Double Wall Insulated Ducting

Biyang double wall spiral duct is made of big spiral duct outside insulation in the middle and small spiral duct inside.

Double wall insulated ducting.

Double wall construction allows you to contain the insulation media between an inner and outer metal shell. Double wall duct is fabricated with either snap lock or pittsburgh longitudinal seams. Outer wall options of stainless or paintable aluminized steel. Double wall insulated round ducts.

Models ps and ips are double wall modular prefabricated venting systems features benefits. Factory built for high quality durability and long life. Where ducts are exposed to view insulation is concealed for a more. When a perforated inner liner is specified a retaining fabric must be wrapped between the perforated inner and the glass fiber insulation.

Thermal double wall duct for temperature control. Double wall exhaust systems insulated exhaust systems made of stainless steel. 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. Grease duct systems for commercial kitchen s cooking areas.

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. Overall interior insulation duct liners perform well in terms of thermal efficiency and noise reduction. Straight double wall duct comes standard with stiffening beads. It is a kind of metal duct designed and produced to offer an excellent acoustical and thermal function for hvac ductwork applications.

The insulation is protected from external damage a critical concern for ductwork on rooftops and out of the building envelope. Stainless steel inner wall construction for superior strength over traditional materials used. 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. Double wall duct is manufactured completely assembled with tdc corners installed.

Sealant is available in the seams upon request. 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. 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.

Conical kl silicone and gasket free joining push fit systems. Dual wall also called double wall insulated spiral pipe.