01/714474 DC : DRAFT NOV 2001
Superseded
A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.
A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.
BS EN 14276-1 - PRESSURE EQUIPMENT FOR REFRIGERATING SYSTEMS AND HEAT PUMPS - PART 1: VESSELS - GENERAL REQUIREMENTS
07-31-2006
11-23-2012
Foreword
Introduction
1 Scope
2 Normative references
3 Terms and definitions
3.1 Definitions
3.1.1 Temperatures stress cases
3.2 Symbols, quantities and units
4 Materials
4.1 General
4.2 Requirements for materials to be used for
pressurised parts
4.3 Materials
4.3.1 Vessels manufactured from the following
materials satisfy the requirements of
this standard for the pressurised parts:
4.3.2 Cladding
4.3.3 Special considerations
4.4 Requirements for prevention of brittle fracture
4.4.1 General
4.4.2 Material requirements
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
5.2.1 Refrigerants
5.2.2 Other fluids
5.3 Pressure vessel with independent circuits
6 Design
6.1 General
6.2 Corrosion and corrosion protection
6.2.1 Internal corrosion
6.2.2 External corrosion
6.2.3 Corrosion allowance information
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]
6.10.1 General
6.10.2 Vessel without heater
6.10.3 Vessel with heater
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
6.13.1 Non corrosive fluids
6.13.2 Corrosive fluids
6.13.3 Venting and draining provisions
6.13.4 Filling and discharge provision
6.13.5 Handling devices
6.14 Methods for design
6.14.1 General
6.14.2 Design by formulas (DBF)
6.14.3 Joint design
7 Manufacturing
7.1 General
7.2 Material traceability
7.3 Manufacturing tolerances
7.4 Permanent joints
7.4.1 General
7.4.2 Permanent joint and operator qualification
7.4.3 Permanent joint operations and traceability
7.4.4 Welding
7.4.5 Brazing
7.4.6 Permanent joints by deformation
7.5 Forming of pressure parts
7.5.1 General
7.5.2 Deep drawing
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
8.2.1 General
8.2.2 Design documentation
8.2.3 Design review and design approval
8.2.4 Design documentation change
8.3 Type approval
8.4 Calibration
8.5 Material
8.6 Manufacturing
8.7 Non destructive examination
8.8 Subcontracted elements
8.9 Final inspection
8.9.1 General
8.9.2 Visual examination
8.9.3 Examination of documentation
8.9.4 Pressure test
8.10 Marking
8.11 Documentation
8.11.1 Manufacturer's instruction
8.11.2 Technical documentation of user
8.11.3 Records
9 Safety accessories
Annex A (normative) Alternative requirements for prevention
of brittle fracture: Method according to temperature
stress cases
Annex B (informative) 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) Clauses of this European Standard
addressing essential requirement or other provisions of
EU Directives
Bibliography
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