|Item||Insulated Flexible Duct|
|Insulation Value||R 4.2|
|Max. Air Flow||5000 fpm|
|Low Temp. Deg.||-20?F|
|For Use With||Heating and Cooling Systems|
|Features||Air Tight Inner Core, Encapsulated Wire Helix, Smooth Inner Core, Thick Blanket of Fiberglass Insulation, Tough Reinforced Metallized Polyester Jacket, Light Weight Compact Carton|
|Standards||UL181, NFPA 90A and 90B, IMC, IRC, UMC 10-1 (ICC ES Report No. ESR-1268), HUD 515-2.1, Cities of Chicago, New York, San Francisco, County of Dade (Florida), California State Fire Marshall|
|Includes||Metallized Polyester Vapor Barrier|
- Note: R-Values are in accordance with ADC Flexible Duct Performance and Installation Standards (2003) using ASTM C-518 at installed wall thickness on flat insulation only.
- Recommended operating press.: 3/4" WC neg., all dia.; 6" WC pos., all dia. except 4" WC pos. for 14" to 18" dia. Temp. range: uninsulated duct -20 to 180 F; insulated duct -20 to 140 F @ max. press. and -20 to 180 F @ 2" pos. WC max.
- Rated positive pressure: 10" WC per UL 181 Velocity: 5,000 fpm Standard lengths: 25 ft. Flame spread/smoke developed: < 25 / < 50 Rated for indoor use
- Feature double-ply vapor barrier with tridirectional reinforcements. All-purpose ducts are gray polyester. Premium ducts are metallized polyester.