Material: Constructed From Durable Materials Like Galvanized Steel Or Aluminum To Withstand The Conditions Within Ductwork And Resist Corrosion.

Design: Round Shape With A Flap Mechanism That Opens And Closes To Control Airflow.

Sizes: Available In Various Diameters To Match Different Duct Sizes And Airflow Requirements.

Flap Mechanism: The Damper Features A Hinged Flap That Pivots To Control The Passage Of Air. The Flap May Be Operated Manually Or Automated.

Sealing: Effective Sealing Mechanisms, Such As Gaskets Or Seals, To Minimize Air Leakage When The Damper Is Closed.

Operation: Flap Dampers Can Be Operated Manually Using Handles Or Levers, Or They Can Be Motorized For Automated Control.

Orientation: Can Be Installed Horizontally Or Vertically Within The Ductwork, Depending On The Application And Airflow Direction.

Accessories: Some Flap Dampers May Come With Accessories Like Position Indicators, Actuators, Or Controllers For Automated Operation.

Pressure Drop: Manufacturers Might Provide Information About The Pressure Drop Caused By The Damper In Both Open And Closed Positions.

Noise: Information About The Noise Generated By The Damper During Operation, Especially In Applications Where Noise Control Is Important.

Installation: Designed For Easy Installation Within Ducts Using Standard Connections, Often Requiring Sheet Metal Screws Or Other Fastening Methods.

Temperature Resistance: Dampers Should Be Able To Withstand The Temperature Conditions Within The HVAC System.

Maintenance: Some Flap Dampers Might Offer Easy Access For Inspection, Maintenance, And Cleaning.

Application: Used For Various HVAC Applications, Including Air Balancing, Zoning, And Controlling Airflow To Different Areas.