Meaning
Conformity assessment certification according to the Pressure Equipment Directive mandates that manufacturers verify product safety through full quality assurance procedures. Module G requires that a notified body examines the technical design of an individual pressure vessel or a series of units to determine if the specifications meet essential safety requirements. Compliance involves the submission of technical documentation covering design, manufacturing, and operation to an independent third party for verification.
This process culminates in the issuance of a certificate of conformity by the inspector after a successful final assessment of the equipment itself.
Verification Protocol
Assessment procedures under this framework focus on the physical inspection of the manufactured unit rather than the audit of a factory system. Inspectors verify that all materials used in the construction align with the submitted design specifications. Technicians perform hydrostatic pressure tests to confirm structural integrity under operational loads.
Successful testing results in the application of the CE marking to the specific equipment, identifying the unit as compliant with regional safety standards.
Documentation Requirement
Records must substantiate every design decision and material selection made during the manufacturing cycle. Engineers provide stress calculations, weld procedure specifications, and material certificates for every major component of the assembly. Inspectors review this dossier to establish that the actual device performs as predicted by the theoretical models.
Missing test reports or incomplete material traceability records prevent the final certification of the equipment.
Cost Consideration
Economic factors dictate that this approach serves low volume or bespoke production where individual unit verification provides higher assurance than batch auditing. Manufacturers bear the full expense of the third party inspector for each vessel produced, which creates a high overhead for mass production runs. Projects involving specialized high pressure vessels utilize this method to guarantee that every unique item complies with legal mandates.
The certification of individual units through this model establishes legal liability for the manufacturer regarding the safety performance of the final product.