Double Wall Insulated Spiral Duct

Duct direct 8610 wallisville rd.

Double wall insulated spiral duct.

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. Gasketed up to 36 flanged or spiralmate by ductmate industries connections are also available. 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. Dual wall also called double wall insulated spiral pipe.

Standard connections are slip fit with couplings. Houston texas 77029 phone. It is shipped from the factory with the insulation pre installed reducing job site labor costs. Double wall spiral ducts are as the name suggests comprised of two walls.

713 672 0509 toll free 877 774 duct 3828. 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 insulated spiral is available with solid or perforated liners. 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.

Next there s the second inner spiral duct. Doublewall spiral pipe catalog specs. The insulation in our double wall spiral and fittings has both acoustical and thermal benefits. Double wall round spiral duct and fittings are one part of our complete line of hvac products.

Zen s 1 inch insulation has a thermal conductance of 0 27 btu hr x sq. 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. 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. First there is the larger duct that s visible to everyone. Doublewall spiral pipe and fittings for commercial and industrial hvac ductwork. Mylar barrier is available as a barrier between perforated liner and insulation.