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PREN 12953-3 : DRAFT 2013

Superseded
Superseded

A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.

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superseded

A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.

SHELL BOILERS - PART 3: DESIGN AND CALCULATION FOR PRESSURE PARTS
Superseded date

05-01-2016

Published date

10-23-2013

Foreword
1 Scope
2 Normative references
3 Terms and definitions
4 Symbols and abbreviations
5 General
6 Calculation temperature and nominal design stress
7 Cylindrical shells
8 Openings and branches in cylindrical shells
9 Ends
10 Supported flat plates, stays and stiffeners
11 Design of isolated openings in shell boiler flat
   end plates
12 Unpierced tubes and tube plates
13 Furnaces tubes, furnace components and reversal
   chambers of cylindrical form subject to external
   pressure
14 Access and inspection openings
Annex A (informative) - Calculation form for
        'Walker'-type reverse curve sections or
        corrugations
Annex B (normative) - Furnace calculation temperature
Annex C (informative) - Significant technical changes
        between this European Standard and the previous
        edition
Annex ZA (informative) - Relationship between this
         European Standard and the Essential
         Requirements of EU Directive 97/23/EC
Bibliography

Describes requirements for the design and calculation of pressure parts of shell boilers as defined in EN 12953-1.

Committee
TC 269
DocumentType
Draft
PublisherName
Comite Europeen de Normalisation
Status
Superseded
SupersededBy

Standards Relationship
13/30288560 DC : 0 Identical

10/30216705 DC : 0 BS EN 12953-2 - SHELL BOILERS - PART 2: MATERIALS FOR PRESSURE PARTS OF BOILERS AND ACCESSORIES
10/30216702 DC : 0 BS EN 12953-1 - SHELL BOILERS - PART 1: GENERAL

EN 12953-5:2002 Shell boilers - Part 5: Inspection during construction, documentation and marking of pressure parts of the boiler
EN 13445-5 : 2014 COR 2017 UNFIRED PRESSURE VESSELS - PART 5: INSPECTION AND TESTING
EN 13445-6 : 2014 COR 2017 UNFIRED PRESSURE VESSELS - PART 6: REQUIREMENTS FOR THE DESIGN AND FABRICATION OF PRESSURE VESSELS AND PRESSURE PARTS CONSTRUCTED FROM SPHEROIDAL GRAPHITE CAST IRON
EN 12953-6:2011 Shell Boilers - Part 6: Requirements for equipment for the boiler
CR 13445-7:2002 Unfired pressure vessels - Part 7: Guidance on the use of the conformity procedures
EN 1092-3:2003/AC:2007 FLANGES AND THEIR JOINTS - CIRCULAR FLANGES FOR PIPES, VALVES, FITTINGS AND ACCESSORIES, PN DESIGNATED - PART 3: COPPER ALLOY FLANGES
EN 12953-1:2012 Shell boilers - Part 1: General
EN 13445-4 : 2014 COR 2017 UNFIRED PRESSURE VESSELS - PART 4: FABRICATION
EN 1092-4:2002 Flanges and their joints - Circular flanges for pipes, valves, fittings and accessories, PN designated - Part 4: Aluminium alloy flanges
EN 12953-2:2012 Shell boilers - Part 2: Materials for pressure parts of boilers and accessories
EN 12953-10:2003 Shell boilers - Part 10 : Requirements for feedwater and boiler water quality
EN 12953-8:2001/AC:2002 SHELL BOILERS - PART 8: REQUIREMENTS FOR SAFEGUARDS AGAINST EXCESSIVE PRESSURE
CEN/TS 764-6:2004 Pressure equipment - Part 6: Structure and content of operating instructions
EN 1092-2:1997 Flanges and their joints - Circular flanges for pipes, valves, fittings and accessories, PN designated - Part 2: Cast iron flanges
1997/23/EC : 1997 DIRECTIVE 97/23/EC OF THE EUROPEAN PARLIAMENT AND OF THE COUNCIL OF 29 MAY 1997 ON THE APPROXIMATION OF THE LAWS OF THE MEMBER STATES CONCERNING PRESSURE EQUIPMENT

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