DIN EN 12516-4-2015 Industrial valves - Shell design strength - Part 4 Calculation method for valve shells manufactured in metallic materials other than steel German version EN 125.pdf

1、January 2015 Translation by DIN-Sprachendienst.English price group 12No part of this translation may be reproduced without prior permission ofDIN Deutsches Institut fr Normung e. V., Berlin. Beuth Verlag GmbH, 10772 Berlin, Germany,has the exclusive right of sale for German Standards (DIN-Normen).IC

2、S 23.060.01!%?DC“2283332www.din.deDDIN EN 12516-4Industrial valves Shell design strength Part 4: Calculation method for valve shells manufactured in metallicmaterials other than steel;English version EN 12516-4:2014,English translation of DIN EN 12516-4:2015-01Industriearmaturen Gehusefestigkeit Tei

3、l 4: Berechnungsverfahren fr drucktragende Gehuse von Armaturen aus anderenmetallischen Werkstoffen als Stahl;Englische Fassung EN 12516-4:2014,Englische bersetzung von DIN EN 12516-4:2015-01Robinetterie industrielle Rsistance mcanique des enveloppes Partie 4: Mthode de calcul relative aux enveloppe

4、s dappareils de robinetterie enmatriaux mtalliques autres que lacier;Version anglaise EN 12516-4:2014,Traduction anglaise de DIN EN 12516-4:2015-01SupersedesDIN EN 12516-4:2008-05www.beuth.deIn case of doubt, the German-language original shall be considered authoritative.Document comprises 23 pages

5、12.14 DIN EN 12516-4:2015-01 2 A comma is used as the decimal marker. National foreword This document (EN 12516-4:2014) has been prepared by Technical Committee CEN/TC 69 “Industrial valves” (Secretariat: AFNOR, France). The responsible German body involved in its preparation was the DIN-Normenaussc

6、huss Armaturen (DIN Standards Committee Valves), Working Committee NA 003-01-01 AA Grundnormen. Amendments This standard differs from DIN EN 12516-4:2008-05 as follows: a) normative references have been updated; b) Clause 4 “Interrelation of thickness definitions” has been revised; c) additional duc

7、tile iron materials have been added to Table 2; d) Subclause 5.2.2 “Strength values” has been revised; e) safety factors in Table 17 have been corrected to be in line with other practicable standards; f) Annex ZA has been revised. Previous editions DIN EN 12516-4: 2008-05 EUROPEAN STANDARD NORME EUR

8、OPENNE EUROPISCHE NORM EN 12516-4 October 2014 ICS 23.060.01 Supersedes EN 12516-4:2008English Version Industrial valves - Shell design strength - Part 4: Calculation method for valve shells manufactured in metallic materials other than steel Robinetterie industrielle - Rsistance mcanique des envelo

9、ppes - Partie 4: Mthode de calcul relative aux enveloppes dappareils de robinetterie en matriaux mtalliques autres que lacier Industriearmaturen - Gehusefestigkeit - Teil 4: Berechnungsverfahren fr drucktragende Gehuse von Armaturen aus anderen metallischen Werkstoffen als StahlThis European Standar

10、d was approved by CEN on 9 August 2014. 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

11、 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

12、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, Gr

13、eece, Hungary, Iceland, Ireland, Italy, Latvia, Lithuania, Luxembourg, Malta, Netherlands, Norway, Poland, Portugal, Romania, Slovakia, Slovenia, Spain, Sweden, Switzerland, Turkey and United Kingdom. EUROPEAN COMMITTEE FOR STANDARDIZATION COMIT EUROPEN DE NORMALISATION EUROPISCHES KOMITEE FR NORMUN

14、G CEN-CENELEC Management Centre: Avenue Marnix 17, B-1000 Brussels 2014 CEN All rights of exploitation in any form and by any means reserved worldwide for CEN national Members. Ref. No. EN 12516-4:2014 EEN 12516-4:2014 (E)2 Contents Page Foreword 3 1 Scope 4 2 Normative references 4 3 Symbols and un

15、its .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 val

16、ues . 10 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 . 13 5.4.3 Pressure/temperature ratings for wrought aluminium alloys 19 5.5 Allowable stresses 19 5.5.1 Aluminium and aluminium alloys - wrough

17、t 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 97/23/EC (PED) 20 Bibliography . 21 DINEN 12516-4:2015-01EN 12516-4:2014 (E)3 Foreword This document (EN 12516-4:2014) has been

18、 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 April 2015 and conflicting national stand

19、ards shall be withdrawn at the latest by April 2015. Attention is drawn to the possibility that some of the elements of this document may be the subject of patent rights. CEN and/or CENELEC shall not be held responsible for identifying any or all such patent rights. This document supersedes EN 12516

20、-4:2008. 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/EC. For relationship with EU Directive 97/23/EC, see informative Annex ZA, which is an integral part of

21、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 o

22、ther than steel (the present document). The main changes compared to the previous edition are: a) normative references have been updated; b) Clause 4 has been revised; c) additional ductile iron materials were added to Table 2; d) Subclause 5.2.2 has been revised; e) Safety factors in Table 17 have

23、been corrected to be in line with other practicable standards; f) Annex ZA has been revised. 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, Croatia, Cyprus,

24、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, Slovakia, Slovenia, Spain, Sweden, Switzerland, Turkey and the United Kin

25、gdom. DIN EN 12516-4:2015-01 EN 12516-4:2014 (E) 4 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-

26、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 lates

27、t 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

28、-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, Flanges and their joints Circular flanges for pipes, valves, fittings and acces

29、sories, PN designated Part 2: Cast iron flanges EN 1092-3, Flanges and their joints Circular flanges for pipes, valves, fittings and accessories, PN designated Part 3: Copper alloy flanges EN 1092-4, Flanges and their joints Circular flanges for pipes, valves, fittings and accessories, PN designated

30、 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-

31、3, 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

32、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 DIN EN 12516-4:2015-01 EN 12516-4:2014 (E) 5 CEN/TS 13388:2013, Copper and copper alloys Compendium o

33、f 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, Metallic flanges Part 3: Copper alloy and composite flanges 3 Symbols and units Table 1 Symbols and units Symbol Characteristic Uni

34、t f nominal design stress MPa fd/tnominal design stress for design conditions at temperature t C MPa fd/20nominal design stress for design conditions at 20 C MPa Rmminimum tensile strength MPa Rm/20Tensile strength at 20 C MPa Rm/ttensile strength at temperature t C MPa Rp0,1minimum 0,1 %-proof stre

35、ngth MPa Rp0,2minimum 0,2 %-proof strength MPa Rp0,2/t0,2 % proof strength at temperature t C MPa Rp1,0/t1,0 % proof strength at temperature t C MPa 4 Interrelation of thickness definitions For interrelation of thickness definitions refer to EN 12516-2:2014, Clause 4. 5 Requirements 5.1 General The

36、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

37、 with Table 2. DINEN 12516-4:2015-01EN 12516-4:2014 (E)6 Table 2 Allowable cast iron material types and grades Cast iron material type EN-standard Designation Symbol Number Grey cast iron EN 1561 EN-GJL-200aEN-GJL-250 5.1300 5.1301 Malleable cast iron EN 1562 EN-GJMB-300-6 EN-GJMB-350-10 5.4100 5.41

38、01 Spheroidal graphite cast iron EN 1563 EN-GJS-350-22-LT EN-GJS-350-22-RT EN-GJS-400-18-LT EN-GJS-400-18-RT EN-GJS-400-18 EN-GJS-400-15 EN-GJS-500-7 EN-GJS-600-3 EN-GJS-700-2 5.3100 5.3101 5.3103 5.3104 5.3105 5.3106 5.3200 5.3201 5.3300 aGrade EN-GJL-200 shall not be used for valves with flanged c

39、onnections 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 M

40、Pa 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 Material designation Strength characteristics Rp0,2/tat calculation temperature in C 20 100 150 200 250 300 350 MPa EN-GJMB-350-10 200

41、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. DIN EN 12516-4:2015-01 EN 12516-4:2014 (E)7 Table 4 Spheroidal graphite cast iron Strength values for wall thickness up to 30 mm Material designation Strength characteris

42、tics Rp0,2/tat calculation temperature in C 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-

43、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 Material designation Strength characteristics R

44、p0,2/tat calculation temperature in C 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-40

45、0-15 250 240 230 210 200 180 160 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 DIN EN 12516-4:2015-01 EN 12516-4:2014 (E)8 Table 6 Spheroidal graphite cast iron Strength values for wall thickness 60 mm up to 200 mm Material

46、 designation Strength characteristics Rp0,2/tat calculation temperature in C 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-400-1

47、8 240 220 210 210 180 170 150 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 wi

48、th EN 1092-2. 5.2.3.2 The use of valves at temperatures lower than those given in the tables for pressure/temperature ratings of EN 1092-2 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 below the lowest temperature given in the tables of ratings, the maximum allowable pressure shall not be higher