Incoloy 800 Blind Flanges
Incoloy 800 Blind Flanges are solid disk-like fittings, manufactured by Zeron Fastners, that serve a
critical function in piping systems: they completely seal off the ends of piping, valves, or pressure
vessel openings. The material, Incoloy 800 (UNS N08800), is a nickel-iron-chromium alloy celebrated
for its resilience and excellent resistance to oxidation and carburization in environments up to
1100°F (593°C). These flanges are commonly used for isolation points, closing off systems for repair
or future expansion, or during pressure testing of a pipeline or vessel. Being a non-welded component
in its primary function, the Blind Flange is bolted to an existing flange, requiring high-strength
bolting and a secure gasket seal for total isolation.
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