Product appearance may vary with selected size and finish.
Air Control & Fire Dampers
VD-RD
Round Volume Damper
Installed within rectangular duct systems to regulate, balance, or shut off airflow in zoning systems.
- Material
- Galvanized Steel Sheet, 0.9 mm thickness.
- Size
- Standard or Custom Sizes
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Specifications
- Material
- Galvanized Steel Sheet, 0.9 mm thickness.
- Application
- Installed within rectangular duct systems to regulate, balance, or shut off airflow in zoning systems.
- Functional Features
- Circular spin damper designed for round duct installations: • Equipped with a single round damper blade operated by a manual lockable side crank arm for secure, vibration-free air volume adjustment. • Roll-formed cylindrical casing constructed from high-grade 0.9 mm galvanized steel to resist deformation under high static pressure. • Available with flanged ends or as a standard slip-on collar fitting for easy and airtight connection to rigid round ducts or flexible ducting.
- Design Intent
- Designed specifically to provide a highly secure, airtight air volume control solution within circular airflow paths, eliminating leakages at branch connections. • Lightweight and compact cylindrical design minimizes ceiling space consumption and simplifies installation overhead. • Ideal for: Round branch duct lines, individual diffuser air balancing, exposed spiral duct systems, and flexible duct extensions.
- Size
- Standard or Custom Sizes
