Dual wall also called double wall insulated spiral pipe.
Double wall insulated spiral duct pricing.
Biyang double wall spiral duct is also named dual wall spiral pipe double wall round duct and double wall insulated duct.
The insulation in our double wall spiral and fittings has both acoustical and thermal benefits.
Spiral pipe gauge we manufacture spiral pipe in 18 20 22 24 gauge galvanized metal.
Biyang double wall spiral duct is made of big spiral duct outside insulation in the middle and small spiral duct inside.
Spiral duct mounted grilles 10 air distribution accessories 11 fire dampers 12 ceiling radiation dampers 13 access doors 14 access panels 15 flexible duct systems 16 flexible duct accessories 17 roof exhaust direct drive 18 19 roof exhaust belt drive 20 22 upblast roof exhaust belt drive 23 24 fan accessories 25.
Our double wall duct and fittings also control radiated noise better than similar sizes and shapes of externally insulated sheet metal duct.
It can reduce radiated noise by 25 db or more compared to fiberglass duct board.
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.
713 672 0509 toll free 877 774 duct 3828.
Spiral pipe diameter available in 3 inch to 36 inch diameter.
Zen s 1 inch insulation has a thermal conductance of 0 27 btu hr x sq.
Houston texas 77029 phone.
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.
Double wall pipe and fittings with e z flange and barrel clamp or standard slip connection sheet metal connectors inc.
It is a kind of metal duct designed and produced to offer an excellent acoustical and thermal function for hvac ductwork applications.
Here are some of the product options for round insulated duct that are available from spiral pipe of texas.
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.
Dual wall insulated spiral pipe consists of two concentric spiral pipes with insulation filling the space between the pipes.
Double wall round spiral duct and fittings are one part of our complete line of hvac products.
It is shipped from the factory with the insulation pre installed reducing job site labor costs.
Double wall insulated round ducts.
Double wall construction allows you to contain the insulation media between an inner and outer metal shell.
Doublewall spiral pipe and fittings for commercial and industrial hvac ductwork.
No painting required will last years outdoors.