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ATCO - 05502516 16" x 25' 500 Series Uninsulated Flex Duct

Item: FD-16X25-UI
MFR: 05502516

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Product Info


ATCO - 16" X 25' 500 Series Uninsulated Flex Duct

ATCO's 500 Series is a UL 181 Class 1 Air Connector which meets the requirments of NFPA (90A & 90B). 500 Series is manufactured with a tough double ply duct wall construction. 25' lengths, which can easily be cut to desired length, are compressed and packed in small, easy to store cartons.
The 500 series is air-tight and is designed for low to medium operating pressures in HVAC systems.

  • Durable metalized polyester construction - tear and puncture resistant - low maintenance
  • Flexible and Maintains shape - easily handled and installed - low labor cost
  • Air-tight - energy efficient
  • Encapsulated wire helix - no unraveling when cut to length - quick installation
  • Smooth inner core - low friction loss - lower operating cost
  • Lightweight compact carton - reduces warehouse and job site handling cost
Warning: this product contains a chemical known to the State of California to cause cancer.


Weight11.433 Pounds (lbs)
Width17 Inches (In)
Height17 Inches (In)
Country of OriginUSA
Length10 Inches (In)
ApplicationAir Distribution
ComplianceUL 181 Air Connector, ICC Codes
Core MaterialPolyester/Wire Helix Core
FeaturesPlain Ends
Fire RatingFlame Spread: 25 max, Smoke Developed: 50 max
Inside Diameter16"
Jacket MaterialPolyester
Maximum Air Flow5000 FPM
Maximum Pressure10" W.G.
Maximum Temperature180°F (82.2°C)
Operating Temperature-20°F to 180°F (-28.8°C to 82.2°C)
Pressure Rating6" w.g. - 4" thru 12" Dia., 4" w.g. - 14" thru 20" Dia.
Prop 65Yes
Size16" x 25'
Vapor Transmission.05 perms
Warranty OfferedYes


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