Corrosion‑Resistant Butterfly Disc

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2026-05-29 08:12:01 -

A butterfly disc is the rotating closure element inside a butterfly valve. This butterfly disc controls fluid flow by turning 90 degrees from fully open to closed. A well‑designed butterfly disc has a low profile to minimize pressure drop. The butterfly disc is often made of ductile iron with a nylon or epoxy coating. A stainless steel butterfly disc resists corrosion in chemical and marine...

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