Polyurethane pre-insulated HVAC duct is an ideal choice for modern HVAC systems, which is highly favored in the construction and engineering fields. The following is a detailed introduction:
Structure and Composition
Inner and Outer Layers: Usually made of aluminum foil, embossed aluminum sheet or pre-painted galvanized iron sheet. These materials provide a smooth surface to reduce air flow resistance, while also protecting the internal insulation layer and having certain corrosion resistance.
Insulation Core: The insulation core is made of polyurethane foam, which has a very low thermal conductivity, typically between 0.020W/(m·K), which can effectively prevent heat transfer and reduce energy loss.
Packing of Polyurethane Pre-insulated HVAC Duct
Polyurethane Pre-insulated HVAC Duct
Regular Size: 3950*1200*20mm/ 2900*1200*20mm
Polyurethane Foam Density: 50kg/m3,
Weight: about 1.3kg/m2
Packing: 10 sheets/ paper carton
Container Loading:
40'HQ Container: 3950/2900*1200*20mm, 10 sheets packed in one carton, total 660sheets (3950mm) / 880sheets(2900mm).
20'GP Container: 2900*1200*20mm, 10 sheets packed in one carton, total 400sheets.
How to make Polyurethane Pre-insulated HVAC Ducts
The fabrication process of Pre-insulated Air Ducts
Key Advantages of Polyurethane Pre-insulated HVAC Duct
Superior Heat Retention: Boasting an ultra-low thermal conductivity of approximately 0.020 W/(m·K), it drastically limits heat transfer between the duct's interior and exterior air-directly cutting down the energy the HVAC system uses to operate.
Lightweight Design: At up to 72% lighter than conventional galvanized iron ducts, it eases the structural load on buildings, simplifies transportation and installation, and lowers labor and setup costs.
Exceptional Air Tightness: Factory-prefabricated duct sections and standardized joining techniques guarantee a tight seal throughout the system. With eight times the airtightness of traditional ducts, it minimizes air leakage and boosts overall HVAC efficiency.
Hygienic & Corrosion-Resistant: Aluminum inner surfaces ensure the duct stays clean and sanitary, while the outer aluminum layer-paired with the insulating core-delivers robust structural rigidity and reliable protection against corrosion, wear, and deformation.
Sound Dampening & Noise Reduction: The duct's aluminum-insulation-aluminum sandwich structure offers excellent acoustic performance. The insulating core absorbs vibrations and reverberations, helping create a quieter indoor environment.
Long-Lasting Durability: Featuring high rigidity and strength, the duct can maintain its performance for over 20 years when installed and maintained properly.
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