Double Wall Insulated Round Duct

Double wall round duct mcgill airflow s double wall round duct is fabricated to exacting tolerances that make it easy to assemble and essentially leak free.

Double wall insulated round duct.

Smc double wall round spiral duct is a dependable erosion resistant alternative to lined round spiral duct providing improved protection for insulation exposed to the airstream. Dual wall also called double wall insulated spiral pipe dual wall insulated spiral pipe consists of two concentric spiral pipes with insulation filling the space between the pipes. Three standard types of double wall. Double wall duct and fittings will consist of a perforated or solid inner liner 1 thick x 1 0 lb ft layer of glass fiber insulation and a solid outer pressure shell.

It is a kind of metal duct designed and produced to offer an excellent acoustical and thermal function for hvac ductwork applications. It is shipped from the factory with the insulation pre installed reducing job site labor costs. In double wall round spiral duct a metal inner liner insures that high airflow velocities cannot separate insulation by pulling away from the duct s outer wall and creating erosion or airflow problems. Biyang double wall spiral duct is also named dual wall spiral pipe double wall round duct and double wall insulated duct.