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Conference Papers Year : 2017

Experimental qualification of rotatable plug seals for Sodium Fast Reactor on a large scale test stand

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Abstract

In the framework of the ASTRID (Advanced Sodium Technological Reactor for Industrial Demonstration) project, the CEA Sealing Laboratory with its partner TECHNETICS (TGF) was involved to propose a new concept of rotating plug seals to replace the commonly used liquid-metal seals. An innovative combination of static, dynamic and inflatable seals in silicone rubber ensuring double tightness-barriers for the cover gas was developed. Following the design phase and materials studies, a dedicated test stand was built to qualify the technical performances of these seals. The large size of the test stand composed of a 2.5m diameter rotating plates was chosen to provide a small profile height on seal diameter ratio, and a volume of enclosed gas large enough to allow representative qualification of leak-test methods. After a description of the test stand, the paper presents the mains outcomes of the technical qualifications (mechanical behavior, sealing performance, endurance test) led on several seals design.
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Dates and versions

cea-02435109 , version 1 (10-01-2020)

Identifiers

  • HAL Id : cea-02435109 , version 1

Cite

K. Vulliez, L. Mirabel, F. Rouillard, M. Berger, A. Beziat, et al.. Experimental qualification of rotatable plug seals for Sodium Fast Reactor on a large scale test stand. International Conference on Fast Reactors and Related Fuel Cycles Next Generation Nuclear Systems for Sustainable Development (FR17), Jun 2017, Yekaterinbourg, Russia. ⟨cea-02435109⟩

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