Double Wall Spiral Ductwork

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

Double wall spiral ductwork.

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. These two components help ensure a more consistent airflow temperature during delivery. 713 672 0509 toll free 877 774 duct 3828. 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. Dual wall also called double wall insulated spiral pipe. Double wall round spiral duct and fittings are one part of our complete line of hvac products. Which is the best material for making double wall spiral duct.

Doublewall spiral pipe catalog specs. All spiral duct 8 diameter and larger shall incorporate multiple corrugations between spiral seams. Houston texas 77029 phone. Duct insulation is also critical in reducing hvac system noise.

Double wall construction allows you to contain the insulation media between an inner and outer metal shell. Next there s the second inner spiral duct. Double wall spiral ducts are as the name suggests comprised of two walls. 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. Doublewall spiral pipe and fittings for commercial and industrial hvac ductwork. Spiral pipe gauge we manufacture spiral pipe in 18 20 22 24 gauge galvanized metal. Inner and outer duct will be of spiral lockseam construction.

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. Here are some of the product options for round insulated duct that are available from spiral pipe of texas. It is shipped from the factory with the insulation pre installed reducing job site labor costs. Poly vinyl coated copper paint grip stainless 304 aluminized steel galvanized g60.

Spiral pipe diameter available in 3 inch to 36 inch diameter. 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.