Double Wall Insulated Spiral Duct

1 2 and 3 insulation thicknesses are available.

Double wall insulated spiral duct.

It can reduce radiated noise by 25 db or more compared to fiberglass duct board. Double wall spiral ducts are as the name suggests comprised of two walls. Zen s 1 inch insulation has a thermal conductance of 0 27 btu hr x sq. Dual wall insulated spiral pipe consists of two concentric spiral pipes with insulation filling the space between the pipes.

The insulation in our double wall spiral and fittings has both acoustical and thermal benefits. Biyang double wall spiral duct is also named dual wall spiral pipe double wall round duct and double wall insulated duct. 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. 713 672 0509 toll free 877 774 duct 3828.

First there is the larger duct that s visible to everyone. Dual wall also called double wall insulated spiral pipe. We make double wall flat oval duct with outer shell dimensions ranging from 13 x 5 to 124 x 36. 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.

Doublewall spiral pipe and fittings for commercial and industrial hvac ductwork. K value is 0 27. Double wall round spiral duct and fittings are one part of our complete line of hvac products. Duct direct 8610 wallisville rd.

It is shipped from the factory with the insulation pre installed reducing job site labor costs. We make 516 spiral flat oval duct sizes that can be used for double wall construction excluding only the 3 and 4 minor axis duct sizes. Double wall pipe and fittings with e z flange and barrel clamp or standard slip connection sheet metal connectors inc. The outer metal shell of straight duct may be spiral flat oval lock seam duct or longitudinal seam welded duct.

It is a kind of metal duct designed and produced to offer an excellent acoustical and thermal function for hvac ductwork applications. Houston texas 77029 phone. Biyang double wall spiral duct is made of big spiral duct outside insulation in the middle and small spiral duct inside. Mylar barrier is available as a barrier between perforated liner and insulation.

A traditional spiral duct system may be more efficient than the average rectangular duct but double wall spiral ducts offer even more efficiency in terms of energy costs.