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Round and Oval Duct

It’s Round for a Reason! You will discover the many benefits to using round and oval spiral duct and fittings on your next project.

 

Our duct products are designed to meet your every need. You will get competitive prices for small and colossal jobs alike. You can get specialty fittings to meet your specific dimensions and/or engineering requirements. We can meet your requirements for multiple systems including supply, return, exhaust, underground PVC duct, light material handling, corrosive exhaust and specialty metal duct systems.

When working with us, you have the option of an assortment of joint connections and standard angle rings for both round and oval spiral duct. In addition, you can get a wide variety of ancillary HVAC products, including installed and/or loose access doors, rectangular taps, volume dampers, bellmouths, and much, much more.

For your next duct application, remember “We make it easy” with Round and Oval Duct at SEMCO.

  • Features
    • Aesthetically pleasing
    • Available in custom lengths
    • Easy to install with lowest installed & operating costs
    • Low air leakage, low-pressure drop, requires less fan hp
    • Low self-generated noise
  • Available Sizes
    • Round spiral duct up to 100" in diameter
    • Round longitudinal seam duct to 100+" in diameter
    • Oval spiral duct in over 350 sizes with minors 4" - 32"
    • Oval longitudinal seam duct in any size
  • Options and Accessories
    • Air diffusing perforated spiral duct
    • Available in single & dual wall round and oval
    • AVRON46® antimicrobial coating
    • Diffus-A-Plate duct diffusers
    • Largest variety of proprietary joint connectors available
    • Manifolded duct
    • Rectangular taps
    • Velocity™ self-sealing joint connection