Harry Thompson IV

Pittsburgh Seam Closer—Floor Mounted

Pittsburgh Seam Closer—Floor Mounted Want to invest in a Machine that everyone in the Duct Shop AND the Offices will appreciate? Consider Vicon’s vertical Floor Mount Pittsburgh Seam Closer   Why? Because the longitudinal seam is the longest connection in rectangular duct sections and it’s usually seamed with the Pittsburgh Lock, a Lock comprised of

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Spiracoustic

What is Spiracoustic? Spiracoustic comes in sheets of insulation—one side is a foil backing, the other is a black coated grooved surface for the airstream Spiracoustic is a Johns Manville engineered interior liner for spiral ductwork that is positioned as an alternative to the Double Wall method of Perforated and Unfaced Liner by providing a

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Liner Sizer

Liner Sizer From the LS Liner Sizer…   To the LSU Liner Sizer… Several years ago Duro Dyne redesigned their popular 5 ft Manual Cut Liner Sizer as it became evident that closed cell Elastomeric Liner and other non Fiberglass products like Ductmate’s Polyarmor were materials that their LS couldn’t cut. Duro Dyne’s redesign was

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Plasma Feeders

While Plasma Tables greatly reduce the amount of drop in Duct Shops, Plasma Feeders reduce that even further Plasma Cutting Tables were first introduced by Lockformer in the mid 1980’s and would revolutionize the HVAC Fabrication industry by that addressing the most time consuming and labor intensive task in an HVAC sheet metal fab shop;  cutting out

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What is the Longitudinal Seam and Transverse Joint in Rectangular Duct?

What is the Longitudinal Seam and Transverse Joint in Rectangular Duct? Longitudinal part of Rectangular Duct is the length, while Transverse part is the width SMACNA refers to the Longitudinal as a seam and Transverse as a joint. A seam is securing together two longitudinal oriented edges of duct in the direction of airflow. A

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