Double Wall Spiral Duct

Doublewall spiral pipe catalog specs.

Double wall spiral duct.

First there is the larger duct that s visible to everyone. All spiral duct 8 diameter and larger shall incorporate multiple corrugations between spiral seams. Double wall round spiral duct has two different types of applications. Inner and outer duct will be of spiral lockseam construction.

Dual wall insulated spiral pipe consists of two concentric spiral pipes with insulation filling the space between the pipes. Doublewall spiral pipe and fittings for commercial and industrial hvac ductwork. Our standard double wall duct and fittings have galvanized sheet metal outer walls and a layer of fiberglass insulation surrounding the inner liner. Duct direct 8610 wallisville rd.

Next there s the second inner spiral duct. Poly vinyl coated copper paint grip stainless 304 aluminized steel galvanized g60. All sizes shall be listed using inside dimensions. Which is the best material for making double wall spiral duct.

Dual wall also called double wall insulated spiral pipe. Double wall pipe and fittings with e z flange and barrel clamp or standard slip connection sheet metal connectors inc. Houston texas 77029 phone. 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.

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. These two components help ensure a more consistent airflow temperature during delivery. With barrel clamp or standard slip construction. Double wall flat oval duct is available in spiral lockseam and longitudinal seam con structions.

Double wall spiral ducts are as the name suggests comprised of two walls.