DIN EN 13555-2014 Flanges and their joints - Gasket parameters and test procedures relevant to the design rules for gasketed circular flange connections German version EN 13555 201.pdf

1、July 2014 Translation by DIN-Sprachendienst.English price group 16No 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).ICS 2

2、3.040.60; 23.040.80!%2“2159759www.din.deDDIN EN 13555Flanges and their joints Gasket parameters and test procedures relevant to the design rules forgasketed circular flange connections;English version EN 13555:2014,English translation of DIN EN 13555:2014-07Flansche und ihre Verbindungen Dichtungske

3、nnwerte und Prfverfahren fr die Anwendung der Regeln fr die Auslegungvon Flanschverbindungen mit runden Flanschen und Dichtungen;Englische Fassung EN 13555:2014,Englische bersetzung von DIN EN 13555:2014-07Brides et leurs assemblages Paramtres de joints et procdures dessai relatives aux rgles de cal

4、cul desassemblages brides circulaires avec joint;Version anglaise EN 13555:2014,Traduction anglaise de DIN EN 13555:2014-07SupersedesDIN EN 13555:2005-02www.beuth.deIn case of doubt, the German-language original shall be considered authoritative.Document comprises 36 pages 06.14 DIN EN 13555:2014-07

5、 2 A comma is used as the decimal marker. National foreword This document (EN 13555:2014) has been prepared by Technical Committee CEN/TC 74 “Flanges and their joints” (Secretariat: DIN, Germany). The responsible German body involved in its preparation was the Normenausschuss Rohrleitungen und Dampf

6、kesselanlagen (Piping and Boiler Plant Standards Committee), Working Committee NA 082-00-16 AA Flansche und ihre Verbindungen. Amendments This standard differs from DIN EN 13555:2005-02 as follows: a) in Clause 3 the list of definitions has been revised; b) in Clause 4 the list of symbols has been r

7、evised; c) a new Subclause 6.3 specifying test requirements for metal foils has been added; d) Subclause 6.4 on surface finish has been revised; e) Subclauses 7.2 and 7.3 on test gaskets have been revised; f) Clause 8 on test procedures, including Figures 1a to 6, has been fully revised; g) in Claus

8、e 9 the requirements regarding test reports have been revised; h) Annex F on the relationship between sealing parameters obtained as in EN 13555 and those obtained with the PVRC method has been revised; i) a new informative Annex G on the determination of the sealing characteristic of strip sealing

9、materials available in coil form has been added; j) a new informative Annex H on the proposed method for the determination of the coefficient of static friction of gaskets has been added; k) the standard has been editorially revised. Previous editions DIN V 28090: 1989-01 DIN 28090-1: 1995-09 DIN EN

10、 13555: 2005-02 EUROPEAN STANDARD NORME EUROPENNE EUROPISCHE NORM EN 13555 April 2014 ICS 23.040.60; 23.040.80 Supersedes EN 13555:2004English Version Flanges and their joints - Gasket parameters and test procedures relevant to the design rules for gasketed circular flange connections Brides et leur

11、s assemblages - Paramtres de joints et procdures dessai relatives aux rgles de calcul des assemblages brides circulaires avec joint Flansche und ihre Verbindungen - Dichtungskennwerte und Prfverfahren fr die Anwendung der Regeln fr die Auslegung von Flanschverbindungen mit runden Flanschen und Dicht

12、ungen This European Standard was approved by CEN on 28 February 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 bibliographi

13、cal 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

14、 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

15、Macedonia, France, Germany, Greece, 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

16、 EUROPISCHES KOMITEE FR NORMUNG 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 13555:2014 EEN 13555:2014 (E) 2 Contents Page Foreword 4 Introduction .5 1 Scope

17、6 2 Normative references 6 3 Terms and definitions .7 4 Symbols 8 5 List of gasket parameters .9 6 Test equipment 9 6.1 Design .9 6.2 Test platens 9 6.3 Metal Foils . 10 6.4 Surface finish 10 6.5 Measurement of gasket thickness 10 6.6 Loading 10 6.7 Temperature 10 6.8 Leakage measurement . 11 7 Test

18、 gaskets 11 7.1 Number of gaskets 11 7.2 Procurement and identification of gaskets 11 7.3 Pre-conditioning of the gaskets 11 7.4 Dimensions of test gaskets . 11 7.5 Measurement of test gaskets as received 12 7.6 Influence of gasket dimensions 12 8 Test procedures 13 8.1 General . 13 8.2 Testing Stra

19、tegy 13 8.3 Reference gasket thickness 13 8.4 Compression curve 13 8.5 Determination of Qsmax14 8.6 Determination of the values of EG. 17 8.7 Determination of PQRand eGc. 19 8.8 Determination of Qmin(L)and Qsmin(L). 19 8.9 Determination of Qsmin(L)at elevated temperatures . 22 8.10 Determination of

20、axial coefficient of thermal expansion 22 8.11 Determination of the coefficient of static friction 23 9 Report details 23 Annex A (informative) Generalised test rig schematic . 24 Annex B (informative) Test rig schematic for compression and compression creep tests . 25 Annex C (informative) Test rig

21、 schematic for ambient temperature leakage measurement 26 Annex D (informative) Schematic of leakage rig allowing use of interchangeable face plate . 27 Annex E (informative) Transferability of measured leakage rates to service conditions . 28 DIN EN 13555:2014-07 EN 13555:2014 (E) 3 Annex F (inform

22、ative) The measurement of the sealing parameter Qsmin(L)after long term service simulating exposure to elevated temperature 29 Figure F.1 The measurement of sealing parameters of heat aged gaskets . 29 Annex G (informative) Determination of the sealing characteristics of strip sealing materials avai

23、lable in coil form . 31 Annex H (informative) Proposed method for the determination of the coefficient of static friction, nullG, of gaskets 32 Bibliography 34 DINEN 13555:2014-07EN 13555:2014 (E) 4 Foreword This document (EN 13555:2014) has been prepared by Technical Committee CEN/TC 74 “Flanges an

24、d their joints”, the secretariat of which is held by DIN. 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 October 2014, and conflicting national standards shall be withdrawn at the latest by Octob

25、er 2014. 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 13555:2004. In comparison to EN 13555:2004 the fo

26、llowing changes have been made: a) in Clause 3 the list of definitions has been revised; b) in Clause 4 the list of symbols has been revised; c) a new sub-clause 6.3 with testing requirements for metal foils has been added; d) sub-clause 6.4 on surface finish has been revised; e) sub-clauses 7.2 and

27、 7.3 on test gaskets have been revised; f) Clause 8 including Figure 1a) to Figure 6 on testing procedures has been completely revised; g) in Clause 9 the report details have been revised; h) Annex F on relationship of gasket parameters in EN 13555 with those from PVRC method has been revised; i) a

28、new informative Annex G on determination of the sealing characteristics of strip sealing materials available in coil form has been added; j) a new informative Annex H on the proposed method for the determination of the coefficient of static friction of gaskets has been added. According to the CEN-CE

29、NELEC Internal Regulations, the national standards organizations 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,

30、Iceland, Ireland, Italy, Latvia, Lithuania, Luxembourg, Malta, Netherlands, Norway, Poland, Portugal, Romania, Slovakia, Slovenia, Spain, Sweden, Switzerland, Turkey and the United Kingdom. DINEN 13555:2014-07EN 13555:2014(E)5 Introduction This document provides the test procedures to allow the gene

31、ration of the gasket parameters to enable the design equations established in EN 1591-1 to be employed. The same test procedures may be used for “Type Testing” of gaskets and gasket materials. These procedures are not for routine quality control purposes. DINEN 13555:2014-07EN 13555:2014 (E) 6 1 Sco

32、pe This European Standard specifies the gasket parameters required by EN 1591-1 and provides the test procedures for establishing the values of these parameters. Gaskets which are wholly based upon elastomers, or based upon elastomers with only the inclusion of particulate fillers or particulate rei

33、nforcement, as opposed to gaskets combining elastomers, fillers and fibrous reinforcement, are beyond the scope of this document. NOTE The testing procedures given might be applicable to gaskets of other shapes and dimensions. 2 Normative references The following documents, in whole or in part, are

34、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 1092 (all parts), Flanges and their joints Circular fl

35、anges for pipes, valves, fittings and accessories, PN designated EN 1514-1, Flanges and their joints - Dimensions of gaskets for PN-designated flanges - Part 1: Non-metallic flat gaskets with or without inserts EN 1514-2, Flanges and their joints - Gaskets for PN-designated flanges - Part 2: Spiral

36、wound gaskets for use with steel flanges EN 1514-3, Flanges and their joints - Dimensions of gaskets for PN-designated flanges - Part 3: Non-metallic PTFE envelope gaskets EN 1514-4, Flanges and their joints - Dimensions of gaskets for PN-designated flanges - Part 4: Corrugated, flat or grooved meta

37、llic and filled metallic gaskets for use with steel flanges EN 1514-6, Flanges and their joints - Dimensions of gaskets for PN-designated flanges - Part 6: Covered serrated metal gaskets for use with steel flanges EN 1514-7, Flanges and their joints - Gaskets for PN-designated flanges - Part 7: Cove

38、red metal jacketed gaskets for use with steel flanges EN 1591-1, Flanges and their joints - Design rules for gasketed circular flange connections - Part 1: Calculation EN 1759 (all parts), Flanges and their joint - Circular flanges for pipes, valves, fittings and accessories, Class designated EN 125

39、60-1, Flanges and their joints - Gaskets for Class-designated flanges - Part 1: Non-metallic flat gaskets with or without inserts EN 12560-2, Flanges and their joints - Dimensions of gaskets for Class-designated flanges - Part 2: Spiral wound gaskets for use with steel flanges EN 12560-3, Flanges an

40、d their joints - Gaskets for Class-designated flanges - Part 3: Non-metallic PTFE envelope gaskets EN 12560-4, Flanges and their joints - Gaskets for Class-designated flanges - Part 4: Corrugated, flat or grooved metallic and filled metallic gaskets for use with steel flanges DINEN 13555:2014-07EN 1

41、3555:2014 (E) 7 EN 12560-5, Flanges and their joints - Gaskets for Class-designated flanges - Part 5: Metallic ring joint gaskets for use with steel flanges EN 12560-6, Flanges and their joints - Gaskets for Class-designated flanges - Part 6: Covered serrated metal gaskets for use with steel flanges

42、 EN 12560-7, Flanges and their joints - Gaskets for Class-designated flanges - Part 7: Covered metal jacketed gaskets for use with steel flanges 3 Terms and definitions For the purposes of this document, the following terms and definitions apply. 3.1 Qsmaxthe maximum surface pressure that may be imp

43、osed on the gasket at the indicated temperatures without collapse or “crash”, compressive failure, unacceptable intrusion into the bore or damage of the stressed area of the gasket such that failure was imminent 3.2 Qmin(L)the minimum gasket surface pressure on assembly required at ambient temperatu

44、re in order to seat the gasket into the flange facing roughness and close the internal leakage channels so that the tightness class is to the required level L for the internal test pressure 3.3 Qsmin(L)the minimum gasket surface pressure required under the service pressure conditions, (i.e.) after o

45、ff loading and at the service temperature, so that the required tightness class L is maintained for the internal test pressure 3.4 LNthe tightness classes are defined in Table 1 in terms of specific leak rates. Additional, better, tightness classes can be introduced as required by continuing the ser

46、ies Table 1 Tightness classes Tightness class LNL1,0L0,1L0,01Specific leak rate mg s- 1m- 1 1,0 0,1 0,01 3.5 PQRthis factor to allows for the effect on the imposed load of the relaxation of the gasket between the completion of bolt up and long term experience of the service temperature 3.6 EGthis is

47、 the unloading modulus of elasticity and it is determined from the thickness recovery of the gasket between the initial compression surface pressure and unloading to a third of this initial surface pressure 3.7 Gthis is the coefficient of thermal expansion of the gasket under the service conditions

48、of temperature and gasket surface pressure in the axial direction DIN EN 13555:2014-07 EN 13555:2014 (E) 8 3.8 eGcthis is the additional change in thickness of the gasket or sealing element due to creep between the completion of the loading and the end of the test period 3.9 Gthis is the static friction factor between the gasket and the flange facing during service conditions and under external loading 4 Symbols For the purposes of this document, the following notations apply. Where units are applicable, they are shown i