re kept open by a flexible link, which is meant to melt and disintegrate at a specific temperature. Once the connection breaks, the fire damper’s curtain or louvers close automatically, establishing a seal and entirely sealing the fire barrier.

These dampers have been further classified into static and dynamic categories. If there is no circulation through the duct, a static fire damper will close. This implies that they are only installed in ducts where the air handler will shut off the airflow in the case of a fire.

Static fire dampers can be closed by gravity or spring since they do not oppose airflow. When there is circulation in the duct, active fire dampers are built to close. They are always aided by a certified spring that has been verified and is assured of sealing the damper regardless of airflow resistance. These can be placed whether or not the air handler will cut off airflow.

There are a few possibilities for why your fire dampers aren’t working. Frequently, the screws used to connect the damper are positioned so that the curtains or louvers cannot close correctly. The spring which should close your damper is sometimes rusty or damaged. The fusible connections that maintain your fire dampers open can break, resulting in a closed damper. While this is fire-safe, it can significantly impact your facility’s airflow. It will be much easier to diagnose what keeps your fire dampers from working properly if you have a basic knowledge of how they are supposed to work.

Dampers For Smoke

Smoke dampers are engaged when a smoke detection system provides a signal to the damper, similar to how fire dampers are activated when a fire interacts with the flexible link. In smoke barriers, smoke dampers are controlled by an actuator, an electric engine that turns the louvers of the damper. Actuators are connected to smoke detectors, and their power is switched on when smoke is detected. They can be operated remotely in some facilities, using a switch or a management system. The actuator opens and closes the damper based on its location when smoke is detected. The damper will close and provide a constant barrier if installed in a smoke barrier that separates suites. On the other hand, some smoke dampers are mounted against outside walls, and the actuator would open the damper to allow smoke to escape the building.

Because smoke dampers are more intricate, more things can prohibit them from working. Smoke damper actuators might wear out and stop working when the power is turned on. Actuators that aren’t working properly should be changed right away. It’s also possible that the power source is malfunctioning or the smoke detector is malfunctioning. Rust and misaligned screws, like fire dampers, can hinder a smoke damper from shutting correctly. You can learn more of the different models on Blackhawk supply.

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