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Why SMR Designers Should Consider Bringing Sealing Vendors in At Early Stage

Chris Cosgrove, a senior business development manager at Technetics, shares insights into the advancements in new nuclear technologies and highlights the crucial role of sealing vendors in their optimization. With nuclear energy being the largest source of carbon-free power, expanding its reach is essential for global carbon emission reduction. Small modular reactors (SMRs) are a…

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Chris Cosgrove, a senior business development manager at Technetics, shares insights into the advancements in new nuclear technologies and highlights the crucial role of sealing vendors in their optimization.

With nuclear energy being the largest source of carbon-free power, expanding its reach is essential for global carbon emission reduction. Small modular reactors (SMRs) are a promising development in this regard. These reactors, prefabricated in factories for on-site assembly, are significantly smaller in size compared to existing commercial reactors and are designed to be walk-away safe.

Within the realm of SMRs, Technetics offers valuable expertise in developing customized sealing hardware solutions. As Chris explains, a seal, along with its associated hardware, forms a sealing system, and early collaboration with Technetics during the development cycle ensures cost-effective, leak-tight sealing. Factors such as temperature, pressure, media being sealed, leak rate, and seating load are carefully considered to design the optimal sealing system.

Sealing systems for SMRs must meet stringent requirements, including high-temperature, high-pressure, and high-radiation environments. Technetics, renowned as the foremost expert amongst nuclear sealing vendors, specializes in reactor vessels, feedthroughs, pressurizers, piping, and even spent fuel pools, among other critical components.

Metal seals, one of Technetics’ specialties, offer numerous advantages over polymers in challenging conditions. Their engineers offer a wide range of configurations, including standard move, raised face flange, and more, ensuring high-performance sealing while maintaining cost-effectiveness. Metal seals are particularly suitable for joints where temperature or pressure exceeds the limits of elastomers like Viton or in high-radiation environments.

Technetics not only focuses on reliable performance but also understands the importance of minimizing radiation exposure to nuclear workers during maintenance operations. By delivering robust sealing solutions, they contribute to enhanced safety and efficiency in nuclear facilities.

Video TranscriptExpand ↓

Hi. I'm Chris Cosgrove, a senior business development manager with Technenics. I'm here to speak with you about new nuclear technologies. The largest source of carbon free energy is nuclear, and expanding that technology is a key way to lower carbon emissions worldwide. Small modular reactors, or SMRs, are much smaller in size than existing commercial reactors, and are prefabricated in factories for assembly on-site. Most are designed to be walk away safe. There are many potential applications within an SMR where Technetics can help develop a custom solution to optimize the sealing hardware. Remember, a seal along with the associated hardware comprise a sealing system. If you work with Technatics early in your development cycle, we can help ensure you get the most cost effective leak tight sealing we will consider temperature, pressure, media being sealed, leak rate, and seating load among a myriad of factors to help you design the best sealing system. Sealing for SMRs requires not only a very leak type design but must also perform in high temperature, high pressure, and high radiation environments. These could be light water, molten salt, or even fusion reactors. Technonetics is the world's foremost expert in sealing four nuclear applications, especially reactor vessels. We can help, with your reactor vessel and feed throughs, pressurizers, piping, even spent fuel pools just to name a few applications. We routinely manufacture metal, graphite, and elastomer seals for nuclear applications. But just looking at metal seals for a moment, Our engineers have many configurations to choose from, whether your sealing system includes a standard move, rays face flange, or most other configurations, Technatics can assist in designing a seal assembly that provides high ceiling performance, but is also cost effective. There are many locations where our metal seals might be appropriate in place of polymers. Really any joint where temperature or pressure exceeds the limits of say Viton or where high radiation might degrade elastomers. Our solutions are meant to not only perform without failure under those conditions, but we also understand the importance of lowering radiation dose to nuclear workers during maintenance overages. If you have any questions about sealing for any nuclear rated application, please contact us at technetics dot com. Thank you.

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