Table 6 mcgill airflow standard construction methods product construction acousti k27 duct spiral lockseam uni rib k27 duct spiral lockseam with standing rib longitudinal seam k27 duct rolled and butt welded acousti k27 fittings1 standard.
United mcgill spiral duct.
Round spiral lockseam duct is available in diameters of 3 inches through 84 inches in gauges 28 through 14 and in lengths to 20 feet.
Longitudinal seam duct is available in diameters of 3 inches through 90 inches and in gauges 22 through 10.
Standard major axis thickness relationships of duct and fittings fabricated from galvanized paintable galvanized or nongalvanized carbon steel 2 major axis inches duct thickness.
An enterprise of united mcgill corporation founded in 1951 one mission park groveport ohio 43125 1149 614 836 9981 fax.
This seam increases the duct s structural strength and rigidity so that it can be used in lighter gauges.
We also manufacture rectangular ductwork.
Both constructions are available in.
United mcgill corporation was founded in 1951 as a local sheet metal contractor and steel fabricator.
Pioneered the use of spiral duct and fittings in the 1950s.
Spiral duct and fittings.
The ddf sp duct assembly ranges in length from 16 inches through 20 feet and incorporates.
Today we are a nationwide manufacturer of round and flat oval ductwork used for heating ventilating and air conditioning hvac systems in industrial commercial and public buildings.
United mcgill is a registered.
Spiral lockseam duct is constructed with an interlocking helical seam that runs the length of the duct s outer pressure shell.
Manufacturer of spiral duct.
Spot tack welded or standing seam and sealed.
Family owned and operated since 1951.
We pioneered the manufacture and use of spiral duct and fittings for heating.
United mcgill and uni duct.
Light gauge ribbed spiral lockseam duct with a 23 percent open area 360 venting orifice plate in gauges as noted for the in duct fitting.
2020 united mcgill corporation.
United mcgill duct d fuser and mcgill airflow.
Over the years we have developed a comprehensive product line that includes duct and high performance fittings designed for a variety of applications.