16" x 25' M-KE R4.2 Insulated Silver Acoustical Flexible Air Duct - Box

Product Highlights

Thermaflex® M-KE air duct is a thermally insulated,fully lined, flexible air duct designed for use in all medium pressure cooling and heating systems. It is used in either supply o
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Item #: 21016A

Mfg #: 055716000001

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Description

Product Highlights

Thermaflex® M-KE air duct is a thermally insulated,fully lined, flexible air duct designed for use in all medium pressure cooling and heating systems. It is used in either supply or return sections: for branch ducts and branch connections to or between mixing units, induction units, control or terminal units and diffusion devices, including light troffers.
Thermaflex® M-KE air duct provides economical means for handling misalignment between system components and ducting around obstacles where fabricated and fitted ducts are difficult and costly to install.
Thermaflex® air duct is equally suitable for new jobs or refit work and is especially useful when making system extensions orfor changing conditioned zones, now or in the future.Compliance with NFPA Standards lets you install lengths longer than the limitation applying to connectors.
Thermaflex® M-KE is a highly efficient duct because the liner, in combination with the reinforced, metallized vapor barrier, provides a double air seal.

California residents: see Proposition 65 Warning

Specifications
Weight26.30 Pounds
Length18.63 Inches
Width16.00 Inches
Height18.63 Inches
Country of OriginUSA
BrandThermaflex
TierM-KE
R-ValueR4.2
Jacket MaterialReinforced Metallized Jacket
Vapor Transmission0.05
ApplicationAir Distribution
CertificationsGreenGuard
ColorSilver, Pink
Comments/NotesUL Listed - USA & CAN
CompositionFiberglass
Core MaterialChlorinated Polyethylene
Fire RatingMeets UL 181 & NFPA 90A-90B Fire Codes
Inside Diameter16"
InsulatedYes
Maximum Air Flow5000 FPM
Maximum PressurePositive = 10" (4-12" ID) 6" (14"-16" ID) 4" (18-20" ID) Negative = 1" (4-12" ID) 1/2" (14-20" ID)
Maximum Temperature250°F (121.1°C)
Operating Temperature-20°F to 200°F cont., -20°F to 250°F intermittent
Pressure RatingWG - Positive 10 inches (4"-12" ID), 6 inches (14"-16" ID), 4 inches (18"-20" ID) - Negative 1 inch (4"-12" ID), 1/2 inch (14"-20" ID)
Size16" x 25'
Warranty OfferedYes
ComplianceNFPA 90 A and 90 B
UL ListedYes
UL RecognizedYes
Documentation

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