Thermaflex - 56510000001 - 10" x 25' RKD R4.2 Flex-Vent Insulated Flexible Air Duct

Item Number: THFRKD1025  MFR Part Number: 056510000001


10" RKD R4.2 Flex-Vent Insulated Flexible Air Duct
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Thermaflex R-KD Insulated For Outdoor Heating and Cooling In Low/Medium Pressure Systems. Ideal For Add-On Mobile Home Remote Air Conditioning and For Connecting Doublewide Units. Also Popular In Modular Building Systems. Perfect For Handling Misalignment Between System Components. For Example, It Can Be Easily Redirected Around Obstacles, Unlike Costly Stainless Steel Ducts.Flex-Vent Advantages:
  • Fast, Economical Installation.
  • Oversized Cores For Proper Fit.
  • Easily Shaped To Fit Oval Inlets.
  • Superior Insulation and Thermal Performance.
  • UL181 Listed and Complies with NFPA Standards 90A and 90B.
  • Complies with Most State and Federal Standards or Codes.
  • Ideal For Residential Air Distribution and Venting Applications.
  • Flex-Vent Is Competitively Priced and Backed By A 5 Year Warranty.
  • Diameter: 8-14 Inches ID
  • Pressure Rating: (Wg)
  • Positive: 6 Inches (8"-14" ID)
  • Negative: 1/2 Inch (8"-14" ID)
  • Velocity: 5000 Fpm
  • Temp.Range:-20F To 250F
  • R-Value: R-4.2, R-8.0
  • 5 Year Warranty
Meets Ul 181. Complies With Hud Mobile Home Construction Safety Code Part 3280.715

California residents: see Proposition 65 Warning

Weight13.8 Pounds (Lb)
Width10 Inches (In)
Height11.375 Inches (In)
Country of OriginUSA
Length11.375 Inches (In)
ApplicationAir Distribution
ColorBlack, Pink
Comments/NotesUL Listed - USA & CAN
CompositionLaminated Polyester duct liner is permanently bonded to a corrosion-resistan spring steel wire helix. Also supporting a thick blanket of fiberglass insulation and fiberglass scrim vapor barrier is an outer jacket of heavy Black polyethylene.
Core MaterialPolyester Film
Fire RatingMeets UL 181 & NFPA 90A-90B Fire Codes
Inside Diameter10"
Maximum Air Flow5000 FPM
Maximum PressurePositive = 6" (6-14" ID) Negative = 1" (6-12" ID) 1/2" (14" ID)
Maximum Temperature250°F (121.1°C)
Operating Temperature-20°F to 250°F (-28.8°C to 121.1°C)
Pressure RatingWG - Positive 6 inches (18"-20" ID) - Negative 1/2 inch (6"-12" ID)
Size10" x 25'
Warranty OfferedYes
ComplianceNFPA 90 A and 90 B
UL ListedYes
UL RecognizedYes