Insulated flexible-duct construction Flexible HVAC duct
O-Pure Insulated Flexible Duct
O-Pure insulated flexible duct is designed for HVAC air distribution where flexibility, thermal insulation and a broad operating-temperature range are required. Available diameters run from 3 to 20 inches, with supplier-stated airflow velocity up to 5000 FPM and pressure limits that vary by diameter. Specify the duct diameter, operating pressure and required fire-standard documentation with the quotation.
- 01 · Material
- Insulated flexible-duct construction
- 02 · Form
- Flexible HVAC duct
- 03 · Supply basis
- Project quotation
Confirm for order: grade · dimensions · finish · quantity · destination · documentation
Technical data
Product specifications
Operating envelope
- Temperature range
- -26°C to 150°C
- Maximum velocity
- 5000 FPM
- Maximum positive pressure
- 10 in. w.g. for 4–16 in.; 6 in. w.g. for 18–20 in.
- Maximum negative pressure
- 0.8 in. w.g. for all diameters
Sizes & references
- Diameter range
- 3 / 4 / 5 / 6 / 8 / 10 / 12 / 14 / 16 / 18 / 20 in.
- Fire rating
- Class 1 per UL 723
- ASTM reference
- ASTM E84
- NFPA reference
- NFPA 90A & 90B
- European reference
- EN 13501-4
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