Atco

UPC #30 (insulated)

• Atco's UPC #30 is a UL 181 Class 1 air duct and is manufactured with a reinforced metallized polyester jacket
• Inner core is air-tight and is designed for low to medium operating pressures in HVAC systems
• Available in 25' lengths

Available diameters:

Performance data:

• Rated positive pressure: 10" w.g. per UL 181 (UL listed pressure ratings are determined in straight lengths @ ambient temperatures)
• Recommended operating pressures: (Determined in a 90° bend at elevated temperatures in accordance with ADC FD 72-R1 test code)

Maximum positive:
6" w.g. - 4" thru 12" Diameter
4" w.g. - 14" thru 20" Diameter
*(With factory installed metal collars, 2" w.g. for all diameters)
Maximum negative:
¾" w.g. for all diameters

• Maximum velocity: 5,000 FPM
• Vapor transmission: 0.05 perms
• Maximum operating temperatures:

-20°F to 140°F continuous (@ maximum pressure)
-20°F to 180°F continuous (@2" pos. w.g. max)
-20°F to 250°F intermittent (@½" pos. w.g. max)

• R value: 4.2
• Flame spread: less than 25
• Smoke spread: less than 50

UPC #50 (uninsulated)

• Uninsulated, UL 181 class 1 air connector
• Constructed of a triple lamination of tough metallized polyester, aluminum foil and polyester encapsulating a steel wire helix

Available diameters:

Performance data:

• Rated positive pressure: 10" w.g. per UL 181
• Recommended operating pressures: 6" w.g. positive; ¾" w.g. negative
• Maximum velocity: 5,000 FPM
• Operating temperature range: High: 180°F internal; Low: -20°F external
• Flame spread: less than 25
• Smoke spread: less than 50

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