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RRD Duct Mounted Radial Fan Blade Damper
Accessories
The gang-operated radial blades of the RRD Duct Mounted Radial Fan Blade Damper slide at right angles to the duct and work efficiently in flexible duct applications. This damper is shipped loose for easy field installation.
- Available in a range of sizes—6”, 8”, 10”, 12” and 14”
- Adjustable with screwdriver
- Available in a Mill (ML) finish
Product Application

Features
- RRD model is duct-mounted
- The gang-operated blades slide at right angles to the duct
- The damper is screwdriver adjustable
- Available sizes include 6”, 8”, 10”, 12”, and 14”
- Available in a steel construction
- The product is shipped loose for field installation
- It can be used in flexible duct applications
- The standard finish is Mill (ML)
Benefits

Features a superior construction that ensures minimum noise, air resistance and turbulence.

With published flow factors available, precision balancing is possible with higher accuracy.

The RRD damper’s design allows it to be used comfortably in environments with less height.
Technical Resources
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