Noninsulated Flexible Duct, 3 In. Dia.050253 49900
Average Rating: n/a
|Item||Noninsulated Flexible Duct|
|Material||Metallized Polyester, Aluminum Foil, Polyester Encapsulated and Steel Wire Helix|
|Max. Air Flow||5000 fpm|
|Low Temp. Deg.||-20?F|
|For Use With||Heating and Cooling Systems|
|Features||Flexible and Maintains Shape, Air Tight, Encapsulated Wire Helix, Smooth Inner Core, LightWeight Compact Carton, Durable Metallized Polyester,Aluminum Foil and Polyester Laminate Construction|
|Standards||UL181, NFPA 90A and 90B, IMC, IRC, UMC 10-1 (ICC ES Report No. ESR-1268), HUD, Cities of Chicago, New York, San Francisco, County of Dade (Florida), California State Fire Marshall, SBCC, BOCA|
- 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
- Class 1 air connector is a triple lamination of metallized polyester, aluminum foil, and polyester film, encapsulating a steel wire helix.