US Duct's Sept 2026 DuctQuote Update Accurate BOMs: Corrected counts for flanged pipes and four 3-inch 45-degree elbows. Smoother 3D Modeling: Fixed model loading, height stability, and locking, while cleaning up loading bugs and keeping movement handles active on "Place on Floor." Faster Management: Resolved search issues (including apostrophe searches) and sped up layout order loading.
Flanged
We manufacture flanged ductwork from 3" to 40" and beyond. We also provide duct with flanges (also called angle rings or angle flanges) in black iron, galvanized, or stainless steel (SS) and with or without holes.
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Get started on a solution tailored to your needs, or explore our range of inline separators, self-dumping hoppers, and baghouses for even more ways to optimize your workspace.




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