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Duct Insulations

The goal is to eliminate heat exchange between the cool air passing inside the ducts and the ambient. Or to eliminate the heat exchange between the chilled water flowing in the pipelines and the ambient.

Duct insulation in an HVAC system is an important task or activity that must be carried out with precision. Cool air passing through the air conditioning ducts must not gain heat from the ambience. Therefore, AC ducts are insulated.

Ductwork in any given HVAC system allows the movement of air from Air handling units, Ductable AC systems, This air must not gain or lose heat as it passes through the ducts. Therefore, insulation work is carried on ducts. This insulation can either be provided on the inner or outer surface of the duct. In most cases.

Fiberglass Insulation with Aluminums Foil

Fiberglass is the most common insulation material for HVAC ducts. Flexible ducts are always insulated by fiberglass material. Fiberglass insulations have a layer of shiny aluminum foil on the outer surface to hold the fiberglass material together.

Rockwool Insulation with Perforated Metal Sheet

Rockwool or stone wool is a common sound-insulating material installed on the internal surface of large air conditioning ducts to absorb noise from the supply air outlet of AHUs and FCUs respectively.

Nitrile Rubber Insulation for AC Ducts

It is a nitrile rubber insulation for AC ducts. It is a closed cell nitrile rubber insulation that offers low thermal conductivity and therefore is ideal for usage in AC ducts and chilled water pipes, and for Air Handling Units. The product comes in the form of 1000 to 1200 mm wide sheets with various Thickness.
Closed cell nitrile rubber insulation and therefore the product provides excellent insulation properties to eliminate condensation on ducts and pipes. Since the product provides low thermal conductivity, therefore, no heat exchange takes place resulting in reduction in energy losses. Moisture or (water vapor) diffusion resistance properties of highest grade. Flexible and easy to install as well as easily to transport.

CERAMIC FIBER BLANKETS

Ceramic fiber blanket is manufactured from spun or blown ceramic fiber and is needled to provide handling strength for high-temperature insulation applications. Ceramic fiber blanket insulation is a strong, lightweight, heat-resistant material that can be used in a range of temperatures. It features low thermal conductivity and heat storage, high tensile strength, and sound absorption properties. Ceramic fiber blankets can be used in applications like refining and petrochemical, furnaces, high temperature pipe, duct, and turbine insulation, and more.

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