SIST EN 12516-4:2015+A1:2018

SLOVENSKI STANDARD
SIST EN 12516-4:2015+A1:2018
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
SIST EN 12516-4:2015+A1:2018 en,fr,de
2003-01.Slovenski inštitut za standardizacijo. Razmnoževanje celote ali delov tega standarda ni dovoljeno.

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SIST EN 12516-4:2015+A1:2018

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SIST EN 12516-4:2015+A1:2018


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.

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SIST EN 12516-4:2015+A1:2018
EN 12516-4:2014+A1:2018 (E)
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

2

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SIST EN 12516-4:2015+A1:2018
EN 12516-4:2014+A1:2018 (E)
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.
3

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SIST EN 12516-4:2015+A1:2018
EN 12516-4:2014+A1:2018 (E)
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
4

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SIST EN 12516-4:2015+A1:2018
EN 12516-4:2014+A1:2018 (E)
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.
5

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SIST EN 12516-4:2015+A1:2018
EN 12516-4:2014+A1:2018 (E)
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 20 100 150 200 250 300 350
MPa
EN-GJMB-350-10 200 190 180 160 150 140 120
The strength values for spheroidal graphite cast iron grades shall be in accordance with Table 4, 5 or 6.
6

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SIST EN 12516-4:2015+A1:2018
EN 12516-4:2014+A1:2018 (E)
Table 4 — Spheroidal graphite cast iron — Strength values for wall thickness up to 30 mm
Strength characteristics R at calculation temperature in °C
p0,2/t
Material designation 20 100 150 200 250 300 350
MPa
EN-GJS-350-22 LT 220 210 200 180 170 150 140
EN-GJS-350-22 RT 220 210 200 180 170 150 140
EN-GJS-400-18 LT 240 230 220 200 190 170 150
EN-GJS-400-18 RT 250 240 230 210 200 180 160
EN-GJS-400-18 250 240 230 210 200 180 160
EN-GJS-400-15 250 240 230 210 200 180 160
EN-GJS-500-7 320 300 290 270 250 230 200
EN-GJS-600-3 370 350 340 320 300 270 220
EN-GJS-700-2 420 400 390 370 350 320 280
Table 5 — Spheroidal graphite cast iron — Strength values for wall thickness > 30 mm up to 60
mm
Strength characteristics R at calculation temperature in °C
p0,2/t
Material designation 20 100 150 200 250 300 350
MPa
EN-GJS-350-22 LT 210 200 190 170 160 145 130
EN-GJS-350-22 RT 220 210 200 180 170 150 140
EN-GJS-400-18 LT 230 220 210 190 180 165 145
EN-GJS-400-18 RT 250 240 230 210 200 180 160
EN-GJS-400-18 250 240 230 210 200 180 160
EN-GJS-400-15 250 240 230 210 200 180 160
EN-GJS-500-7 300 275 265 245 225 205 180
EN-GJS-600-3 360 325 315 300 280 255 205
EN-GJS-700-2 400 370 360 345 325 300 265
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SIST EN 12516-4:2015+A1:2018
EN 12516-4:2014+A1:2018 (E)
Table 6 — Spheroidal graphite cast iron — Strength values for wall thickness > 60 mm up to 200
mm
Strength characteristics R at calculation temperature in °C
p0,2/t
Material designation 20 100 150 200 250 300 350
MPa
EN-GJS-350-22 LT 200 190 180 160 150 140 120
EN-GJS-350-22 RT 200 190 180 160 150 140 120
EN-GJS-400-18 LT 220 210 200 200 170 160 140
EN-GJS-400-18 RT 240 220 210 210 180 170 150
EN-GJS-400-18 240 220 210 210 180 170 150
EN-GJS-400-15 240 220 210 210 180 170 150
EN-GJS-500-7 290 250 240 220 200 180 160
EN-GJS-600-3 340 300 290 280 260 240 190
EN-GJS-700-2 380 340 330 320 300 280 250
5.2.3 Pressure/temperature ratings for cast iron
5.2.3.1 The pressure/temperature ratings shall comply with EN 1092-2.
5.2.3.2 !The use of valves at temperatures lower than −10 °C is permitted, provided that their shells
and bonnets are manufactured in spheroidal graphite cast iron of grades EN-GJS-350-22-LT or
EN-GJS-400-18-LT, see Table 7. For temperatures lower than −10 °C, the maximum allowable pressure
shall not be higher than the maximum pressure of the PN rating (e.g. 10 bar for PN 10, 25 bar for
PN 25). The lowest calculation temperature shall not be less than the temperature specified for Charpy
impact testing in accordance with EN 1563.
Table 7 — Allowable material grades for low temperature (LT) design conditions
Symbol Number Temperature limits
EN-GJS-350-22-LT 5.3100 −40 °C to 350 °C
EN-GJS-400-18-LT 5.3103 −20 °C to 350 °C
"
5.2.4 Welding
Repair welding on spheroidal and malleable cast iron may be carried out at the foundry only if it is
approved by the customer.
Production or repair welding shall not be carried out on parts manufactured from grey cast iron.
5.3 Materials — Wrought copper alloys
5.3.1 !General
Materials shall be in accordance with Table 8. The material condition designation should be selected in
accordance with the requirements of the European legislation for pressure equipment.
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SIST EN 12516-4:2015+A1:2018
EN 12516-4:2014+A1:2018 (E)
Table 8 — Allowable material grades
Material number
Material composition in
a
Material symbol
Temperature limits
accordance with
EN
Cu-DHP CW024A EN 1
...