Single Wall Spiral Duct

Spiral pipe 32 to 84 diameter in 2 increments.

Single wall spiral duct. Round spiral submittal round single wall duct is constructed of the following minimum. Spiral pipe 3 to 30 diameter in one inch increments. Spiral pipe is formed from a coil of metal into a rigid steel tube with a 4 ply spiral lockseam. External or blanket insulation for single wall spiral pipe.

The contractor installs it on site and it is the least expensive insulation method in terms of material costs. Single wall spiral pipe for commercial and industrial hvac ductwork. Standard gauges of galvanized steel with a 4 ply seam. Wide range of sizes.

Click on the album below for product listing and spec sheets. It is installed by the contractor and it is the least expensive insulation option in terms of material cost. Mcgill airflow corporation has a complete line of single wall and single wall lined round duct and fittings. Single wall insulated round ducts.

Single wall all round spiral duct and fittings shall be manufactured from g 90 galvanized steel conforming to astm and smacna standards. Sheet metal connectors inc. Linx nongasketed single wall duct and fittings linx manufactures non insulated single wall hvac ductwork without self sealing connections as well. It has smooth interior for low friction loss with the grooved seam entirely on the outside.

This pipe has a resistance to crushing approximately 2 1 2 times that of longitudinal lockseam or welded pipe. 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. 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. Like our double wall products the outer metal shell is the basis of construction.

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. External blanket type duct insulation consists of a fiberglass mat with a vapor retardant facing foil or paper on one side. Standard elbows will have 1 5 centerline radius. 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.

To find tolerances e dimensions and gauges click here. It has a smooth interior for low friction loss with the grooved seam entirely on the outside. Other radii and vaned elbows are available as needed. Oval sizes 4 to 30 deep minor axis double wall insulation choices include.