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Flexible Aluminium Ducting Hose

Flexible Aluminium Ducting Hose.PDF

 

A flexible aluminium ducting hose of corrugate construction with triple locking seam. It is available either uninsulated or factory insulated with fiberglass and sheathed with an outer aluminium vapour barrier reinforced with fiberglass scrim.

 

  • Extremely lightweight in construction

  • Non-combustible; Highly pliable and easy to install

  • Maintains its full diameter on small bends

  • Can be easily cut and joined

  • Uninsulated can be compressed to 40% of its extended length for economical storage and easy handling

 

APPLICATIONS

Recommended for use in medium and low, positive and negative pressure HVAC system whereby a metallic, non-combustible internal surface is required. It is a particularly cost effective duct for use negative pressure ventilation system in commercial and domestic kitchen exhaust

Flexible Aluminium Duct Hose

SIZE

  • Diameter

    • Nominal diameters from 100mm to 250mm in 25mm increments and 250mm to 500mm in 50mm increments.

  • Length

    • ​6 meters + 1% for 100-250mm diameter.

    • 3 meters + 1% for 300-500mm diameter

TEMPERATURE LIMITS

  • Uninsulated

    • 250°C maximum on inernal & external surfaces.

  • Insulated

    • 130°C maximum on internal surface. 

    • 80°c maximum on external surface.

AIR VELOCITY

Rated velocity - 30 m/sec maximun.

FIRE RESISTANCE

  • In its uninsulated form, Ventflex is wholly metallic and non-combustible.

  • Insulated Ventflex is fire resistant. It complies withthe requirements of BS476 Parts, 5, 6 & 7 (equivalent to UL 181, NFPA 90A and 90B).

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