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NS EN 14276-1 : 2006 + A1 2011
Withdrawn
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PRESSURE EQUIPMENT FOR REFRIGERATING SYSTEMS AND HEAT PUMPS - PART 1: VESSELS - GENERAL REQUIREMENTS
01-04-2020
12-01-2013
Foreword
Introduction
1 Scope
2 Normative references
3 Terms and definitions
3.1 Definitions
3.2 Symbols, quantities and units
4 Materials
4.1 General
4.2 Requirements for materials to be used for pressurised
parts
4.3 Requirements for materials
4.4 Requirements for prevention of brittle fracture
4.5 Material documentation
4.6 Materials for non-pressure retaining parts
5 Pressure Vessel classification
5.1 Category of vessel
5.2 Fluid classification
6 Design
6.1 General
6.2 Corrosion and corrosion protection
6.3 Stress corrosion cracking
6.4 Loading
6.5 Maximum allowable pressure PS
6.6 Design pressure P[d]
6.7 Calculation pressure P or P[c]
6.8 Design temperature t[d]
6.9 Minimum material temperature
6.10 Calculation temperature t[c]
6.11 Joint coefficient
6.12 Design stress
6.13 Access and inspection openings, venting and draining
provisions, filling and discharge provisions and
handling devices
6.14 Methods for design
7 Manufacturing
7.1 General
7.2 Material traceability
7.3 Manufacturing tolerances
7.4 Permanent joints
7.5 Forming of pressure parts
7.6 Post weld heat treatment
7.7 Internal cleanness
7.8 Repairs/Reworks
7.9 Finishing operations
8 Testing and inspection
8.1 Performance of inspection and testing
8.2 Design documentation, review and approval
8.3 Type approval
8.4 Calibration
8.5 Material
8.6 Manufacturing
8.7 Non destructive testing
8.8 Subcontracted elements
8.9 Final inspection
8.10 Marking
8.11 Documentation
Annex A (normative) Alternative requirements for prevention
of brittle fracture: Method according to
temperature stress cases
Annex B (normative) Specification and approval of brazing
procedures, brazers and brazing operators
Annex C (normative) Pressure testing
Annex D (informative) Relations between the different pressures
Annex E (normative) Experimental methods
Annex F (normative) Material characteristics for design
Annex G (informative) Component classification in the sense of
the Pressure Equipment Directive (PED)
Annex H (informative) Selection of module of conformity
Annex I (normative) Grouping system for materials
Annex J (informative) DN System
Annex K (normative) Specification and approval of
expansion procedures and operators
Annex ZA (informative) Relationship between this European
Standard and the Essential
Requirements of EU Directive 97/23/EC
Bibliography
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