Securing Nuclear‑Grade Reliability Through Transparency and Traceability
Proven Quality for Nuclear Applications
The project, for a French multinational engineering utility company and nuclear power plant operator, focused on a safety-critical function with zero tolerance for uncertainty. Boccard’s customer needed to secure a regulating air system designed to ensure the autonomy of pneumatic actuators in the event of a compressed air network failure. In nuclear facilities, the loss of a safety‑critical air system can halt operations, delay restart activities, and significantly increase operational and regulatory risk. In some cases, this can translate to losses of approximately €1 million per day—making reliability and complete documentation essential.
Addressing Stringent Nuclear Requirements
Meeting PMUC Qualification and Nuclear Standard
Unlike conventional industrial projects, this application carried heightened demands due to the critical role of the instrument air system in nuclear safety. Every component integrated into the system had to meet strict nuclear standards, including Products and Materials Used in Power Plants (PMUC) qualification, while all manufacturing, inspection, and documentation activities needed to comply fully with the customer’s nuclear requirements.
The Role of Documentation in System Approval
As one project stakeholder noted, without complete and compliant quality documentation, system commissioning simply cannot proceed.
Beyond system design and fabrication, Boccard faced the additional challenge of managing an extensive nuclear quality requirement, where traceability and formal approval are just as essential as technical performance. In this context, incomplete or non‑compliant documentation alone could result in equipment rejection—even if the system operated flawlessly. An authorized local Swagelok Sales and Service Center was able help.
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How Swagelok Lyon Delivered Nuclear Compliance and Traceability
Providing Complete Documentation and Traceability
To meet these demanding requirements, Swagelok Lyon was engaged across multiple levels of the project, taking a comprehensive and transparent approach aligned with nuclear industry expectations:
- Took full ownership of the documentation, including preparation of a structured 241‑page end-of-manufacturing report
- Ensured specific, individual packaging of components in strict accordance with technical specifications
- Supplied PMUC‑approved valves suitable for nuclear environments and selected to match the criticality of the application
- Hosted customer inspections prior to shipment to validate component and documentation compliance
Ensuring Component Compliance and Inspection Readiness
At each stage, the focus remained on traceability, regulatory compliance, and openness—providing Boccard and the end customer with clear, auditable evidence that all requirements had been met.
“In the nuclear industry, quality is a direct link in safety,” said Mathilde Sarrazin, quality manager, Swagelok Lyon. “Every component, every document, every control must be traceable and justified. The RFF that we have produced for Boccard is much more than a deliverable: it is a concrete demonstration that the entire system meets the highest requirements, in complete transparency.”
The Value of Transparency and Traceability in Nuclear Projects
Building Confidence in Safety-Critical Systems
Through disciplined execution, transparent processes, and rigorous traceability, Swagelok Lyon helped Boccard deliver a safety‑critical system that met the end customer’s stringent nuclear requirements with confidence.
Supporting Long-Term Nuclear Performance
By aligning nuclear-qualified components with comprehensive documentation, Swagelok Lyon reinforced trust at every stage. This approach supported Boccard’s commitment to safety and compliance. It also ensured long-term reliability in a highly demanding environment.
“This project illustrated a true shared vision of quality,” said Mourad Belabhar, project manager modifications, Boccard. “At Boccard, quality is inseparable from safety: risk control, technical and documentary compliance, requirements at each stage. We found that same approach at Swagelok Lyon. Beyond the components supplied, it was the rigor, traceability and alignment with our nuclear requirements that made the difference.”
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