Aluminum Round semi-rigid duct
Aluminum Semi-Rigid Duct
Aluminum semi-rigid duct provides a formable round air path for HVAC connections that require more shape retention than a fully flexible duct. The listed diameter range is 3–20 inches, with an operating range of -73°C to 224°C and pressure performance stated by duct diameter. Confirm diameter, installed bend geometry and applicable fire documentation for the project.
- 01 · Material
- Aluminum
- 02 · Form
- Round semi-rigid duct
- 03 · Supply basis
- Project quotation
Confirm for order: grade · dimensions · finish · quantity · destination · documentation
Technical data
Product specifications
Operating envelope
- Temperature range
- -73°C to 224°C
- Maximum velocity
- 5000 FPM
- Operating pressure
- 12 in. w.g. for 4–10 in.; 8 in. w.g. for 12–18 in.
Sizes & compliance references
- Diameter range
- 3 / 4 / 5 / 6 / 8 / 10 / 12 / 14 / 16 / 18 / 20 in.
- Fire rating
- Class O per UL 723
- Environmental reference
- RoHS
One request. A complete specification.
Request a quote
Tell us the required size, grade, quantity, finish, destination and documentation. We will confirm the complete order specification before supply.
- Exact configuration confirmation
- Documentation and standards check
- Project-specific logistics