Flanges and their joints - Qualification of personnel competency in the assembly of the bolted connections of critical service pressurized systems Ingestion-build-159183 • Electromagnetic compatibility (EMC)

• Electromagnetic compatibility (EMC)

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Flanges and their joints - Qualification of personnel competency in the assembly of the bolted connections of critical service pressurized systems Ingestion-build-159183 • Electromagnetic compatibility (EMC)1 Scope This European Standard is applicable to the bolting technicians, and their supervisors, the responsible engineers, who disassemble, assemble and tighten the bolted connections of whatever shape of critical service pressurised systems. A failure of a connection in such a system would endanger personnel, plant or the environment. A route for achieving competency in the skills required to safely and successfully disassemble, assemble and tighten