Galvanized Air Duct Pipe
2. Oiled with PVC coating
3. Varnished / painted in black or red or other color
4. Anti corrosive coating: 3PE/ 3PP /FBE / EpOXY

One-stop Factory in China
Galvanized Air Duct Pipe is a ventilation duct made of high-quality round steel pipe as the base material, which is processed by precise cold processing and hot-dip galvanizing. It is composed of high-strength steel and a uniform galvanized layer, which ensures the structural stability and corrosion resistance of the air duct and is widely used in many fields such as construction, industry, and agriculture.
Products Information
|
Product name |
Galvanized air duct pipe |
|
Brand Name |
KUNYU |
|
Type |
Round Steel Pipe |
|
Application |
Fluid Pipe, Boiler Pipe, Drill Pipe, Hydraulic Pipe, Gas Pipe, OIL PIPE, Chemical Fertilizer Pipe, Structure Pipe, Other |
|
Alloy Or Not |
Non-Alloy |
|
Tolerance |
±1% |
|
Processing Service |
Pickling, Hot dipping, Drawing, Cold-drawing |
|
Grade |
Q235, Q345, Q195, Q215, St37, St42 |
|
Delivery Time |
7-14 days |
|
Special Pipe |
API Pipe, EMT Pipe, Thick Wall Pipe, Other |
|
Technique |
Cold Rolled Hot Rolled Galvanized |
|
Packing |
According to customer requirements |
Our advantages
Tianjin Kun Yu JuyixiangTechnology co., Ltd.

Excellent corrosion resistance
The surface of the galvanized air duct has a uniform galvanized layer, which can isolate the steel pipe from direct contact with oxygen and moisture in the air, thereby preventing the steel pipe from rusting and corrosion. The thickness of the galvanized layer can reach 20-30μm, which can resist corrosion for more than 1000 hours, which is much higher than the corrosion resistance time of ordinary steel.

Stable structural stability
Galvanized air ducts are made of high-strength steel such as Q235 and Q345, with a tensile strength of 400-500MPa and a yield strength of 235-345MPa. This high-strength steel enables the air duct to maintain structural stability and integrity when subjected to external forces such as wind pressure and load.

Excellent sealing performance
Galvanized air ducts are connected by a flange or spiral bite to ensure that the pipeline system has good sealing performance and leakage rate is usually less than 0.5%. This can not only effectively prevent air leakage, but also reduce noise transmission and improve the performance of the entire ventilation system.
Surface treatment
Hot-dip galvanizing and pre-galvanizing
Hot-dip galvanizing is to immerse the air duct in molten zinc to form a uniform and dense galvanized layer, providing excellent corrosion resistance.Pre-galvanizing is galvanizing the steel before the air duct is manufactured to ensure that the entire inner and outer surfaces of the air duct are protected by galvanizing.
01
PVC coating
PVC coating not only increases the aesthetics of the air duct but also provides additional corrosion and wear resistance, and is suitable for humid or corrosive environments.
02
Varnish or paint treatment
You can choose black, red, or other colors of varnish for painting, or directly paint the air duct black to meet specific design or aesthetic requirements.
03
Anti-corrosion coating
A variety of anti-corrosion coating options are available, such as 3PE (three-layerpolyethylene), 3PP (three-layer polypropylene), FBE (fusion-bonded epoxy powder) and EpOXY (epoxyresin), which are suitable for anti-corrosion protection in extreme or special environments.
04
Tube end form
Bevel end
The bevel design facilitates sealing and fixing when connecting the air duct, reducing the risk of air leakage.
Threaded end
Through threaded connection, the air duct can be tightly connected, which is suitable for occasions requiring high sealing.
Grooved end
The grooved end design facilitates the use of quick connectors such as clamps to improve installation efficiency.
Flat end
A flat-end air duct is suitable for various connection methods such as welding and flange connection, with high flexibility.
applications

Building and
Construction Materials
Galvanized air duct pipe is a structural component in buildings that supports efficient air distribution in HVAC systems.

Scaffolding
These ducts are temporary support structures that allow safe access and work in tall buildings and other structures.

Greenhouse Construction
Galvanized air duct pipes support greenhouse structures allow for efficient air and water circulation, and are essential in agricultural settings.

Fluid Transfer
Suitable for low-pressure transfer of water, gas, and oil, these pipes ensure safe and efficient fluid distribution.

About Us
Tianjin KunYu Technology Co., Ltd., located in Beichen District, Tianjin, China, is a production and trading integrated enterprise, focusing on the field of steel materials. Since its establishment, with an excellent team, advanced production facilities, and diversified products, the steel industry has emerged and established a good reputation. Our steel plant covers an area of 150,000 square meters, with spacious production workshops and advanced storage facilities. The plant covers an area of 128 employees, and builds a well-structured, professional and complementary team structure.
In terms of products, the company's main products include steel pipe, steel plate, carbon steel, galvanized steel, stainless steel, aluminum steel and shaped steel, etc. At the same time, the company can meet customers' customized needs for products. Our products have passed the lSO9001 internationally renowned certification, so that customers can buy with confidence. in terms of sales, our products are exported to Africa, Europe, the United States and many other countries and regions. Committed to product quality, price rationality, or after-sales service to make all consumers satisfied. If you are interested in our products, please contact us!


Packaging & Delivery

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