Double Wall Spiral Ductwork

Duct direct 8610 wallisville rd. Spiral pipe gauge we manufacture spiral pipe in 18 20 22 24 gauge galvanized metal. 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.

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Double wall flat oval duct is available in spiral lockseam and longitudinal seam con structions.

Double wall spiral ductwork.

Houston texas 77029 phone. 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. First there is the larger duct that s visible to everyone. 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.

Double wall pipe and fittings with e z flange and barrel clamp or standard slip connection sheet metal connectors inc. Double wall construction allows you to contain the insulation media between an inner and outer metal shell. Double wall spiral ducts are as the name suggests comprised of two walls. Spiral pipe diameter available in 3 inch to 36 inch diameter.

Stronger than other pipe our pipe is up to 20 stronger than smooth pipe systems of the same gauge due to the added spiral reinforcement. Doublewall spiral pipe and fittings for commercial and industrial hvac ductwork. It is shipped from the factory with the insulation pre installed reducing job site labor costs. 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. Double wall round spiral duct and fittings are one part of our complete line of hvac products. Here are some of the product options for round insulated duct that are available from spiral pipe of texas. These two components help ensure a more consistent airflow temperature during delivery.

Next there s the second inner spiral duct. Doublewall spiral pipe catalog specs. Poly vinyl coated copper paint grip stainless 304 aluminized steel galvanized g60. Dual wall also called double wall insulated spiral pipe.

713 672 0509 toll free 877 774 duct 3828. Which is the best material for making double wall spiral duct. Double wall insulated round ducts. Our standard double wall duct and fittings have galvanized sheet metal outer walls and a layer of fiberglass insulation surrounding the inner liner.

All spiral duct 8 diameter and larger shall incorporate multiple corrugations between spiral seams. Duct insulation is also critical in reducing hvac system noise. No painting required will last years outdoors.