Double Wall Spiral Duct Fittings

Double wall round spiral duct has two different types of applications.

Double wall spiral duct fittings.

All sizes shall be listed using inside dimensions. Double wall pipe and fittings with e z flange and barrel clamp or standard slip connection sheet metal connectors inc. Doublewall spiral pipe and fittings for commercial and industrial hvac ductwork. Round spiral duct fittings.

Welder round duct detail sheet. Double wall spiral available with insulation thicknesses of 2 inches 0 13 btu hr xsq. 713 672 0509 toll free 877 774 duct 3828. Spiral pipe 3 16 26 18 26 24 28 40 22 42 50 20 52 84.

Dual wall pipe and fittings are joined by slip connectors and fitting collars. Doublewall spiral pipe catalog specs. Dual wall duct is also available in 2 3 and 4 thickness. As with single wall spiral pipe dual wall fittings are male and dual wall pipe is female so simple efficient and economical slip joint installation is available to the contractor for many especially light commercial applications.

Single wall round spiral duct and fittings construction standards air distribution corporation air distribution corporation spiral duct and fittings are manufactured in accordance with applicable smacna ashrae and spida standards. Duct direct 8610 wallisville rd. The inner liner connectors are extended to mate the inner liners before the outer shells are mated. Dual wall duct semco dual wall duct and fittings are made with 1 of fiberglass insulation sandwiched between the outer shell and a solid or perforated inner metal liner.

Gauge schedule size dia. 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. Dura flange detail sheet. This insulation has thermal conductivity of 0 26 btu in hr.

Turning vane rail. Double wall round spiral duct and fittings are one part of our complete line of hvac products. Almost all of the fittings available for single wall spiral pipe are available for dual wall spiral pipe giving the designer the same flexibility enjoyed with a single wall system. Rectangular duct double wall insulated.

Houston texas 77029 phone. Biyang double wall spiral duct is also named dual wall spiral pipe double wall round duct and double wall insulated duct. Ft f at 75. Aluminum round duct fittings.

Double wall insulated round duct. X degree fahrenheit and 3 inches 0 09 btu hr x sq.