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E-Z Flange Spiral Pipe System (Ductwork for HVAC systems)
Sheet Metal Connectors, Inc. E-Z Flange spiral pipe and fittings are one part of our complete line of HVAC products. The spiral pipe is formed from a coil of metal into a rigid tube with a 4-ply lockseam. It has a smooth interior low friction loss with the grooved seam entirely on the outside. This pipe has a resistance to crushing approximately 2 1/2 times that of longitudinal lockseam or welded pipe. Optional corrugations are available which increase the rigidity of the pipe by approximately 300%. Pipe sections are joined together by an E-Z Flange Jr. or an E-Z Flange with barrel clamp, which exceeds ASHRAE and SMACNA Class 3 Leakage Tests.

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Fittings
c-spfseamsSheet Metal Connectors, Inc. E-Z Flange Spiral Pipe System has a complete line of compatible fittings. E-Z Flange fittings are manufactured on our state of the art fabrication equipment. Many different materials, gauges, and configurations are available. E-Z Flange fittings can be fabricated with standing seam, elbow lock seam, or welded seam construction. Please consult our factory for more information.

All fittings are manufactured with:
• E-Z Flange Jr. with Barrel Clamp – 6″ to 24″ Diameter
• E-Z Flange with Barrel Clamp – 26″ to 96″ Diameter

Faxable Order Forms
You may download these order forms with the links below.
Order Sheet One
Order Sheet Two

These forms can also be found in the back of the E-Z Flange Spiral Pipe System Catalog.

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Note: SMACNA Testing and Research Institute verified that Sheet Metal Connectors, Inc.

Shop standards comply with the 1995-2nd edition of the SMACNA HVAC Duct Construction Standards.