Single Wall Spiral Duct

Standard elbows will have 1 5 centerline radius.

Single wall spiral duct. Nominal diameter gauge 3 26 26 27 42 24 43 66 22 67 80 18. External or blanket insulation for single wall spiral pipe. Standard gauges of galvanized steel with a 4 ply seam. Sheet metal connectors inc.

External blanket type duct insulation consists of a fiberglass mat with a vapor retardant facing foil or paper on one side. Oval sizes 4 to 30 deep minor axis double wall insulation choices include. Single wall spiral pipe for commercial and industrial hvac ductwork. Spiral pipe of texas has been a pioneer in the use of johns manville spiracoustic plus round duct liner system providing some of the largest systems ever produced with outer shell diameters up to 92 φ.

Spiral pipe 3 to 30 diameter in one inch increments. Unfaced fiberglass standard elastomeric fiber free poly armor. The internally lined product incorporates a rigid or semi rigid fiberglass insulation with an epa registered antimicrobial erosion resistant coating on the air side surface. Like our double wall products the outer metal shell is the basis of construction.

Spiral pipe is formed from a coil of metal into a rigid steel tube with a 4 ply spiral lockseam. Other radii and vaned elbows are available as needed. It is installed by the contractor and it is the least expensive insulation option in terms of material cost. Wide range of sizes.

Spiral pipe 32 to 84 diameter in 2 increments. It has smooth interior for low friction loss with the grooved seam entirely on the outside. To find tolerances e dimensions and gauges click here. External or blanket insulation for single wall spiral pipe external blanket type insulation often called duct wrap consists of fiberglass mat with a thin vapor barrier foil or plastic on one side.

Single wall insulated round ducts. The contractor installs it on site and it is the least expensive insulation method in terms of material costs. Click on the album below for product listing and spec sheets. Mat faced fiberglass duct liner.

Single wall all round spiral duct and fittings shall be manufactured from g 90 galvanized steel conforming to astm and smacna standards. Linx nongasketed single wall duct and fittings linx manufactures non insulated single wall hvac ductwork without self sealing connections as well. Round spiral submittal round single wall duct is constructed of the following minimum. Single wall round duct single wall spiral pipe is formed from a coil of metal into a rigid tube with a 4 ply spiral lockseam.