Expertise and highly developed skills in the design and manufacture of high-performance valves

Daher is the market leader in high-performance valves for nuclear (Vanatome brand valves) and energy (Verdelet brand valves) applications worldwide.

We design, qualify and manufacture a broad range of demanding products for installation in the primary and secondary circuits of the world’s largest nuclear installations, in the nuclear propulsion systems used in French naval vessels, in advanced research technologies, and in hi-tech equipment for the Oil & Gas, Petrochemicals, Chemicals, Power Generation and other industries.

  • 30

    People dedicated solely to engineering

  • 50%

    Of production focused on exports

  • 1000

    Valves manufactured every year

  • 30

    Patents filed in 40 years, including ten that are still active

Ourr added value

  • A global service

    A global service that reduces product lifecycle costs and improves equipment operational safety.

  • A comprehensive range of products

    A comprehensive range of products covering all the technologies required for all nuclear and industrial systems.

  • A substantial experience

    A substantial experience in maintenance and technical support services.

Our offer



Daher has been driving innovating forward in the nuclear valves industry for nearly 40 years. Its valves have applications throughout this market, from nuclear power plants to defense, research reactors, reactive dismantling, and the upstream and downstream fuel cycles.



Daher offers an extensive range of valves engineered to meet the most demanding requirements of leading energy sector companies working in oil and gas, conventional power plants, desalination, manufacturing industry, renewable energies and cryogenics.

Testimonials / Use cases