GRAPHALLOY® Specified for Nuclear-Service Pump Components

A nuclear-products operation recently contacted Graphalloy about replacement case rings and a channel bushing for a pump used in heavy-water service. Legacy drawings specified nickel-grade GRAPHALLOY for all three components. After reviewing the fluid, operating temperature, mating material, and running clearances, a Graphalloy engineer confirmed the appropriate material family and quoted the replacement parts to the original drawings.

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Nuclear energy demands components that never flinch—whether they face 1000 °F (535 °C) steam, borated water, or unplanned dry-running events. GRAPHALLOY® self-lubricating bearings meet that challenge by combining the strength of metal with the lubricity of graphite.

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