Technetics Group for the entire nuclear power lifecycle.
Helico-flex spring-loaded C-ring
High-performance seals, components, and subsystems for nuclear applications with proven performance to reduce accident risks and enhance safety.
Our products are used in new and existing nuclear power plants, spent fuel casks, fission reactors, enrichment plants, and national laboratories. We are focusing on the development of sealing components for the nuclear industry. At our R&D innovation lab, maestral, located in southern France, we are actively developing new solutions for fourth-generation nuclear power and fusion projects, as well as hydrogen fuel cell and electrolysis projects. We assist in solving demanding technical challenges to improve performance and lifespan. 【Applications (partial)】 ■ Fusion ■ Spent fuel casks ■ Small modular reactors (SMR) ■ Fourth-generation reactors ■ Molten salt reactors (MSR) *You can download the English version of our technical materials and case studies. *For more details, please feel free to contact us.
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【Other Applications】 ■ Sodium Fast Reactor ■ Micro Modular Reactor (MMR) ■ High-Temperature Gas Reactor 【Products Used in the Nuclear Market】 ■ Reactor Pressure Vessel (RPV) Closure Head ■ Reactor Coolant Pump / RCP ■ Quick Disconnect System / QDS ■ Metal Seal / HELICOFLEX(R) ■ Expanded Graphite Gasket / ORIGRAF(R)・VITAFLEX(R) and more * You can download the English version of the catalog. * For more details, please feel free to contact us.
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*You can download the English version of the technical materials and case studies. *For more details, please feel free to contact us.
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Company information
Teknetics Group Japan Co., Ltd. is the Japanese subsidiary's sales and technical department of a high-performance seal manufacturer that provides seal products (such as spring-loaded C-rings, metal seals like HELICOFLEX® seals, and elastomeric expansion seals) tailored to customer applications with flexible design support. Capital: 84.06 million yen. We deliver metal seals, expansion seals (new seals/inflatable seals), and elastic/expansion graphite seals that demonstrate high performance in demanding sealing environments across various fields such as vacuum, semiconductors, nuclear power, nuclear fusion, petroleum refining, racing cars, valves and compressors, pharmaceutical manufacturing equipment, and aerospace, operating under extreme conditions from ultra-low temperatures to high temperatures and ultra-high vacuum to high pressure.