Pressure Equipment Directive (PED) is een begrip binnen de industriële digitalisering en lasnormen & certificering.
Definitie
Pressure Equipment Directive (PED) is Europese richtlijn 2014/68/EU die de essential safety requirements stelt voor het ontwerp, fabricage en conformiteitsassessment van pressure equipment en assemblies. Het harmoniseert veiligheidsnormen binnen de EU en vereist CE-marking voor commercialisering van drukdragende apparatuur.
Kenmerken
- Scope definition: Applies to pressure equipment with maximum allowable pressure > 0.5 bar
- Category classification: Risk-based categorization (I, II, III, IV) determining conformity procedures
- Essential safety requirements: Fundamental safety principles voor design, materials, manufacturing
- Conformity assessment: Prescribed procedures including third-party certification
- CE marking: Mandatory marking indicating compliance met directive requirements
- Technical documentation: Required design calculations, material certificates, test records
- Notified bodies: Authorized third-party organizations voor conformity assessment
- Market surveillance: Member state enforcement en compliance monitoring
- Harmonized standards: European standards providing presumption of conformity
Toepassing
Pressure vessel manufacturing:
- Storage tanks: Compressed air, process gas, liquid storage vessels
- Heat exchangers: Shell-and-tube, plate exchangers voor industrial processes
- Process reactors: Chemical, pharmaceutical reaction vessels
- Steam boilers: Industrial steam generation equipment
Piping systems:
- Process piping: High-pressure industrial piping networks
- Steam distribution: Steam supply systems en condensate return
- Compressed air: Shop air distribution systems
- Hydraulic systems: High-pressure hydraulic equipment
Welding requirements:
- Weld procedures: Qualified welding procedure specifications (WPS)
- Welder certification: EN ISO 9606 welder qualification requirements
- Weld inspection: Non-destructive testing en visual inspection requirements
- Material traceability: Material certificates en test documentation
Quality assurance:
- Quality management: ISO 9001 quality system requirements
- Material testing: Impact testing, tensile testing, chemical analysis
- Pressure testing: Hydrostatic en pneumatic pressure tests
- Documentation: Design calculations, manufacturing records, test certificates
Conformity assessment:
- Module selection: Appropriate conformity assessment procedures
- Third-party certification: Notified body involvement voor higher risk categories
- Technical file: Complete documentation package voor compliance demonstration
- Declaration of conformity: Manufacturer’s declaration of regulatory compliance
Gerelateerde begrippen
Verwante termen:
- Welding procedures - Manufacturing processes subject to PED requirements
- ISO 9001 - Quality management system often required voor PED compliance
- Material testing - Testing procedures required voor PED compliance
- NDT - Inspection methods required voor PED welded joints
Verwante concepten:
- CE marking - Conformity marking required by PED
- Risk assessment - Methodology determining PED category classification
- Design codes - Engineering standards supporting PED compliance
- Quality control - Manufacturing oversight required voor PED compliance
Bronnen
- European Commission - Official PED guidance documents en interpretations
- EN 13445 (Unfired Pressure Vessels) - Harmonized standard voor pressure vessel design
- EN 13480 (Metallic Industrial Piping) - Harmonized standard voor piping systems
- EPERC (European Pressure Equipment Research Council) - PED technical guidance
- TÜV, Lloyd’s Register, Bureau Veritas - Notified bodies voor PED certification
- WRC (Welding Research Council) - Pressure vessel en piping research
- ASME Boiler & Pressure Vessel Code - International pressure equipment standards
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