EN 12516-4:2008

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

This part of EN 12516 specifies the calculation method for valve shells manufactured in metallic materials other than steel. The loadings to be accounted for should be in accordance with EN 12516-2.
Design methods should be 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

Dieser Teil der EN 12516 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 partie de l'EN 12516 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 izračuna ohišja iz nejeklenih kovinskih materialov

General Information

• Status: Withdrawn
• Publication Date: 29-Jan-2008
• Withdrawal Date: 28-Oct-2014
• ICS: 23.060.01 - Valves in general
• Technical Committee: CEN/TC 69 - Industrial valves
• Drafting Committee: CEN/TC 69/WG 1 - Basic standards
• Current Stage: 9960 - Withdrawal effective - Withdrawal
• Completion Date: 29-Oct-2014
• Directive: 97/23/EC - 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
• Mandate: M/071 - Mandate to CEN for standardization in the field of Pressure equipment
• Ref Project: SIST EN 12516-4:2008 - Industrial valves - Shell design strength - Part 4: Calculation method for valve shells manufactured in metallic materials other than steel

Relations

• Replaced By: EN 12516-4:2014 - Industrial valves - Shell design strength - Part 4: Calculation method for valve shells manufactured in metallic materials other than steel
• Effective Date: 05-Nov-2014

Standards Content (Sample)

SLOVENSKI STANDARD
01-oktober-2008
,QGXVWULMVNLYHQWLOL7UGQRVWRKLãMDGHO0HWRGDL]UDþXQDRKLãMDL]QHMHNOHQLK
NRYLQVNLKPDWHULDORY
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 autres que l'acier
Ta slovenski standard je istoveten z: EN 12516-4:2008
ICS:
23.060.01 Ventili na splošno Valves in general
2003-01.Slovenski inštitut za standardizacijo. Razmnoževanje celote ali delov tega standarda ni dovoljeno.

EUROPEAN STANDARD
EN 12516-4
NORME EUROPÉENNE
EUROPÄISCHE NORM
January 2008
ICS 23.060.01
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 Stahl
métalliques autres que l'acier
This European Standard was approved by CEN on 14 December 2007.
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 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 Management Centre has the same status as the
official versions.
CEN members are the national standards bodies of Austria, Belgium, Bulgaria, Cyprus, Czech Republic, Denmark, Estonia, Finland,
France, Germany, Greece, Hungary, Iceland, Ireland, Italy, Latvia, Lithuania, Luxembourg, Malta, Netherlands, Norway, Poland, Portugal,
Romania, Slovakia, Slovenia, Spain, Sweden, Switzerland and United Kingdom.
EUROPEAN COMMITTEE FOR STANDARDIZATION
COMITÉ EUROPÉEN DE NORMALISATION
EUROPÄISCHES KOMITEE FÜR NORMUNG
Management Centre: rue de Stassart, 36  B-1050 Brussels
© 2008 CEN All rights of exploitation in any form and by any means reserved Ref. No. EN 12516-4:2008: E
worldwide for CEN national Members.

Contents Page
Foreword.3
1 Scope .4
2 Normative references .4
3 Symbols and units.5
4 Interrelation of thickness definitions.6
5 Requirements.6
5.1 General.6
5.2 Materials — Cast iron .7
5.2.1 General.7
5.2.2 Calculation parameters .7
5.2.3 Pressure/temperature ratings for cast iron.8
5.2.4 Welding .8
5.3 Materials — Wrought copper alloys.9
5.3.1 General.9
5.3.2 Calculation parameters .10
5.3.3 Pressure/temperature ratings for wrought copper alloy .12
5.4 Materials — Wrought aluminium alloys .13
5.4.1 Calculation parameters .13
5.4.2 Pressure/temperature ratings for wrought aluminium alloys .13
5.5 Allowable stresses.15
Annex ZA (informative) Relationship between this European Standard and the Essential
Requirements of EU Directive 97/23/EC .16
Bibliography .17

Foreword
This document (EN 12516-4:2008) 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 July 2008, and conflicting national standards shall be withdrawn at the
latest by July 2008.
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 has been prepared under a mandate given to CEN by the European Commission and the
European Free Trade Association, and supports essential requirements of EU Directive 97/23.
For relationship with EU Directive(s), see informative Annex ZA, which is an integral part of this document.
EN 12516, Industrial valves — Shell design strength, consists of four parts:
 Part 1: Tabulation method for steel valve shells
 Part 2: Calculation method for steel valve shells
 Part 3: Experimental method
 Part 4: Calculation method for valve shells manufactured in metallic materials other than steel
According to the CEN/CENELEC Internal Regulations, the national standards organizations of the following
countries are bound to implement this European Standard: Austria, Belgium, Bulgaria, Cyprus, Czech
Republic, Denmark, Estonia, Finland, France, Germany, Greece, Hungary, Iceland, Ireland, Italy, Latvia,
Lithuania, Luxembourg, Malta, Netherlands, Norway, Poland, Portugal, Romania, Slovakia, Slovenia, Spain,
Sweden, Switzerland and the United Kingdom.
1 Scope
This part of EN 12516 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 referenced documents are indispensable for the application of this document. 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, Aluminium and aluminium alloys — Sheet, strip and plate — Part 2: Mechanical properties
EN 573-3:2007, Aluminium and aluminium alloys - Chemical composition and form of wrought products - Part
3: Chemical composition and form of products
EN 586-2, Aluminium and aluminium alloys — Forgings — Part 2: Mechanical properties and additional
property requirements
EN 754-2, Aluminium and aluminium alloys - Cold drawn rod/bar and tube - Part 2: Mechanical properties
EN 755-2, 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 1561:1997, Founding — Grey cast irons
EN 1562:1997, Founding — Malleable cast irons
EN 1563:1997, 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 1982:1998, Copper and copper alloys — Ingots and castings
EN 12163:1998, Copper and copper alloys — Rod for general purposes
EN 12420:1999, Copper and copper alloys — Forgings
EN 12449:1999, Copper and copper alloys — Seamless, round tubes for general purposes
EN 12516-2:2004, Industrial valves — Shell design strength — Part 2: Calculation method for steel valve
shells
EN 12982:2000, Industrial valves - End-to-end and centre-to-end dimensions for butt welding end valves
ISO 7005-2, Metallic flanges — Part 2: Cast iron flanges
ISO 7005-3, Metallic flanges — Part 3: Copper alloy and composite flanges
3 Symbols and units
Table 1 — Symbols and units
Symbol Characteristic Unit
c tolerance mm
c corrosion allowance mm
e wall thickness mm
f nominal design stress MPa or N/mm
f Maximum value of the nominal design stress for normal operation load cases MPa or N/mm
d
f nominal design stress for design conditions at temperature t °C MPa or N/mm
d/t
R minimum tensile strength N/mm , MPa
m
R tensile strength at temperature t °C MPa or N/mm
m/t
R minimum 0,1 %-proof strength at temperature t °C N/mm , MPa
p0,1
R minimum 0,2 %-proof strength N/mm , MPa
p0,2
R 0,2 % — proof strength at temperature t °C
MPa or N/mm
p0,2/t
R 1,0 % — proof strength at temperature t °C
MPa or N/mm
p1,0/t
TS
maximum/minimum allowable temperature °C
ε extra thickness due to casting process mm
casting tolerance mm
δ
4 Interrelation of thickness definitions

Key
e calculated wall thickness
c
e minimum wall thickness including corrosion allowance
min
c corrosion allowance
c ε + δ manufacturer allowance c
1 = 1
e e total wall thickness
0 , 1
Figure 1 — Interrelation of thicknesses definitions
The manufacturer shall decide the thickness allowance for corrosion or other chemical attack.
5 Requirements
5.1 General
When materials specified in following tables are not available, other suitable materials may be used when the
technical documentation defining the characteristics of these materials has been accepted in accordance with
the requirements for European Approval for Materials (EAM) or Particular Material Appraisal (PMA).
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 General
Materials shall be in accordance with Table 2.
Table 2 — Allowable material grades
Designation
R
m
Graphite structure Standard
N/mm
Symbol Number
a
EN 1561 EN-GJL-200 EN-JL1030
Grey cast iron
EN 1561 EN-GJL-250 EN-JL1040
EN 1563 350 EN-GJS-350-22-LT EN-JS1015
EN 1563 350 EN-GJS-350-22U-LT EN-JS1019
EN 1563 350 EN-GJS-350-22-RT EN-JS1014
EN 1563 400 EN-GJS-400-18 EN-JS1020
EN 1563 400 EN-GJS-400-18-LT EN-JS1025
EN 1563 400 EN-GJS-400-18-RT EN-JS1024
Spheroidal graphite cast iron
EN 1563 400 EN-GJS-400-15 EN-JS1030
EN 1563 400 EN-GJS-400-18U-LT EN-JS1049
EN 1563 500 EN-GJS-500-7 EN-JS1050
EN 1563 600 EN-GJS-600-3 EN-JS1060
EN 1563 700 EN-GJS-700-2 EN-JS1070
EN 1562 300 EN-GJMB-300-6 EN-JM1110
Malleable cast iron
EN 1562 350 EN-GJMB-350-10 EN-JM1130
a
Grade 200 shall not be used for valves with flanged connections PN 25 or above.
Material properties shall be taken from the material standards listed in Table 2.
5.2.2 Calculation parameters
Calculation parameters shall be in accordance with Table 3 to Table 4
Table 3 — Strength values for wall thickness up to 60 mm
Strength characteristics R at operating temperature in °C
p0,2
Characteristic
Material grade
20 100 150 200 250 300 350
value
N/mm
EN-GJS-700-2/2U R 420 400 390 370 350 320 280
p0,2
EN-GJS-600-3/3U R 370 350 340 320 300 270 220
p0,2
EN-GJS-500-7/7U R 320 300 290 270 250 230 200
p0,2
ENGJS-400-15/15U R 250 240 230 210 200 180 160
p0,2
EN-GJS-400-18/18U-LT R 240 230 220 200 190 170 150
p0,2
EN-GJS-350-22/22U-LT R 220 210 200 180 170 150 140
p0,2
Table 4 — Strength values for wall thickness > 60
...