Spiral Pipe (6″-24″) - Air Handling Systems  

Spiral duct and fittings along with flexible hoses Constitute complete piping system.  Spiral duct is commonly used in dust collection as well as other applications such as industrial ventilation, spray booth stacking, welding booths, paper trim, pharmaceutical clean rooms, etc. It can be also distinguished according to the material from which it’s made, e.g. rigid spiral pipe is usually made of galvanized steel sheet; flexible ducts often made of aluminium, polyester foil, etc. By far the most popular ductwork types used for both residential and industrial ventilation systems are rigid spiral ducting and rectangular ducting. 1, the use of raw materials are galvanized steel; 2, strong noise reduction effect, reduce energy consumption, save operating costs, high strength, good sealing performance, beautiful appearance, simple installation, long service life; 3. Used for air supply, exhaust and smoke exhaust pipes of ships, shopping malls, office buildings, subway, civil air defen…