Fangyuan's Material Choice: What Makes Epoxy-Coated Ductile...

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2026-04-13 06:34:07 -

Fangyuan's Material Choice: What Makes Epoxy-Coated Ductile Iron Superior for a Water Project Valve Body

A valve body that loses its mechanical strength silently endangers an entire pipeline network. Standard gray cast iron offers acceptable machinability and low cost, but its flake graphite structure creates a continuous electrochemical pathway for corrosion. Why do many Water Project Valve specifications require epoxy-coated ductile iron instead of standard cast iron? The answer begins with...

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