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6 inch Insulated flexible duct low cost insulated aluminum foil flexible duct for HVAC

Categories Insulated flexible duct
Brand Name: DEC
Model Number: DEC-IA
Certification: ISO9001:2015
Place of Origin: CHINA
MOQ: 1000 meter
Price: USD0.5-1.5/meter
Payment Terms: Western Union, T/T, MoneyGram, L/C
Supply Ability: 2000 meter /day
Delivery Time: 7 days after receiving your payments
Packaging Details: Those insulated flexible can be compressed into a carton box for shipping
Product: Insulated flexible duct
Diameter: 52mm~610mm
Fire resistance: Difficult to ignite
Air flow: 30m/s
work pressure: 2500Pa
Length: 10 meter,can custom made
Usage: Air conditioning air duct
  • Product Details
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6 inch Insulated flexible duct low cost insulated aluminum foil flexible duct for HVAC

6 inch Insulated flexible duct low cost insulated aluminum foil flexible duct for HVAC



Length can custom made

standard length is 10 meter

Insulated flexible duct

DEC insulated Flexible Duct can be installed quickly and easily, delivering the air quietly with a sound absorbing inner core. The inner core is made of a double lamination of foil laminate and clear polyester film which is interlaced with a galvanised steel wire (.041) having a 3/4” pitch.

The core is wrapped with fibreglass insulation certified “GREENGUARD” having a coefficient of R4.2/R8.4 and is encapsulated by a metalized vapour barrier reinforced with fibreglass string.

flexible duct Specification

1.Temperature range: -30℃ to +150℃
2.Operating pressure: Max.2500 Pa
3.Opearting air velocity: Max 30m/s
4.Bending radius: Min 0.54*D+25mm
5.Diameter range: 52mm-508mm
6.Standard length: 10m

7.Reaction to fire: Difficult to ignite

8.Packing: Single cardboard box

Product Name6 inch Insulated flexible duct
MaterialAluminum foil duct+insulated material
Carbon Steel Wire Diameter0.9mm-1.3mm
Thickness0.125-0.128mm or 0.132-0.135mm
Fire ResistanceClass A2 (Max)
Temperature Range-30℃/+140℃
Operating Pressure30m/s
Inner Diameter52mm-650mm (2"-25")
PackingCompressed into a carton box
Maximum Air Velocity30m/s
ApplicationHVAC system/Industrial Ventilation/Residential Ventilation/Kitchen Ventilation

DEC Flexible Duct can widely be used in all Air Conditioning or Ventilating Systems including commercial & office buildings, hotels, hospitals and many other industrial and residential applications.

DEC Flexible Ducts apply for a variety of styles and constructions and provide the most economical solution to your air handling needs.

Company Files

By using a full set of automated production line of nerthland Group and its product specifications and manufacturing techniques, manufacture nine major species ventilation flexible ducts, such as Aluminum foil duct,Combined PVC and AL foil duct,Insulated duct and acoustical and thermal ducts applying for ventilating and exhausting systems in high, medium or low pressures, or erosive, high-temperature, heat-insulation environments.

For more than twenty years of development in Asia, now our company focus on supplying high quality flexible ducts to a variety of industries such as building, nuclear energy, military, electron, space transportation, machinery, agriculture, steel refinery in China or overseas market.

Wherever there is gas transportation, there will appear our products. Dec Beijing have already become one of the leaders in domestic construction ventilating and industrial flexible ducts.


1.Are you manufacturer or trade company?

we are flexible duct professional manufacturer.specilized in this field more than 20 years.

2.How could i trust you?

If have time come Guangzhou or Beijing,i am glad to receive you.

3.What product can you provide?

Any flexible air duct.

4.Have you attended exhibition before?

Yes,many,but almost china exhibition.

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