The air duct mainly refers to the ventilation duct of the central air-conditioning system. It is often overlooked, but it is an important part of the air-conditioning system. At present, there are mainly 4 types of common air ducts - 1. Galvanized sheet steel air duct; 2. Inorganic glass fiber reinforced plastic Air duct; 3. Composite glass fiber board air duct; 4. Fiber fabric air duct. Galvanized sheet steel air duct: one of the earliest used air ducts, made of galvanized sheet steel, suitable for the transportation of general gas with low moisture content, easy to rust, no heat preservation and noise reduction functions, long production and installation cycle specialty. Inorganic glass fiber reinforced plastic air duct: a newer type of air duct, made of glass fiber reinforced inorganic material, non-flammable in case of fire, corrosion-resistant, heavy in weight, high in hardness but brittle, easy to deform and crack under the influence of its own weight, no heat preservation and noise reduction performance , the production and installation cycle is long. Composite glass fiber board air duct: the type of air duct in recent years, with centrifugal glass fiber board as the base material, glass fiber cloth inside, moisture-proof aluminum foil cloth outside (the imported plate is coated with heat-sensitive black acrylic polymer inside, and the outer layer is thin grain Cloth/aluminum foil/kraft paper), after compounding and drying with fireproof adhesive, it is made by cutting, slotting, bonding and reinforcement, etc. Appropriate reinforcement measures are adopted according to the cross-sectional size of the air duct and the size of the wind pressure. Fiber fabric air duct: Also known as bag air duct, cloth air duct, fiber fabric air duct, and fiber fabric air distributor, it is the latest type of air duct and a flexible air distribution system woven from special fibers. (Air Dispersion), is a kind of air delivery end system that replaces traditional air supply pipes, dampers, diffusers, thermal insulation materials, etc. It is an outlet air end system that can supply air evenly by the unique air outlet mode of fiber penetration and orifice jets. It has surface air outlet, large air volume, no blowing feeling; the overall air supply is evenly distributed; anti-condensation; easy to clean and maintain, healthy and environmentally friendly; beautiful and high-grade, various colors, and outstanding personalization; light weight, roof load can be ignored; system Quiet operation, improved environmental quality; simple installation, shortened engineering cycle; flexible installation, reusable; comprehensive system cost savings, high cost performance, etc. If you choose a bag air duct, look for Shanghai Jiutian Automation Environmental Technology Co., Ltd.!
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