Industrial valves - Shell design strength - Part 4: Calculation method for valve shells manufactured in metallic materials other than steel

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.

Industriearmaturen - Gehäusefestigkeit - Teil 4: Berechnungsverfahren für drucktragende Gehäuse von Armaturen aus anderen metallischen Werkstoffen als Stahl

Diese Europäische Norm legt das Berechnungsverfahren für drucktragende Gehäuse von Armaturen aus anderen metallischen Werkstoffen als Stahl fest. Die zu berücksichtigenden Beanspruchungen müssen EN 12516-2 entsprechen.
Konstruktionsverfahren müssen EN 12516-2 und die Konstruktionsberechnung den jeweiligen zutreffenden Abschnitten entsprechen.

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

La présente Norme européenne spécifie la méthode de calcul relative aux enveloppes d'appareils de robinetterie en matériaux métalliques autres que l’acier. Les cas de charge à prendre en compte sont conformes à l’EN 12516-2.
Les méthodes de conception sont conformes à l'EN 12516-2, pour la conception par formules selon les paragraphes appropriés.

Industrijski ventili - Trdnost ohišja - 4. del: Metoda za izračun ohišij ventilov iz nejeklenih kovinskih materialov

Ta evropski standard določa metodo za izračun za ohišja ventilov iz nejeklenih kovinskih materialov. Obremenitve, ki morajo biti obravnavane, so v skladu s standardom EN 12516-2.
Metode načrtovanja so v skladu s standardom EN 12516-2, načrtovanje po formuli v skladu z ustreznimi točkami.

General Information

Status
Published
Publication Date
11-Sep-2018
Current Stage
9000 - Start of review/2 Year Review Enquiry - Review Enquiry
Due Date
29-Oct-2019
Completion Date
29-Oct-2019

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SLOVENSKI STANDARD
SIST EN 12516-4:2015+A1:2018
01-december-2018
1DGRPHãþD
SIST EN 12516-4:2015

,QGXVWULMVNLYHQWLOL7UGQRVWRKLãMDGHO0HWRGD]DL]UDþXQRKLãLMYHQWLORYL]

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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.

---------------------- Page: 1 ----------------------
SIST EN 12516-4:2015+A1:2018
---------------------- Page: 2 ----------------------
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.
---------------------- Page: 3 ----------------------
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

---------------------- Page: 4 ----------------------
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.
---------------------- Page: 5 ----------------------
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

---------------------- Page: 6 ----------------------
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
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.
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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

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.

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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

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

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
Material symbol
Temperature limits
accordance with
Cu-DHP CW024A EN 1
...

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