Silver Connector Uninsulated Flex Duct
- Models #FC is a U.L.181 approved Class 1 Connector material.
- It is constructed of multiple laminations of aluminum foil and polyester film, encapsulating a galvanized steel wire helix, which forms an air tight duct.
- Ideal in duct runs in areas where insulated flexible duct is not required.
- A low cost connector alternative for supply, return and venting of air.
- Only used for venting of air within the limits of the performance data.
- Foil connector is ideally suited for use as a dryer vent hose due to its fire resistant property.
- When used as a connector in HVAC systems, codes require that the length not exceed 14′.
- This product is not intended for outdoor use.
- Code Compliance: Meets requirements of U.L.181, SBCC, BOCA, NFPA90A and 90B, HUD 515-2.1 (b)
Performance Data
Comprehensive technical specifications for all models
Rated Pressure
10″ W.G. positive, 3/4″ W.G. negative per U.L.181.
Maximum Velocity
5500 FPM
Maximum Operating Temperatures
-20 F to 250 F
Fire Safety Rating
U.L. 181 (Flame spread less than 25, smoke developed less than 50)
Installation Instructions
Sizing and Packaging Details
- Manufactured in nominal sheet metal round duct sizes: 3″,4″,5″,6″,7″,8″,9″,10″,12″,14″,16″,18′,20″ and in 25′ lengths.
- Packaging for 3″ and 4″ is 4 pcs. per box.
- All other sizes are 2 pc. per box.
- Special lengths are available upon request.
- 26 pallets per truckload
- Stackable
- Available in Silver, Black, Gray Jackets
- Patented core technology