Double Wall Insulated Ducting

They are constructed of a solid sheet met al outer pressure shell and a sheet metal inner liner with a layer of insu lation sandwiched between.

Double wall insulated ducting.

Double wall duct is fabricated with either snap lock or pittsburgh longitudinal seams. Biyang double wall spiral duct is also named dual wall spiral pipe double wall round duct and double wall insulated duct. Spiral manufacturing offers standard solutions but we have the flexibility to meet your special needs. Double wall construction allows you to contain the insulation media between an inner and outer metal shell.

It is a kind of metal duct designed and produced to offer an excellent acoustical and thermal function for hvac ductwork applications. When a perforated inner liner is specified a retaining fabric must be wrapped between the perforated inner and the glass fiber insulation. 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. Conical kl silicone and gasket free joining push fit systems.

Grease duct systems for commercial kitchen s cooking areas. Straight double wall duct comes standard with stiffening beads. Stainless steel inner wall construction for superior strength over traditional materials used. Double wall exhaust systems insulated exhaust systems made of stainless steel.

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. Double wall insulated duct and fittings mcgill airflow corporation s double wall insulated duct and fittings pro vide exceptional noise and thermal control in air handling systems. Dual wall also called double wall insulated spiral pipe. Factory built for high quality durability and long life.

Thermal double wall duct for temperature control. Outer wall options of stainless or paintable aluminized steel. This provides some additional characteristic to the duct as well as allowing a few more insulation. Sealant is available in the seams upon request.

Biyang double wall spiral duct is made of big spiral duct outside insulation in the middle and small spiral duct inside. 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. The insulation is protected from external damage a critical concern for ductwork on rooftops and out of the building envelope. Double wall duct is manufactured completely assembled with tdc corners installed.

Double wall rectangular ducts utilize the same outer metal shell and insulation media as our internally lined rectangular ducts but have an additional metal inner shell between the insulation and the airstream. Models ps and ips are double wall modular prefabricated venting systems features benefits.