The advantage of spiral air ducts

The installation of spiral air ducts significantly reduces the connection points between pipes, minimizing leakage at the junction of pipe fittings

Due to the susceptibility of iron sheets to chemical reactions in various environments, corrosion and rusting can occur. And zinc hardly changes in dry air. In humid air, a dense alkaline zinc carbonate film is formed on the surface of zinc. Spiral air ducts are mainly coated with a layer of zinc on the iron sheet of the air duct to provide protection. After passivation treatment, dyeing, or coating with protective agents, the protective and decorative properties of zinc coatings can be significantly improved.

1. Smooth appearance, without zinc nodules or burrs, appearing silver white;

2. Easy installation with few connection points;

3. Low ventilation resistance and low ventilation noise;

4. Good strength and rigidity;

5. The thickness is controllable, ranging from 5-107um;

6. No Hydrogen embrittlement, no temperature hazard, can ensure that the mechanical properties of the material remain unchanged;

7. Can replace some processes that require hot-dip galvanizing;

8. Good corrosion resistance, neutral salt spray test for 240 hours;

9. Completed by hot-dip galvanizing method, suitable for various strong corrosive environments such as strong acid, alkali mist, etc;

10. We can design and customize various specifications of air ducts according to customer requirements.