Introducing
Dyn-O-Ring ™
Duro Dyne Dyn-O-Rings make installing round ductwork quick and easy.

Dyn-O-Rings come with pre-drilled holes for fast assembly to the duct. They eliminate labor intensive clamps and clips and no special tools are needed for installation. They can be installed & assembled on site or in shop.
FEATURES:
  • Meets SMACNA Rigidity Class C, per the SMACNA Testing and Research Institute
  • Pressure class +20”W.G. to -10” W.G.
  • Dyn-O-Rings are available in single-layer 90 degree and rigid rolled TDC styles
  • Pre-drilled holes for easy installation • 90 degree Dyn-O-Rings available in sizes from 8” to 96” in diameter
  • TDC Dyn-O-Rings available in sizes from 14” to 96” in diameter
  • Manufactured from 16 or 18 gauge galvanized steel, meeting specifications ASTM A-653 (lock forming quality)
  • Also available in specialty metals: Aluminum, 300 Series Stainless Steel, Galvaneal
  • Ducts can be disassembled and reassembled easily
  • No barrel clamp closures required
  • Virtually no leakage at transverse connection when properly installed
  • Double wall and Flat Oval available upon request
Ordering Information:
For more information on Dyn-O-Rings,
click the image below for the Literature Sheet and Submittal!
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