Galvanized spiral duct, made of galvanized steel, with lock seal. The diameter of Biyang galvanized spiral air duct varies from 80mm to 2000mm. Compared with most suppliers in China, our galvanized spiral air duct has a smoother and more elegant surface effect, which improves the airflow efficiency. This is because our galvanized spiral ducts are all manufactured by Spiro machines imported from Switzerland. Spiro machines are more durable and less prone to damage. Pipe connections are easily machine sealed. This ensures a steady production of your pipeline. Galvanized spiral air ducts are all sealed and watertight. This ensures that your HVAC system will perform well in all conditions. In addition, Baosteel, Taiyuan Iron and Steel and other large iron and steel enterprises are our long-term material suppliers. Their consistent galvanized steel quality also helps to maintain the quality of our galvanized spiral ducts. Additionally, you will also find that galvanized spiral duct is more cost-effective if you take stainless steel spiral duct into consideration. It is therefore ideal for dust collection, industrial ventilation, large commercial buildings with restaurants, etc.

 Why use galvanized spiral duct?
You should use galvanized spiral duct for the following reasons:

It is more flexible and shrinks and expands more easily.
You can easily connect spiral piping via flange-to-flange or slip joints.
Galvanized steel is a strong and durable material, thus extending the life of your galvanized spiral duct.
The surface effect is elegant and smooth, which improves the airflow efficiency.
It is rust resistant so you can use it in different types of applications.
It has an appealing look and the right aesthetic to let you paint.

What are the main functions of galvanized spiral duct?
You can use galvanized spiral air ducts for different functions, for example:

dust collection in different industries such as the furniture industry,
industrial environments and ventilation ducts in large commercial buildings for
heating purposes, such as providing hot air in different applications
for conveying and removing cold Air conditioning for hot air.