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Nuclear power

Nuclear industry is a very demanding environment where Mersen can provide a large range of equipment and components along the whole nuclear chain.

Mersen - nuclear power


Our solutions are qualified according to the stringent nuclear requirements such as PMUC, RCCM, ESPN and ASME-N, HAF604 and HAF-601 for the Chinese projects.

Graphite and CFC composites are the only refractory materials that are able to bear experimental fusion environments.

In the nuclear fission reaction, graphite is also used as a moderator.

Mersen has been supplying process equipment for the nuclear industry for more than 30 years, earning customers’ appreciation for a unique blend of capabilities that make it the ideal global partner in this specialty.

Mersen supplies equipment for each stage in the nuclear chain:

  • extraction,
  • enrichment-conversion,
  • reactor,
  • recycling.


Mersen is also actively involved in research and development projects. Customers appreciate Mersen’s extensive expertise in heat exchange, and its capabilities in thermal and mechanical design of pressure vessels and heat exchangers.

Mersen enjoys worldwide recognition for its materials expertise, covering carbon steel to reactive metals (tantalum, zirconium or titanium), and its unrivaled range of equipment:


Customers benefit from Mersen’s extensive know-how, long experience, and thorough familiarity with major nuclear codes such as RCCM and ASME N.

Additionally, Mersen provides sealing and mechanical components that comply with safety nuclear requirements.

Mersen at a glance

Global expert in materials and solutions for extreme environments as well as in the safety and reliability of electrical equipment Mersen designs innovative solutions to address its clients specific needs to enable them to optimize their manufacturing process in sectors such as energy, transportation, electronics, chemical, pharmaceutical and process industries.