Description:

High quality uninsulated aluminum foil flexible air duct for use in commercial HVAC systems. Provides easy and fast installation with round or oval connections. Air tight constructioin with smooth bore for low friction loss and lower operating cost.

Construction:

Inner Core:
2 plies of tough aluminum Foil/Polyester (Total of 4 plies) laminated with a flame retardant adhesive encapsulating a spring steel-wire helix.

Fiberglass Insulation:
N/A

Outer Jacket:
N/A

Performance data:

Temperature Range: - 29°C to + 82°C

Working Pressure:
Diameters 100mm - 250mm: 1.5 kPa (positive) 0.19 kPa (negative)
Diameters 300mm - 500mm: 1.0 kPa (positive) 0.19 kPa (negative).

Air Velocity: Maximum 25m/s.

Air Leakage: .002 m³/hr - m (Length) - mm (Diameter).

Vapor Permeance: N/A.

Thermal Value (R): N/A.

Puncture Resistance: UL - 181 Puncture Test.

Fire Safety testing BSA 476:

Ignitability: <10 sec.

Fire Propagation: I = 7.1, i₁ = 5.8, i₂ = 1.2, i₃ = 0.1.

Flame Spread: Class 1.

Size Availability:

Diameters:
100mm - 250mm in 25mm increments.
300mm - 500mm in 50mm increments.

Length:
7.6M. Standard For All diameters.