Round spiral duct forms the backbone of the most efficient means of creating a metal duct system. From initial planning through final installation and on to efficient operation by the customer, round ...

A delivery truck pulled into the yard and heavy sighs arose from the installers who went to meet it. It was another load of ductwork, and everybody knew what to expect: lightweight flanges that ...

Careful planning in designing ductwork for emission control structures goes a long way toward reducing overall plant construction costs. Increasing restrictions on power plant emissions are causing ...