A new ANSI/ANS standard for liquid metal fire protection published
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Peteri Szerlagi
Sep 8, 2025, 5:56:51 PM9/8/25
to usafire
A new ANSI/ANS standard for liquid metal fire protection published
https://www.ans.org/news/article-7349/a-new-ansians-standard-for-liquid-metal-fire-protection-published/
Typical liquid metal reactor designs use liquid sodium as the coolant
for both the primary and intermediate heat-transport systems. In
addition, liquid sodium and NaK (a mixture of sodium and potassium
that is liquid at room temperature) are often used in auxiliary
heat-removal systems. Since these liquid metals can react readily with
oxygen, water, and other compounds, special precautions must be taken
in the design, construction, testing, and maintenance of the
sodium/NaK systems to ensure that the potential for leakage is very
small.
https://www.ans.org/news/article-7349/a-new-ansians-standard-for-liquid-metal-fire-protection-published/
Typical liquid metal reactor designs use liquid sodium as the coolant
for both the primary and intermediate heat-transport systems. In
addition, liquid sodium and NaK (a mixture of sodium and potassium
that is liquid at room temperature) are often used in auxiliary
heat-removal systems. Since these liquid metals can react readily with
oxygen, water, and other compounds, special precautions must be taken
in the design, construction, testing, and maintenance of the
sodium/NaK systems to ensure that the potential for leakage is very
small.
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