What is the difference between common plate flange duct and angle iron flange duct

Common-plate flanged duct, also known as flangeless duct, is faster to make than traditional rectangular ducts. The angle iron flange air duct is made of angle iron for the flange of the galvanized steel plate air duct, which is a kind of air duct connection. There are two types of galvanized steel ducts for ventilation projects: flanged and non-flanged. And generally, large air ducts have flanges, and small air ducts cannot. The use of galvanized steel air ducts has the following advantages: 1. Good fire resistance is also one of the reasons why galvanized air ducts are widely used in engineering. 2. The products are mostly used for the consumption of large shopping malls, office buildings, subway stations, large supermarkets, and modern factories. People's requirements for the quality of life and the environment are also getting higher and higher. When building buildings and some factories, they will consider whether the ventilation system is not Good, and some plants in the home also need good ventilation to ensure the vigorous growth of the plants. 3. Galvanized air duct has smooth inner wall, small resistance, small ventilation loss, lower energy consumption, save operating cost, good air tightness and airtightness, and high compressive strength. 4. The galvanized air duct is simple to install, easy to make on site, and closely cooperates with civil engineering, which can be suitable for very complex purification and ventilation projects. Shanghai Jiutian Automation Equipment Co., Ltd

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