PERFORMANCE DATA
Rated Positive Pressure: 10” w.g. per U.L. 181
Recommended Operating Pressures: 6” w.g. pos., 4”-12” dia., 4” w.g. pos.,
14”-20” dia.; 3/4” w.g. neg., all dia.
Velocity: 5,000 FPM
Standard Diameters: 4”-20”
Flame Spread/Smoke Developed: Less than 25/ Less than 50
Standard Lengths: 25’
*R-Values are classified by Underwriters Laboratories Inc., in accordance with the ADC Flexible Duct Performance and Installation Standards (1991) using ASTM C-518 at installed wall thickness on flat insulation only.
Code Compliance – UL 181, NFPA 90A & 90B, SBCC, ICBO, BOCA, HUD 515-2.1(b)
