Perforated inner wall: it’s all about the noise For noise reduction applications, the interior pipe is perforated with thousands of 3/32” holes, which progressively reduce downstream noise and still protect the insulation from air stream erosion. Dual-wall, insulated Spiral Pipe can also handle significantly higher air temperatures. Round… …Rectangular Double Wall Duct can be either […]
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Roper Whitney #5 Jr Hand Punch For the Sheet Metal Contractor, working with Stainless Steel is a lot more challenging that Galvanized. So for jobs in which Stainless sheet is attached to a surface—like column covers and kick plates on doors—using a #5 Jr Hand Punch to punch holes rather than drilling them is much
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DuroDyne Mach III Pinspotter Excellence now with an eye to the future… Duro Dyne’s Mach 3 Pinspotter has a more efficient transformer and a wider mouth design than their FG-1 or Mach 1 or Mach 2 models. The transformer design will weld pins to 18ga galvanized steel , an improvement over the FG-1 models which
Fairmont’s Offset Hand Tong: the Knuckle Saver Grease Duct is made out of 16 ga Black Iron; the standard means of connecting one end to another is by bending all four sides of the raw edge into a 90 degree angle, typically 1/4” in length, and then butting up to another section done the same
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V Notch and Corner Notch: their role in the Rectangular Duct Fabrication processes V Notch: Bending Points How do you bend a flat sheet of metal into a rectangle or L section if there is a profile rollformed on the two vertical edges of the Blank as it approaches the Braking Station? You can’t…unless there
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Degreaser Plasma Table Labels Plasma Table labels are always advertised as “removable” but, once applied they are near impossible to remove easily. In instances where an architect or engineer require them removed (sometimes on exposed ductwork), there’s a lot of effort required to scrape these stickers off the duct. We sell a product
Canvas Connector starts as a 100 ft roll packaged in an orange or red box… …but once fabricated, ends as a Rectangular Frame Connection in between two joining sections of ductwork. There are four Canvas Connection Frames in this picture…can you identify them? Why Safety is the primary reason 4” x 4” x 4” Canvas
Why every Duct Fab Shop should have cans of Edge Coating on hand when cutting and installing Fiberglass Duct Liner With the quality of workmanship involved in creating duct sections and fittings, many shops have found it’s worth taking the time to grab an aerosol can of DURO Dyne Edge Coating and coat the raw
