- Description
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Product Highlights
Flex-Vent KM is a thermally insulated, fully lined, UL 181 Class 1 flexible air duct designed for low to medium pressure cooling and heating HVAC systems. It can be used in either supply or return sections and provides economical means for handling misalignment between systems components and ducting around obstacles where fabricated and fitted ducts are difficult and costly to use. It is equally suitable for new jobs or retrofit work and is especially useful whenmaking system extensions or for changing conditioned zones, now or in the future. Compliance to NFPA Standards allows you to install lengths longer than the 14' limitation applying to connectors. It is a highly efficient part of the total duct system because the smooth liner, the ample insulation and tough outer vapor barrier provide good airflow, thermal insulation and a double air seal.California residents: see Proposition 65 Warning
- Specifications
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Weight 35.70 Pounds Length 20.63 Inches Width 24.88 Inches Height 20.63 Inches Country of Origin USA Brand Thermaflex Tier KM R-Value R4.2 Jacket Material Scrim Reinforced Grey Polyester Vapor Transmission 0.1 Application Air Distribution Certifications GreenGuard Indoor Air Quality Certified and GreenGuard Children and Schools Certified Color Silver, Pink Comments/Notes UL Listed - USA & CAN Composition Fiberglass Core Material Laminated Polyester Film Features Complies with NFPA Standards 90A and 90B. Corrosion resistant steel wire helix. Fully lined for efficient air delivery. The outer vapor barrier is a jacket of fiberglass scrim reinforced metallized film laminate. Fire Rating Meets UL 181 & NFPA 90A-90B Fire Codes Inside Diameter 18" Insulated Yes Maximum Air Flow 5000 FPM Maximum Pressure Positive = 10" (4-16" ID) 6" (18-20"ID) Negative= 1/2" (4-20" 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 10 inches (4"-16" ID), 6 inches (18"-20" ID) - Negative: 1/2 inch (4"-20" ID) Size 18" x 25' Warranty Offered Yes Compliance NFPA 90 A and 90 B UL Listed Yes UL Recognized Yes - Documentation
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