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BARE FLEXIBLE AIR DUCT

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BARE FLEXIBLE  AIR DUCT
Descripition:

Dwin AIR DUCT is a fully flexible compressible extendable air duct. It is made of 2 ply double facing aluminium polyester foil bonded together by quality adhesive and reinforced with high carbon corrosion-proof spring wire.

     

    PHYSICAL PROPERTIES

    Dwin BARE ALUMINIUM AIR DUCT IS AVAILABLE IN 2 TYPES(SINGLE LAYER DOUBLE LAYER)

    Dwin AIR DUCT SINGLE LAYER is One Ply double facing flexible Aluminium Air Duct.

    Dwin AIR DUCT DOUBLE LAYER is Two Ply double facing flexible Aluminium Air Duct.

    Physical properties

    MODEL

    SINGLE LAYER

    MODEL

    DOUBLE LAYER

    Total Thickness

    35 Micron

    25 Micron

    Inside facing

    POLYSTER ALUMINIUM FOIL

    POLYSTER ALUMINIUM FOIL

    Outside facing

    POLYSTER ALUMINIUM FOIL

    POLYSTER ALUMINIUM FOIL

    Spcing between the spring wires

    25.4mm

     

    25.4mm

     

    % Shrinkage after fully extended

    5% max

    5% max

    Working temperature

    -20℃~+120℃

    (-4~+250

    )

    -20℃~+120℃

    (-4~+250

    )

    Maximum Air pressure

    750mm W.G.

    (30 W.G.)

    500mm W.G.

    (20 W.G.)

    Maximum Air velocity

    30m/s

    (6,000ft/min)

    20m/s

    (4,000ft/min)

     

    Note: Total thickness is approximately calculated from the total thickness of foil and adhesive.

              More thicknees like 7 micron and 5 micron can be customized.


    SIZE AVAILABLE

    Available in various I.D. ranging from 100mm to 600mm(4” to 24”)

    Supplied in standard length of 10 meters each