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ATCO - R4.2 Insulated Flexible Duct
Our premium insulated duct has a double ply, metalized polyester vapor barrier with Tri-Directional reinforcements.
UPC #030 Double ply polyester core. R-Value = 4.2
PERFORMANCE DATA
Rated Positive Pressure: 10 w.g. per U.L. 181
Recommended Operating Pressures: 6" w.g. pos., 4"-12" dia., 4" w.g. pos., 14"-20" dia.; 3/4" w.g. neg., all dia.
Velocity: 5,000 FPM
Standard Diameters: 4"-20"
Flame Spread/Smoke Developed: Less than 25/ Less than 50
Standard Lenghts: 25 feet
*R-Values are classified by Underwriters Laboratories Inc., in accordance with the ADC Flexible Duct Performance and Installation Standards (1991) using ASTM C-518 at installed wall thickness on flat insulation only.
Code Compliance UL 181, NFPA 90A & 90B, SBCC, ICBO, BOCA, HUD 515-2.1(b)
| Product File | Size |
|---|---|
| 550-insulated-flexible-duct.pdf | 101.32 KB |
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