What are the 3 types of dampers?

Types of Dampers in HVAC

• Introduction to Different Types of Dampers.
• Butterfly Flat Dish Damper.
• Blade Dampers.
• Guillotine Dampers.
• Louver Dampers.
• Inlet Vane Dampers.

Can you add dampers to duct?

If, in the winter, your downstairs is far warmer than your upstairs, and conversely in the summer, a damper installed in your ducts can allow you to change the flow, cutting off air where needed and letting the natural flow of hot and cold air do the rest. Both manual and electric dampers are available.

How do you install a square duct damper?

Step 1: Cut a 4-1/4” slot in the duct wall. Locate slot in side of duct for side-mounted dampers, and in the bottom of the duct for bottom-mounted dampers. Step 2: Gently rotate the damper blade(s), to fit into the cut slot then slide the damper into the slot until the faceplate meets the duct wall.

What kind of fire dampers are used in ducts?

DAYTON Round Fire Dampers. Dayton round fire dampers are designed for use in duct systems or penetrations of fire-rated barriers that have been designed to have pressurized airflow when the dampers are expected to cycle closed during fires. They can accommodate airflow in either direction.

What are the dimensions of the ND dampers?

The ND dampers combined with the Ultra-Zone zoning system provides the most comfortable and reliable system in the industry. The ND is available in 8″ x 6″ thru 30″ x 30″ in even inch increments. The motor will be mounted on the second dimension when ordered.

What kind of plastic is used in Backdraft dampers?

Join duct and fittings with quick-release clamps for faster disassembly and cleanout than other duct systems. Made of PVC plastic to withstand acids, alkalies, salts, and other corrosive vapors and fumes.

What does a barometric damper do in a furnace?

In the event of a fire, these dampers automatically stop airflow through duct. Also known as barometric dampers, these dampers improve furnace performance by automatically opening and closing to maintain consistent airflow despite changing environmental conditions.