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What is the basic method of cleaning the hvac insulated duct board?
The thermal conductivity of the hvac insulated duct board is 0.016~0.036W/mK, while the thermal conductivity of the galvanized steel duct and FRP duct is much larger. In addition, the unique connection method of the hvac insulated duct board ensures the excellent airtightness of the ventilation system, which is close to 8 times that of the galvanized steel plate air duct. Therefore, when cleaning the hvac insulated duct board, it is necessary to observe the internal situation of the air duct.
Determine the cleaning plan→Place two airbags at the two ends of the air duct to be cleaned and open a circular process hole on one side, and connect the hole to the suction port of the trap with a hose→on the other side Put it into the cleaning flexible shaft machine while pushing it to loosen the dust, and the dust will be sucked away by the catcher at the same time. The traditional air supply ducts of central air-conditioning are usually made of iron sheet or glass fiber reinforced plastics in the inner layer, wrapped with thermal insulation material, and wrapped with aluminum foil on the outer surface. This makes the air supply pipe heavy, construction, and installation time-consuming, poor appearance, low air tightness, and energy consumption big.