Double Wall Spiral Duct

Dual wall insulated spiral pipe consists of two concentric spiral pipes with insulation filling the space between the pipes.

Double wall spiral duct.

Acoustical double wall for noise control thermal double wall duct for temperature control smc double wall round spiral pipe and fittings are manufactured with an e z flange with barrel clamp e z flange jr. First there is the larger duct that s visible to everyone. Poly vinyl coated copper paint grip stainless 304 aluminized steel galvanized g60. Double wall pipe and fittings with e z flange and barrel clamp or standard slip connection sheet metal connectors inc.

It is shipped from the factory with the insulation pre installed reducing job site labor costs. Houston texas 77029 phone. 713 672 0509 toll free 877 774 duct 3828. Next there s the second inner spiral duct.

Double wall round spiral duct has two different types of applications. Double wall round spiral duct and fittings are one part of our complete line of hvac products. Dual wall also called double wall insulated spiral pipe. With barrel clamp or standard slip construction.

Doublewall spiral pipe catalog specs. These two components help ensure a more consistent airflow temperature during delivery. All spiral duct 8 diameter and larger shall incorporate multiple corrugations between spiral seams. All sizes shall be listed using inside dimensions.

Our standard double wall duct and fittings have galvanized sheet metal outer walls and a layer of fiberglass insulation surrounding the inner liner. Which is the best material for making double wall spiral duct. Double wall flat oval duct is available in spiral lockseam and longitudinal seam con structions. Inner and outer duct will be of spiral lockseam construction.

Double wall ductwork and fittings duct is of spiral lock seam construction with a mechanically formed seam locking indentation evenly spaced along the spiral seam.