Double Wall Spiral Duct Dimensions

Roll formed continuous interlocked pipe.

Double wall spiral duct dimensions.

Gauge schedule size dia. 713 672 0509 toll free 877 774 duct 3828. Air distribution corporation spiral duct and fittings are manufactured in accordance with applicable smacna ashrae and spida standards. Uni gasket fittings are compatible and available with all of mcgill airflow s round double wall duct types in 1 inch increments for 5 through 12 inch diameters outer shells and in 2 inch increments in 14 through 24 inch outer shell diameters.

Duct direct 8610 wallisville rd. Biyang double wall spiral duct is made of big spiral duct outside insulation in the middle and small spiral duct inside. Paint grip minimum gauges for spiral pipe construction. 1 2 and 3 insulation thicknesses are available.

Mylar barrier is available as a barrier between perforated liner and insulation. Wonderflanges can be used on 1 2 3 or 4 double wall spiral pipe and fittings. Dual wall double wall insulated spiral is available with solid or perforated liners. Dual wall duct is also available in 2 3 and 4 thickness.

X 2 inches for inner liner minor axis dimensions greater than 7 inches double wall duct and fittings can be ordered with van stone or applied connectors installed on the outer shell. Galvanized and ss are available. 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. Mild steel is the standard material.

Fittings 3 12 26 14 24 24 26 36 22 38 48 20. The outer wall performs as the pressure shell and will be constructed and sealed for the appropriate pressure class. Dual wall duct sizes are listed using the inside diameter. Surface burning characteristics are.

For these cases the inner liner does not project beyond the outer shell x 0 inches and a slip fit. Spiral double wall duct size pipe outer wall size inner wall positive pressure to 10 w g. K value is 0 27. This insulation has thermal conductivity of 0 26 btu in hr.

E z flange with barrel clamp 26 to 96 diameter. It is a kind of metal duct designed and produced to offer an excellent acoustical and thermal function for hvac ductwork applications. Houston texas 77029 phone. Flame spread 25 and smoke developed 50.

Biyang double wall spiral duct is also named dual wall spiral pipe double wall round duct and double wall insulated duct.