Galvanized Iron (GI) duct insulation is a critical aspect of Heating, Ventilation, and Air Conditioning (HVAC) systems. Insulating GI ducts helps improve energy efficiency, maintain desired air temperatures, reduce noise, and prevent condensation that can lead to corrosion or mold growth.
Typically, insulation materials such as fiberglass, nitrile rubber, or polyurethane foam are used. These materials are either wrapped around the exterior of the ducts or inserted within double-walled ducts. The insulation thickness varies depending on the application—usually between 25mm to 50mm for chilled water and air-conditioning ducts.
Properly installed insulation not only minimizes thermal losses but also contributes to a comfortable indoor environment by reducing temperature fluctuations. Additionally, it plays a vital role in enhancing the overall lifespan of the ductwork by minimizing exposure to moisture and environmental damage.
In summary, GI duct insulation is essential for efficient HVAC operation, cost savings, and long-term durability of the system.
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