Description
Flexible Duct System; Type
Class 1, Plain End;
Insulation Type R4; Burning
Character Maximum Flame
Spread 25, Maximum Smoke
Developed 50; Air Velocity
5000 FPM; Rated Positive
Pressure 6 Inch WC; Rated
Negative Pressure 1 Inch WC;
Jacket Material Tough
Reinforced Metalized
Polyester; Core Material
Double Lamination Tough
Polyester with Steel Wire
Helix; Length 25 Foot; Width
10 Inch; Temperature Rating
-20 to 140 Deg F; Applicable
Standard UL 181, ASTM C518,
NFPA 90A/90B, ADC; Insulating
Material Thick Blanket
Fiberglass; For Low to Medium
Operating Pressure in HVAC
System