
Metalflex V350-U Uncompressed Air Duct
- Metalflex® product is produced using the same process, machinery, and materials that has made it so successful for the past 40+ years.
- Our design allows for better stretching and bending characteristics. This helps eliminate flattening on the outside radius of a bend thus preventing restricted airflow.
- Spiral formed out of aluminum alloy with 30° strength angles between ribs, mechanically locked together with continuous knurled leak proof "Acme" lock
- Crimped ends slides easily into plain end, ensuring smooth connections.
PRODUCT SPECIFICATIONS
- Uncompressed duct
- Uninsulated
- Factory crimp on one end, other end plain
- UL® 181 label Class 0 Air Duct in accordance with NFPA 90a and 90b
PERFORMANCE DATA
Recommended Operating Pressure: Maximum positive and negative: 3" thru 10" diameters = 12" w.g. 12" diameter = 8" w.g.
Maximum velocity: 5,000 FPM
Operating Temp. Range: -100°F to +430°F
Flame Speed: 0
Smoke Developed: 0
INSTALLATION: Air duct connections and joints shall be made per installation instructions outlined by Builder's Best and as required by the UL 181 listing procedure. (Installation instructions are included inside each carton.)
Model | Case # | Packaging | Note: | UPC | Diameter | Length | Listing | Each # | Quantity |
---|---|---|---|---|---|---|---|---|---|
V350-U | 110744 | Bulk | Regional Availability | 722048107441 | 3" | 8' | UL® 181 | 10744 | 42 |
V350-U | 110745 | Bulk | Regional Availability | 722048107458 | 4" | 8' | UL® 181 | 10745 | 25 |
V350-U | 110759 | Bulk | Regional Availability | 722048107595 | 5" | 8' | UL® 181 | 10759 | 16 |
V350-U | 110760 | Bulk | Regional Availability | 722048107601 | 6" | 8' | UL® 181 | 10760 | 12 |
V350-U | 110761 | Bulk | Regional Availability | 722048107618 | 7" | 8' | UL® 181 | 10761 | 9 |
V350-U | 110762 | Bulk | Regional Availability | 722048107625 | 8" | 8' | UL® 181 | 10762 | 6 |
V350-U | 110763 | Bulk | Regional Availability | 722048107632 | 9" | 8' | UL® 181 | 10763 | 5 |
V350-U | 110764 | Bulk | Regional Availability | 722048107649 | 10" | 8' | UL® 181 | 10764 | 4 |
V350-U | 110755 | Ind. Box | Regional Availability | 722048107557 | 12" | 8' | UL® 181 | 10755 | 2 |