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The ALUFLEX AA3 is a fully flexible laminate duct with a steel spiral inserted between the layers of the duct. This flexible duct consists of 3 Aluminium-layers (7 micron), combined with 2 Polyester-layers (12 micron).
Application
The ALUFLEX AA3 flexible ducts are used in ventilation, air conditioning, and air handling systems where a high mechanical strength, temperature and fire resistance is required
Composition
3 aluminium layers of 7 micron
2 polyester layers of 12 micron
Total number of layers: 5
Thickness: 45 micron
Wire spacing: a steel spiral spring of different thicknesses and a pitch of 25mm (Ø82mm), 36mm (Ø102-508mm)
Colour: Aluminium
Specification
Temperature range: from - 30 °C to + 140 °C
Air velocity (max): 30 m/s
Operating pressure: -188 up to 2500Pa
Centerline bend radius: 1x diameter minimum
Diameter range: 82 mm - 508 mm
Fire safety: Class B - s1, d0 according to EN 13501-1
As the product does not contain PVC, no toxic vapours are released should fire occur
Produced according EN 13180: Dia Class B, Thightness Class C, Sag<4°, Crushing strength 13-35kg compressed; 2.5kg uncompressed.
Packaging
Each standard length of 10 m is compressed in an individual, reinforced cardboard box
Chemical resistance
Good resistance to many solvents
Moderate resistance to acid and base
Static properties
The ALUFLEX AA3 is suitable for applications where static discharges have to be avoided
Restrictions
The ALUFLEX AA3 ducts are not suitable for transporting air with a high concentration of acid and base
The ALUFLEX AA3 cannot be used for discharging combustion gases from open fireplaces and oil-fired boilers
Accessories
Clamps, type MCA
Aluminium tape, type ALUTAPE 40S PREMIUM
Text for tender
The connection between the ventilation system and the plenum boxes shall be done with the use of aluminium flexible ducts, approved according to EN 13180. The Aluminium flexible duct consists of 3 Aluminium-layers os 7 micron, combined with 2 Polyester-layers of 12 micron. The diameter shall be adapted to the air flow.
ATC
Type ALUFLEX AA3
The connection between the ventilation system and the plenum boxes shall be done with the use of aluminium flexible ducts, approved according to EN 13180. The Aluminium flexible duct consists of 3 Aluminium-layers os 7 micron, combined with 2 Polyester-layers of 12 micron. The diameter shall be adapted to the air flow.