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Flat Oval Spiral Pipe & Fittings for Commercial or Industrial HVAC systems

Sheet Metal Connectors, Inc. flat oval single wall duct and fittings are one part of our complete line of HVAC products. Flat oval duct has been designed for restricted space conditions that cannot accept round spiral duct. Flat Oval Spiral Pipe is fabricated in spiral lock seam or longitudinal welded construction. Applied end treatments can be E-Z flange with barrel clamp, standard slip connection, or angle iron rings. Refer to the chart below for specific materials, gauges, and lengths.

Flat Oval Spiral Pipe Catalog & Specs