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Insulated Laminated Aluminium Flexible Ducts ISOFLEX 25

Insulated Laminated Aluminium Flexible Ducts ISOFLEX 25
2-3 Days
Insulated Laminated Aluminium Flexible Ducts ISOFLEX 25

ISOFLEX 25 is a fully thermally insulated duct consisting of an inner duct of the ALUFLEX type and a metalized polyester outer jacket. The pink fiberglass insulation has been developed especially for flexible ducting. They are used in ventilation, air conditioning, and air handling systems where high mechanical strength, temperature resistance, and high thermal insulating qualities are required.

Inner duct of the ALUFLEX type, consisting of 1 layer of 7 μ aluminium and 2 layers of 12 μ polyester each, total thickness without glue: 31 μ


Metalized polyester outer jacket, consisting of 3 layerlaminate of 2 layers of polyester of 12 μ each, and 1 aluminium layer of 7µ. Total thickness without glue: 31 μ

Fiberglass insulation:

- Density: 16 kg/m³

- Thickness: 25 mm

- Thermal resistance: 0,65 K.m²/W

- Thermal conductivity: 0,039 W/m-K

- Color: pink

Wire spacing: a steel spiral spring of different thicknesses and a pitch of 25mm (Ø82m), 36mm (Ø102-560mm)


Temperature range: From - 30°C till + 140°C

Air velocity (max): 20 m/s

Operating pressure: -188 up to 2500 Pa

Center bend radius: 1 x Diameter minimum

Fire resistance: B - s1, d0 according to EN13501-1

As the product does not contain PVC, no toxic vapors are released should fire occur

Produced according EN 13180: Dia Class B, Tightness Class C, Sag<4°, Crushing strength 13-35kg compressed; 2.5kg uncompressed.

Limitations: The ISOFLEX 25 ducts are not suitable for transporting air with a high concentration of acid and base and cannot be used for discharging combustion gases from open fire places and oil-fired boilers.

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  • Stock: 2-3 Days
  • Model: ISOFLEX 25

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