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Affiliation(s)

1. AREVA GmbH-Thermal Hydraulics and Components Testing, Paul-Gossenstr 100, Erlangen 91052, Germany
2. AREVA GmbH-Thermal Hydraulics and Components Testing Seligenstädter Strasse 100, Karlstein 63791, Germany
3. AREVA SAS-Thermal Hydraulics and Components Testing 30 boulevard de l'Industrie, Le Creusot 71205, France
4. AREVA Inc.-Thermal Hydraulics and Components Testing 3315 Old Forest Road, Lynchburg VA 24501, USA
5. Keysur International F11, Tower A, Millennium Plaza, No.72, Beijing 100037, China

ABSTRACT

AREVA operates a world-wide unique thermal hydraulic platform to ensure high safety standards in the nuclear industries. This platform is operated as an accredited test and inspection body according to ISO 17025 and 17020 to grant a high and independently confirmed quality standard. The accreditation also ensures the independency of the organization and confidentiality to the individual stakeholders, for example research centers, utilities, components suppliers, engineering companies and vendors. Especially for nuclear power plants, it is very relevant to consider that reliability depends on the integrity of its components during its life time—from design through construction, operation and maintenance. For example, a typical NPP (nuclear power plant) has 1,000 to 2,000 large valves and 7,500 to 12,500 small valves, of which about 200 to 400 are designated Safety Class 1. The qualification of these Safety Class 1 components is relevant for reactor new builds but also for installed plants. This paper explains newly established qualification tasks, the corresponding testing infrastructure, and the state of the art of testing technology. By way of example, the paper describes the program and possible sequence of qualifying NPP safety-related components.

KEYWORDS

Components testing, nuclear qualification, thermal hydraulics testing, nuclear safety.

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