Double Wall Insulated Spiral Duct

Mylar barrier is available as a barrier between perforated liner and insulation.

Double wall insulated spiral duct.

Doublewall spiral pipe and fittings for commercial and industrial hvac ductwork. Zen s 1 inch insulation has a thermal conductance of 0 27 btu hr x sq. Biyang double wall spiral duct is also named dual wall spiral pipe double wall round duct and double wall insulated duct. Gasketed up to 36 flanged or spiralmate by ductmate industries connections are also available.

Dual wall also called double wall insulated spiral pipe. Duct direct 8610 wallisville rd. It is shipped from the factory with the insulation pre installed reducing job site labor costs. Houston texas 77029 phone.

These two components help ensure a more consistent airflow temperature during delivery. Double wall pipe and fittings with e z flange and barrel clamp or standard slip connection sheet metal connectors inc. Double wall spiral ducts are as the name suggests comprised of two walls. 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.

Double wall round spiral duct and fittings are one part of our complete line of hvac products. 713 672 0509 toll free 877 774 duct 3828. The insulation in our double wall spiral and fittings has both acoustical and thermal benefits. First there is the larger duct that s visible to everyone.

Thermaduct s inspiral r and floval duct systems are preinsulated spiral and flat oval double wall ductwork alternatives that offer significant weight savings and near zero air leakage. Double wall duct and fittings can reduce radiated noise by 25 db or more compared with fiberglass duct board and by 30 db or more com pared with insulated flexible duct. Standard connections are slip fit with couplings. Our double wall duct and fittings also control radiated noise better than similar sizes and shapes of externally insulated sheet metal duct.

Double wall insulated spiral is available with solid or perforated liners. It can reduce radiated noise by 25 db or more compared to fiberglass duct board. Dual wall insulated spiral pipe consists of two concentric spiral pipes with insulation filling the space between the pipes. It is a kind of metal duct designed and produced to offer an excellent acoustical and thermal function for hvac ductwork applications.