As a leader in our industry since 1925 duct direct has the capacity to handle any project in the world.
Double wall sheet metal duct.
Doublewall spiral pipe and fittings for commercial and industrial hvac ductwork.
Double wall rectangular ducts utilize the same outer metal shell and insulation media as our internally lined rectangular ducts but have an additional metal inner shell between the insulation and the airstream.
Our standard double wall duct and fittings have galvanized sheet metal outer walls and a layer of fiberglass insulation surrounding the inner liner.
Double wall duct has a complete line of compatible fittings.
All sizes shall be listed using inside dimensions.
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This provides some additional characteristic to the duct as well as allowing a few more insulation options.
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In 1960 ecco started in a garage with two entrepreneurs who believed they could produce better quality parts than what was available locally.
Delivering galvanized sheet hetos jm duct liner.
Double wall pipe and fittings with e z flange and barrel clamp or standard slip connection sheet metal connectors inc.
The insulation is available as standard fiberglass or acousti line insulation with an acrylic coating that resists air erosion of fibers and the growth of fungus and bacteria.
Fittings can be fabricated with standing seam elbow lock or welded seam construction.
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Double wall duct is constructed with an insulation layer between a solid metal outer shell and either a perforated or solid metal inner shell.
Double wall round spiral duct and fittings are one part of our complete line of hvac products.
Double wall rectangular duct is a dependable erosion resistant alternative to lined rectangular duct providing improved protection for insulation exposed to the airstream.
Double wall fittings can be fabricated to desired length and many different configurations.
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Doublewall spiral pipe catalog specs.
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Double wall also called dual wall insulated spiral pipe offers exceptional thermal and noise control and it is the most reliable durable and permanent method of insulating spiral pipe.