Roll-shear spiral duct machine is classified according to material
Dec 23, 2021
1. According to the material, the rolling shear spiral duct machine can be divided into: metal duct and non-metal duct.
Among them: (1) Metal ducts can be divided into steel ducts, aluminum ducts, stainless steel ducts, etc.
(2) Non-metallic roll-shear spiral duct machine can be divided into: hard polyvinyl chloride duct, organic glass duct, inorganic glass duct, glass fiber reinforced plastic duct and other composite ducts, etc.
2. According to the shape of the roll-shear spiral duct machine, it can be divided into: round duct and rectangular duct.
3. According to the working pressure of the ventilation and air-conditioning system, it can be divided into three categories: high-pressure air duct, medium-pressure air duct, and low-pressure air duct.
