• One piece, precision-built, high quality, die-stamped.
  • Long collars to facilitate attaching gaskets for self-sealing applications.
  • Conform to ASTM A653/A924 standards.
  • Made from G60 (or higher Zinc content) galvanized steel sheets.
  • Sizes 4″ through 16″ are die stamped (pressed) and 18″ and larger are roll formed.
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Product Sizing & Weights - click images to view larger

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