ATCO #030, 036, and 031 are UL 181, Class 1 Air Ducts and are manufactured with a tri-directional fiberglass scrim reinforced, metallized polyester outer jacket. The inner core of all three products is air-tight and designed for low-to-medium operating pressures in HVAC systems. ATCO #036 and 031 have increased insulation for superior thermal performance.
Be sure to pair this outdoor model with the right, SEER-boosting indoor furnace or air handler to gain the most efficiency.
Features
Air-tight inner core - energy efficient/no fiberglass erosion into air stream
Encapsulated wire helix - no unraveling when cut to length/quick installation
Smooth inner core - low friction loss /low operating cost
Thick blanket of fiberglass insulation energy efficient/excellent thermal characteristics
Tough reinforced metallized polyester jacket - tear and puncture resistant/low maintenance
Lightweight compact carton reduces warehouse and jobsite handling cost
4 thru 12 in dia 6 in WG maximum positive pressure, 14 thru 22 in dia 4 in WG maximum positive pressure
3 thru 12 in dia 1 in WG maximum negative pressure, 14 thru 22 in dia 3/4 in WG maximum negative pressure
Maximum Operating Temperatures: -20 to 140 deg F continuous (at maximum pressure), -20 to 180 deg F continuous (at 2 in pos WG max), -20 to 250 deg F intermittent (at 1/2 in pos WG max)
R-Value 6
End treatment: 25 ft plain ends
Flame spread: 25 maximum
Smoke developed: 50 maximum
