Manufacturing of flexible air ducts
Flexible air ducts are becoming more and more widespread today. One of the reasons for this is the wide range of applications. Flexible air ducts are successfully used in civil and industrial construction, in energy, trade, and the pharmaceutical industry. Flexible air ducts are a “sleeve” equipped with stiffening ribs. It is thanks to them that soft pipes do not bend under their own weight and retain their original shape.
Characteristics of flexible air ducts
When ordering flexible ventilation ducts, you should pay attention to the following characteristics:
- Diameter
- Presence/absence of insulation
- Withstandable temperature and pressure
- Length both in expanded and compressed states.
The above characteristics are the main ones. There are also additional characteristics – the number of layers, fire resistance (class), hydraulic resistance coefficient, air flow rate, wire thickness. Usually the wire thickness is 0.8-1.7 mm, the diameter is 20 mm and more, the hydraulic resistance coefficient is 0.05.
Flexible Corrugated Air Ducts: Pros and Cons
Flexible air ducts, like any other, have their advantages and disadvantages.
Pros:
1
Durability Ventilation ducts are resistant to temperature changes and aggressive environments – they are capable of serving without interruption for quite a long time.
2
Easy to install. The design features and light weight make installation much easier. Flexible air ducts can be bent at any angle. Fixation is carried out by means of loops and clamps.
3
Versatility. A large selection of diameters allows you to easily implement projects of any complexity, and the wide range of applications does not limit the process of their implementation.
4
Low noise. Soft materials completely eliminate the occurrence of noise and vibration during operation of the ventilation system.
5
Affordable price. Flexible air ducts (compared to metal ones) are much cheaper, but the performance characteristics remain at a high level.
Cons:
1
They don’t fit for powerful ventilation systems. High aerodynamic resistance helps reduce the air flow speed and increase the load on the pipe walls.
2
Temperature limitation (no more than 100℃) excludes the admissibility of using such air ducts in hot shops.
3
Tendency to deformation. If the installation technology is violated, the flexible air duct may become deformed. It is necessary to be extremely careful during the installation process and remember that such products with a length of more than 5 meters cannot be installed vertically.
As for the materials, flexible air ducts are made of aluminum foil, polyvinyl chloride, polyester metallized tape, polyester, polyurethane. Flexible inserts, couplings, branch pipes (crosses and tees) and clamps are most often used to connect corrugated air ducts together. In addition to the above, transition or connecting pipes, as well as rotary rings, may be required. If you want to order high-quality flexible air ducts at the lowest price in Tashkent, then contact us! We are ready to offer you a wide range of corrugated insulated and non-insulated air ducts with delivery throughout Uzbekistan!
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