Aluminium Section
Aluminium sections refer to long strip-shaped materials with specific cross-sectional shapes, which are processed from aluminum alloy billets through processes like hot extrusion and are widely used in HVAC systems.
1.Lightweight and high strength: Aluminium sections have a low density, which makes them lightweight, while their strength can meet the requirements of many applications, reducing the overall weight of the structure without compromising its stability.
2.Corrosion resistance: The surface of aluminium sections can form a dense oxide film, which effectively prevents corrosion from the external environment, ensuring their long-term use in harsh conditions such as humidity and salinity.
3.Good formability: Thanks to the hot extrusion process, aluminium sections can be manufactured into various complex cross-sectional shapes according to different design requirements, meeting the diverse needs of different industries.
4.Easy processing: They can be easily cut, drilled, welded, and assembled, facilitating subsequent processing and installation, improving work efficiency.
Recyclable: Aluminium is a highly recyclable material, and recycling aluminium sections consumes only a small amount of energy compared to primary production, which is in line with the concept of environmental protection and sustainable development.

Aluminium SectionMatrix and Technical Parameters
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Item No. |
Description of Pre Insulated Air Duct Accessories |
Picture |
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AC-A1 |
20mm- Aluminum Invisible Flange (4 meters/ length, 80 meters/ bundle) |
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AC-A2 |
PVC H Bayonet |
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AC-A3 |
20mm- Aluminum F Flange (4 meters/ length, 80 meters/ bundle) |
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AC-A4 |
20mm- Aluminum Chair (h) Flange (4 meters/ length, 80 meters/ bundle) |
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AC-A5 |
20mm- Aluminum U Flange (4 meters/ length, 80 meters/ bundle) |
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Summary
In HVAC systems, aluminium sections fit key links for great properties: lightweight yet strong (air duct frames/brackets, less system weight, easier installation/maintenance, stable); good formability (complex air duct/condenser cross-sections, smooth air flow, better heat exchange); plus corrosion resistance (humidity adaptation, longer life) and easy processing (precise cutting/assembly, higher installation efficiency).
Main Production Process of PIR Foam Pre-insulated Aluminum Duct








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