Double Wall Insulated Ducting
Double wall duct is manufactured completely assembled with tdc corners installed.
Double wall insulated ducting. Thermal double wall duct for temperature control. 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. Outer wall options of stainless or paintable aluminized steel. Factory built for high quality durability and long life.
Double wall exhaust systems insulated exhaust systems made of stainless steel. Double wall duct is fabricated with either snap lock or pittsburgh longitudinal seams. 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. Overall interior insulation duct liners perform well in terms of thermal efficiency and noise reduction.
Biyang double wall spiral duct is made of big spiral duct outside insulation in the middle and small spiral duct inside. Stainless steel inner wall construction for superior strength over traditional materials used. Dual wall also called double wall insulated spiral pipe. It is a kind of metal duct designed and produced to offer an excellent acoustical and thermal function for hvac ductwork applications.
Straight double wall duct comes standard with stiffening beads. Biyang double wall spiral duct is also named dual wall spiral pipe double wall round duct and double wall insulated duct. Double wall insulated round ducts. Sealant is available in the seams upon request.
Models ps and ips are double wall modular prefabricated venting systems features benefits. When a perforated inner liner is specified a retaining fabric must be wrapped between the perforated inner and the glass fiber insulation. Spiral manufacturing offers standard solutions but we have the flexibility to meet your special needs. Where ducts are exposed to view insulation is concealed for a more.
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. This provides some additional characteristic to the duct as well as allowing a few more 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. 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 duct and fittings mcgill airflow corporation s double wall insulated duct and fittings pro vide exceptional noise and thermal control in air handling systems. Grease duct systems for commercial kitchen s cooking areas.