SIST EN 12516-4:2015+A1:2018

SLOVENSKI STANDARD
01-december-2018
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SIST EN 12516-4:2015
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Industrial valves - Shell design strength - Part 4: Calculation method for valve shells
manufactured in metallic materials other than steel
Industriearmaturen - Gehäusefestigkeit - Teil 4: Berechnungsverfahren für drucktragende
Gehäuse von Armaturen aus anderen metallischen Werkstoffen als Stahl
Robinetterie industrielle - Résistance mécanique des enveloppes - Partie 4 : Méthode de
calcul relative aux enveloppes d'appareils de robinetterie en matériaux métalliques
autres que l'acier
Ta slovenski standard je istoveten z: EN 12516-4:2014+A1:2018
ICS:
23.060.01 Ventili na splošno Valves in general
2003-01.Slovenski inštitut za standardizacijo. Razmnoževanje celote ali delov tega standarda ni dovoljeno.

EN 12516-4:2014+A1
EUROPEAN STANDARD
NORME EUROPÉENNE
September 2018
EUROPÄISCHE NORM
ICS 23.060.01 Supersedes EN 12516-4:2014
English Version
Industrial valves - Shell design strength - Part 4:
Calculation method for valve shells manufactured in
metallic materials other than steel
Robinetterie industrielle - Résistance mécanique des Industriearmaturen - Gehäusefestigkeit - Teil 4:
enveloppes - Partie 4 : Méthode de calcul relative aux Berechnungsverfahren für drucktragende Gehäuse von
enveloppes d'appareils de robinetterie en matériaux Armaturen aus anderen metallischen Werkstoffen als
métalliques autres que l'acier Stahl
This European Standard was approved by CEN on 9 August 2014 and includes Amendment 1 approved by CEN on 2 March 2018.

CEN members are bound to comply with the CEN/CENELEC Internal Regulations which stipulate the conditions for giving this
European Standard the status of a national standard without any alteration. Up-to-date lists and bibliographical references
concerning such national standards may be obtained on application to the CEN-CENELEC Management Centre or to any CEN
member.
This European Standard exists in three official versions (English, French, German). A version in any other language made by
translation under the responsibility of a CEN member into its own language and notified to the CEN-CENELEC Management
Centre has the same status as the official versions.

CEN members are the national standards bodies of Austria, Belgium, Bulgaria, Croatia, Cyprus, Czech Republic, Denmark, Estonia,
Finland, Former Yugoslav Republic of Macedonia, France, Germany, Greece, Hungary, Iceland, Ireland, Italy, Latvia, Lithuania,
Luxembourg, Malta, Netherlands, Norway, Poland, Portugal, Romania, Serbia, Slovakia, Slovenia, Spain, Sweden, Switzerland,
Turkey and United Kingdom.
EUROPEAN COMMITTEE FOR STANDARDIZATION
COMITÉ EUROPÉEN DE NORMALISATION

EUROPÄISCHES KOMITEE FÜR NORMUNG

CEN-CENELEC Management Centre: Rue de la Science 23, B-1040 Brussels
© 2018 CEN All rights of exploitation in any form and by any means reserved Ref. No. EN 12516-4:2014+A1:2018 E
worldwide for CEN national Members.

Contents Page
European foreword . 3
1 Scope . 4
2 Normative references . 4
3 Symbols and units . 5
4 Interrelation of thickness definitions . 5
5 Requirements . 5
5.1 General . 5
5.2 Materials — Cast iron . 5
5.2.1 Allowable grades . 5
5.2.2 Strength values . 6
5.2.3 Pressure/temperature ratings for cast iron . 8
5.2.4 Welding . 8
5.3 Materials — Wrought copper alloys . 8
5.3.1 General . 8
5.3.2 Strength values . 9
5.3.3 Pressure/temperature ratings for wrought copper alloy . 13
5.4 Materials — Wrought aluminium alloys . 13
5.4.1 General . 13
5.4.2 Strength values . 14
5.4.3 Pressure/temperature ratings for wrought aluminium alloys . 19
5.5 Allowable stresses . 19
5.5.1 Aluminium and aluminium alloys - wrought materials . 19
5.5.2 Materials other than aluminium . 19
Annex ZA (informative) Relationship between this European Standard and the essential
Requirements of EU Directive !2014/68/EU (PED) aimed to be covered" . 20
Bibliography . 21

European foreword
This document (EN 12516-4:2014+A1:2018) has been prepared by Technical Committee CEN/TC 69
“Industrial valves”, the secretariat of which is held by AFNOR.
This European Standard shall be given the status of a national standard, either by publication of an
identical text or by endorsement, at the latest by March 2019, and conflicting national standards shall
be withdrawn at the latest by March 2019.
Attention is drawn to the possibility that some of the elements of this document may be the subject of
patent rights. CEN shall not be held responsible for identifying any or all such patent rights.
This document includes Amendment 1 approved by CEN on 2018-03-02.
This document supersedes !EN 12516-4:2014".
The start and finish of text introduced or altered by amendment is indicated in the text by tags !" .
This document has been prepared under a mandate given to CEN by the European Commission and the
European Free Trade Association, and supports essential requirements of !European legislation for
pressure equipment".
For relationship with !European legislation for pressure equipment", see informative Annex ZA,
which is an integral part of this document.
EN 12516 comprises the following parts:
— Industrial valves — Shell design strength — Part 1: Tabulation method for steel valve shells;
— Industrial valves — Shell design strength — Part 2: Calculation method for steel valve shells;
— Valves — Shell design strength — Part 3: Experimental method;
— Industrial valves — Shell design strength — Part 4: Calculation method for valve shells manufactured
in metallic materials other than steel.
According to the CEN-CENELEC Internal Regulations, the national standards organisations of the
following countries are bound to implement this European Standard: Austria, Belgium, Bulgaria,
Croatia, Cyprus, Czech Republic, Denmark, Estonia, Finland, Former Yugoslav Republic of Macedonia,
France, Germany, Greece, Hungary, Iceland, Ireland, Italy, Latvia, Lithuania, Luxembourg, Malta,
Netherlands, Norway, Poland, Portugal, Romania, Serbia, Slovakia, Slovenia, Spain, Sweden, Switzerland,
Turkey and the United Kingdom.
1 Scope
This European Standard specifies the calculation method for valve shells manufactured in metallic
materials other than steel. The loadings to be accounted for are in accordance with EN 12516-2.
Design methods are in accordance with EN 12516-2, design by formulae according to the relevant
clauses.
2 Normative references
The following documents, in whole or in part, are normatively referenced in this document and are
indispensable for its application. For dated references, only the edition cited applies. For undated
references, the latest edition of the referenced document (including any amendments) applies.
EN 485-2:2013, Aluminium and aluminium alloys — Sheet, strip and plate — Part 2: Mechanical
properties
EN 586-2:1994, Aluminium and aluminium alloys — Forgings — Part 2: Mechanical properties and
additional property requirements
EN 754-2:2013, Aluminium and aluminium alloys — Cold drawn rod/bar and tube — Part 2: Mechanical
properties
EN 755-2:2013, Aluminium and aluminium alloys — Extruded rod/bar, tube and profiles — Part 2:
Mechanical properties
!EN 1092-2:1997", Flanges and their joints — Circular flanges for pipes, valves, fittings and
accessories, PN designated — Part 2: Cast iron flanges
!EN 1092-3:2003", Flanges and their joints — Circular flanges for pipes, valves, fittings and
accessories, PN designated — Part 3: Copper alloy flanges
!EN 1092-4:2002", Flanges and their joints — Circular flanges for pipes, valves, fittings and
accessories, PN designated — Part 4: Aluminium alloy flanges
EN 1561:2011, Founding — Grey cast irons
EN 1562:2012, Founding — Malleable cast irons
EN 1563:2011, Founding — Spheroidal graphite cast irons
EN 1653:1997, Copper and copper alloys — Plate, sheet and circles for boilers, pressure vessels and hot
water storage units
!EN 1759-3:2003", Flanges and their joints — Circular flanges for pipes, valves, fittings and
accessories, Class designated — Part 3: Copper alloy flanges
EN 1982:2008, Copper and copper alloys — Ingots and castings
EN 12163:2011, Copper and copper alloys — Rod for general purposes
EN 12420:2014, Copper and copper alloys — Forgings
EN 12449:2012, Copper and copper alloys — Seamless, round tubes for general purposes
EN 12516-2:2014, Industrial valves — Shell design strength — Part 2: Calculation method for steel valve
shells
CEN/TS 13388:2013, Copper and copper alloys — Compendium of compositions and products
EN 13445-8:2009, Unfired pressure vessels — Part 8: Additional requirements for pressure vessels of
aluminium and aluminium alloys
!ISO 7005-3:1988", Metallic flanges — Part 3: Copper alloy and composite flanges
3 Symbols and units
Table 1 — Symbols and units
Symbol Characteristic Unit
f nominal design stress MPa
f nominal design stress for design conditions at temperature t °C MPa
d/t
f nominal design stress for design conditions at 20 °C MPa
d/20
R minimum tensile strength MPa
m
R Tensile strength at 20 °C MPa
m/20
R tensile strength at temperature t °C MPa
m/t
R minimum 0,1 %-proof strength MPa
p0,1
R minimum 0,2 %-proof strength MPa
p0,2
R 0,2 % — proof strength at temperature t °C MPa
p0,2/t
R 1,0 % — proof strength at temperature t °C MPa
p1,0/t
4 Interrelation of thickness definitions
For interrelation of thickness definitions refer to EN 12516-2:2014, Clause 4.
5 Requirements
5.1 General
The calculation method for a valve shell in materials other than steel shall be in accordance with
EN 12516-2. The choice of materials and their parameters shall be taken from the following clauses of
this European Standard.
5.2 Materials — Cast iron
5.2.1 Allowable grades
Materials shall be in accordance with Table 2.
Table 2 — Allowable cast iron material types and grades
Designation
Cast iron material type EN-standard
Symbol Number
a 5.1300
EN-GJL-200
Grey cast iron EN 1561
5.1301
EN-GJL-250
EN-GJMB-300-6 5.4100
Malleable cast iron EN 1562
EN-GJMB-350-10 5.4101
EN-GJS-350-22-LT 5.3100
EN-GJS-350-22-RT 5.3101
EN-GJS-400-18-LT 5.3103
EN-GJS-400-18-RT 5.3104
Spheroidal graphite cast iron EN 1563 EN-GJS-400-18 5.3105
EN-GJS-400-15 5.3106
EN-GJS-500-7 5.3200
EN-GJS-600-3 5.3201
EN-GJS-700-2 5.3300
a
Grade EN-GJL-200 shall not be used for valves with flanged connections PN 25 or above.
Material properties shall be taken from the standards listed in Table 2.
5.2.2 Strength values
Tensile strength values for grey cast iron shall be taken from EN 1561.
For the tensile strength value of malleable iron grade EN-GJMB-300-6, to be used in the calculation,
300 MPa shall be taken.
The strength values for malleable cast iron grade EN-GJMB-350-10 shall be in accordance with Table 3.
Table 3 — Malleable cast iron — Strength values
Strength characteristics R at calculation temperature in °C
p0,2/t
Material designation 20 100 150 200
...