Galvanized spiral air duct
The spiral air duct that is widely circulated in the market is made of galvanized sheet steel. Galvanized sheet spiral air duct is basically a characteristic of stainless steel spiral air duct, but its price is relatively only two-thirds or even lower than that of stainless steel air duct. Composite spiral air ducts are generally used in places with relatively ordinary external environments and low requirements for air ducts. In humid air, a dense alkaline zinc carbonate film is formed on the surface of zinc. Spiral air ducts are mainly coated with a layer of zinc on the iron sheet of the air duct to provide protection.
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Axial fan, industrial exhaust fan, roof fan
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Galvanized spiral air duct
The spiral air duct that is widely circulated in the market is made of galvanized sheet steel. Galvanized sheet spiral air duct is basically a characteristic of stainless steel spiral air duct, but its price is relatively only two-thirds or even lower than that of stainless steel air duct. Composite spiral air ducts are generally used in places with relatively ordinary external environments and low requirements for air ducts. In humid air, a dense alkaline zinc carbonate film is formed on the surface of zinc. Spiral air ducts are mainly coated with a layer of zinc on the iron sheet of the air duct to provide protection.
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