With no metal inner shell the product is lighter in weight as much as 30 lighter in many sizes.
Double wall insulated spiral duct cost.
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.
Spiral pipe diameter available in 3 inch to 36 inch diameter.
Biyang double wall spiral duct is made of big spiral duct outside insulation in the middle and small spiral duct inside.
713 672 0509 toll free 877 774 duct 3828.
Duct direct 8610 wallisville rd.
It is a kind of metal duct designed and produced to offer an excellent acoustical and thermal function for hvac ductwork applications.
Spiral pipe gauge we manufacture spiral pipe in 18 20 22 24 gauge galvanized metal.
Spiral pipe of texas single wall insulated duct with spiracoustic plus liner may have some advantages for your project over traditional double wall insulated products.
It is shipped from the factory with the insulation pre installed reducing job site labor costs.
Dual wall also called double wall insulated spiral pipe.
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.
Biyang double wall spiral duct is also named dual wall spiral pipe double wall round duct and double wall insulated duct.
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.
No painting required will last years outdoors.
Double wall duct and fittings can reduce radiated noise by 25 db or more compared with fiberglass duct board and by 30 db or more com pared with insulated flexible duct.
A double walled acoustic insulated spiral duct consists of an external pressure tight metal shell a 12 5 25 50mm thickness of fiber glass mineral wool insulations and an internal perforated protective metal liner and fiber glass tissue between the perforated liner and insulation material.
Houston texas 77029 phone.
From 1992 nme installed cost of insulated medium pressure rectangular duct at 6 88 ft2 versus 6 52 comparative cost for installed double wall round spiral duct 3 35 ft2 installed single wall round spiral x 2 3 double wall mark up x 0 92 ft2 adjustment x 0 92 duct sealing adjustment.