Product HighlightsThermaflex® M-KC is designed for use in all 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. It provides economical means for handling misalignment between systems components and ducting around obstacles where fabricated and fitted ducts are difficult and costly to install. It is equally suitable for new jobs or refit work and is especially useful when making systems extensions or for changing zones, now or in the future.
Compliance with NFPA Standards lets you install lengths longer than the limitation applying to connectors. It is a highly efficient duct in higher pressure systems because the liner, in combination with the reinforced, metallized vapor barrier, provides a double air seal.
California residents: see Proposition 65 Warning
Weight 23.10 Pounds Length 15.13 Inches Width 12.00 Inches Height 15.13 Inches Country of Origin USA Brand Thermaflex Tier M-KC R-Value R4.2 Jacket Material Reinforced Metallized Jacket Vapor Transmission 0.05 Application Air Distribution Certifications GreenGuard Color Silver Comments/Notes UL Listed - USA & CAN Composition Fiberglass Core Material Woven Fiberglass Fire Rating NFPA Standards 90A and 90B, Max Flame Spread 25. Max smoke developed 50 Inside Diameter 12" Insulated Yes Maximum Air Flow 6000 FPM Maximum Pressure Positive = 6" (4-10" ID) 10" (12"-16" ID) Negative = 2" (4-16" ID) Maximum Temperature 250°F (121.1°C) Operating Temperature -20°F to 250°F (-28.8°C to 121.1°C) Pressure Rating WG - Positive 16 inches (4"-10" ID), 10 inches (12"-16" ID) - Negative: 2 inch (4"-16" ID) Size 12" x 25' Warranty Offered Yes Compliance NFPA 90 A and 90 B UL Listed Yes UL Recognized Yes
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