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2-Ply Polyester Air Duct

  • Designed for wherever UL 181 standards for Class 1 Air Duct is required.
  • The 2-ply polyester laminated inner core provides outstanding resistance and durability
  • The fiberglass reinforced metalized outer jacket is extremely strong and
    will not unravel
  • Suitable for use with heating, ventilation and air conditioning systems
2-Ply Polyester Air Duct
2-Ply Polyester Air Duct
2-Ply Polyester Air Duct
2-Ply Polyester Air Duct

Technical Data

Construction Materials
Duct liner is permanently bonded to a corrosion resistant spring
steel wire helix, also supporting a blanket of fiberglass insulation.
Vapor barrier is an outer jacket of fiberglass reinforced metalized
film laminate.

Codes / Standards
UL 181 / Class 1 Air Duct

Operating Pressure (inches water column)
Positive = 10 inches H²O (2.5 kPa) intermittent
Positive = 6 inches H²O (1.5 kPa) continuous
Negative = 2 inches H²O (0.5 kPa)

Operating Temperature Range
@ 6 inches H²O (1.5 kPa) Positive
Minimum = -20°F (-28°C)
Maximum = 140°F (60°C)

@ 2 inches H²O (0.5 kPa) Positive
Minimum = -20°F (-28°C)
Maximum = 180°F (82°C)

@ 1/2 inches H²O (0.12 kPa) Positive
Maximum = 250°F (121°C) intermittent

Velocity (feet per minute)
4,000 f.p.m. (20.3 m/sec)

R-Value
R-4.2, R-8.0

Surface Burning Characteristics
Maximum Flame Spread = 25
Maximum Smoke Development = 50

Vapor Barrier Permeance
0.04 perm (2.3 ng / s.m².Pa)

Available Diameters
3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 16, 18 inches

Available Lengths
6, 10, 25 feet

Specifications

Item No.Description
MEA-06066" X 6' Air Duct SILVER/4.2
MEA-03103" X 10' Air Duct SILVER/4.2
MEA-04104" X 10' Air Duct SILVER/4.2
MEA-05105" X 10' Air Duct SILVER/4.2
MEA-06106" X 10' Air Duct SILVER/4.2
MEA-03253" x 25' Air Duct SILVER/4.2
MEA-04254" x 25' Air Duct SILVER/4.2
MEA-05255" x 25' Air Duct SILVER/4.2
MEA-06256" x 25' Air Duct SILVER/4.2
MEA-07257" x 25' Air Duct SILVER/4.2
MEA-08258" x 25' Air Duct SILVER/4.2
MEA-09259" x 25' Air Duct SILVER/4.2
MEA-102510" x 25' Air Duct SILVER/4.2
MEA-122512" x 25' Air Duct SILVER/4.2
MEA-142514" x 25' Air Duct SILVER/4.2
MEA-162516" x 25' Air Duct SILVER/4.2
MEA-182518" x 25' Air Duct SILVER/4.2
MEA-0325-33" x 25' Air Duct SILVER/8.0
MEA-0425-34" x 25' Air Duct SILVER/8.0
MEA-0525-35" x 25' Air Duct SILVER/8.0
MEA-0625-36" x 25' Air Duct SILVER/8.0
MEA-0725-37" x 25' Air Duct SILVER/8.0
MEA-0825-38" x 25' Air Duct SILVER/8.0
MEA-0925-39" x 25' Air Duct SILVER/8.0
MEA-1025-310" x 25' Air Duct SILVER/8.0
MEA-1225-312" x 25' Air Duct SILVER/8.0
MEA-1425-314" x 25' Air Duct SILVER/8.0

Over 40 Years of Quality Manufacturing

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