Huahai Flexible insulation air duct :

Flexible duct are produced from multi layer aluminum strengthened with high tension hard steel spring wire.

Aluminium Insulated & Non-insulated Air Flexible Duct (single and double layer)

the insulation material is Glass fiber cotton or PP cotton.

Dimension:

Diameter      3" to 29"  

Standard length: 10m/pc or as per customers

Fireglass Thinkness: 25mm;
Fireglass Density: 16kg/m3;

Bend radius    1.5*1.D.

compressionratio     1/20

max velocity     5500 FPM

temperature range     -20 F to 250 F

Single layer and double layer Aluminium Insulated & Non-insulated Air Flexible Ducts are specifically produced for low and medium pressure heating,cooling,ventilation,exhaust and air conditioning systems.

Applied field:

1) Cold, hot water supply facilities for public buildings
2) Food, chemical, electronic industrial pipeline networks such as pipeline networks for transporting all kinds of corrosive liquid
3) Drinking water production system pipeline networks such as pure water and mineral water
4) Air conditioning facility pipeline
5) Compressed gas pipeline networks for industry
6) Pipeline network for swimming pool
7) Pipeline network for solar energy facility

The export country:

The products have exported to many countries and areas,such as Iran,Korea,India,Lebanon,Cyprus,

Singapore,USA,Thailand,Myanmar,Canada,Japan,Austrilia,England,Sri lanka,Sierra Leone,Bahrain.

Norway.