Single Wall Flat Oval - 1995 SMACNA Standards
Standard Gauge Chart
|Major Axis||Spiral Pipe||Long Seam Pipe||Fittings|
|25" - 36"||22||20||20|
|37" - 48"||22||18||18|
|49" - 60"||20||18||18|
|61" - 70"||20||16||16|
See "Double Angle Exterior Reinforcement for Oval Duct" chart for contractor furnished and installed reinforcing/hangers.
- Galvanized G60 and G90
- Phosphatized (Paint Grip)
- 304L Stainless Steel
- 316L Stainless Steel
- Polyvinyl Coated (PCD)
Special materials may be available. Please contact your nearest representative for specific details.
Flat Oval ducts are recommended for positive pressure applications only.
Available Spiral Profiles
Spiral Pipe of Texas' products are manufactured in accordance with the latest SMACNA, ASHRAE and SPIDA standards. In an on-going effort to improve our products, Spiral Pipe of Texas reserves the right to revise the design and/or specifications of its products as technology advances or applicable standards change.