Pipe & Duct Fabrication

Metro Mechanical Supply is Oklahoma’s unsurpassed provider of lock-seam, high pressure Spiral pipe, Oval Spiral pipe and fittings. Our complete line of standard commercial and Industrial Spiral pipe, fittings, and custom fabrications are manufactured to meet all standard specifications and built to meet or exceed all SMACNA (Sheet Metal and Contractors National Association) standards. Our specialized tooling allows us to fabricate 16 GA to 28 GA spiral pipe as small as 3 inches and as large as 102 inches. You can expect and will get the best prices, quality, and on-time completion, whether you need a only a few fittings or a complete job lot for a large contract project.

Rectangular Duct & Fittings are fabricated to the latest SMACNA standards using prime grade, G-90 lock forming quality galvanized steel. Fittings are made from as drawn by contractor, shop drawings, or per mechanical engineers plans. Each duct can be labled by unit or zone for ease of placement at the jobsite. Rectangular duct has a variety end connections available that include S & Drive, Ward J Flange, Ductmate 45 connectors, or Transvers Duct Connector. It is most common to see rectangular duct fabricated with a 1″ internal insulation. Other options are bare uninsulated, 1/2″, 1 1/2″, or 2″ insulation. We can also provide you with Dual Wall duct where required with either a perforated or solid inner shell.