1、July 2017 English price group 21No 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 23.060.01!%h-z“2691087www.din.deDIN
2、 EN ISO 15848-1Industrial valves Measurement, test and qualification procedures for fugitive emissions Part 1: Classification system and qualification procedures for type testing of valves (ISO 158481:2015 + Amd.1:2017);English version EN ISO 158481:2015 + A1:2017,English translation of DIN EN ISO 1
3、5848-1:2017-07Industriearmaturen Mess, Prf und Qualifikationsverfahren fr flchtige Emissionen Teil 1: Klassifizierungssystem und Qualifikationsverfahren fr die Bauartprfung von Armaturen (ISO 158481:2015 + Amd.1:2017);Englische Fassung EN ISO 158481:2015 + A1:2017,Englische bersetzung von DIN EN ISO
4、 15848-1:2017-07Robinetterie industrielle Mesurage, essais et modes opratoires de qualification pour missions fugitives Partie 1: Systme de classification et modes opratoires de qualification pour les essais de type des appareils de robinetterie (ISO 158481:2015 + Amd.1:2017);Version anglaise EN ISO
5、 158481:2015 + A1:2017,Traduction anglaise de DIN EN ISO 15848-1:2017-07SupersedesDIN EN ISO 158481:201511www.beuth.deDocument comprises 53 pagesDTranslation by DIN-Sprachendienst.In case of doubt, the German-language original shall be considered authoritative.07.17 DIN EN ISO 15848-1:2017-07 2 A co
6、mma is used as the decimal marker. National foreword This document (EN ISO 15848-1:2015 + A1:2017) has been prepared by Technical Committee ISO/TC 153 “Valves” in collaboration with Technical Committee CEN/TC 69 “Industrial valves” (Secretariat: AFNOR, France). The responsible German body involved i
7、n its preparation was DIN-Normenausschuss Armaturen (DIN Standards Committee Valves), Working Committee NA 003-01-01 AA “Basic valves”. This standard includes Amendment 1 approved by CEN on 2017-03-15. The start and finish of text introduced or altered by amendment is indicated in the text by tags !
8、“. The DIN Standards corresponding to the International Standards referred to in this document are as follows: ISO 6708:1995 DIN EN ISO 6708:1995-09 ISO 286-1:2010 DIN EN ISO 286-1:2010-11 ISO 286-2:2010 DIN EN ISO 286-2:2010-11 Amendments This standard differs from DIN EN ISO 15848-1:2015-11 as fol
9、lows: a) Amendment EN ISO 15848-1:2015/A1:2017 has been incorporated. Previous editions DIN EN ISO 15848-1: 2006-04, 2015-11 DIN EN ISO 15848-1:2017-07 3 National Annex NA (informative) Bibliography DIN EN ISO 286-1:2010-11, Geometrical product specifications (GPS) ISO code system for tolerances on
10、linear sizes Part 1: Basis of tolerances, deviations and fits (ISO 286-1:2010) DIN EN ISO 286-2:2010-11, Geometrical product specifications (GPS) ISO code system for tolerances on linear sizes Part 2: Tables of standard tolerance classes and limit deviations for holes and shafts (ISO 286-2:2010) DIN
11、 EN ISO 6708:1995-09, Pipework components Definition and selection of DN (nominal size) (ISO 6708:1995) DIN EN ISO 15848-1:2017-07 4 This page is intentionally blank EUROPEAN STANDARD NORME EUROPENNE EUROPISCHE NORM EN ISO 15848-1 June 2015 + A1 March 2017 ICS 23.060.01 Supersedes EN ISO 15848-1:201
12、6 English Version Industrial valves Measurement, test and qualification procedures for fugitive emissions Part 1: Classification system and qualification procedures for type testing of valves (ISO 15848-1:2015 + Amd. 1:2017) Robinetterie industrielle Mesurage, essais et modes opratoires de qualifica
13、tion pour missions fugitives Partie 1: Systme de classification et modes opratoires de qualification pour les essais de type des appareils de robinetterie (ISO 15848-1:2015 + Amd. 1:2017) Industriearmaturen Mess-, Prf- und Qualifikationsverfahren fr flchtige Emissionen Teil 1: Klassifizierungssystem
14、 und Qualifikationsverfahren fr die Bauartprfung von Armaturen (ISO 15848-1:2015 + Amd. 1:2017) This European Standard was approved by CEN on 7 February 2015. Amendment A1 modifies the European Standard EN ISO 15848-1:2015; it was approved by CEN on 15 March 2017. CEN members are bound to comply wit
15、h the CEN/CENELEC Internal Regulations which stipulate the conditions for inclusion of this amendment into the relevant 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 Manag
16、ement Centre or to any CEN member. This amendment 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 t
17、he 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, Nethe
18、rlands, Norway, Poland, Portugal, Romania, Serbia, Slovakia, Slovenia, Spain, Sweden, Switzerland, Turkey and United Kingdom. EUROPEAN COMMITTEE FOR STANDARDIZATION COMIT EUROPEN DE NORMALISATION EUROPISCHES KOMITEE FR NORMUNG CEN-CENELEC Management Centre: Avenue Marnix 17, B-1000 Brussels 2017 CEN
19、 All rights of exploitation in any form and by any means reserved worldwide for CEN national Members. Ref. No. EN ISO 15848-1:2015 + A1:2017 E EN ISO 15848-1:2015 + A1:2017 (E) 2 Contents Page !European foreword to Amendment 1“ . 3 Foreword 4 Introduction 6 1 Scope 7 2 Normative references 7 3 Terms
20、 and definitions . 7 4 Symbols and abbreviations . 9 5 Type test 10 5.1 Test conditions 10 5.1.1 Preparation of a valve to be tested 10 5.1.2 Test fluid 10 5.1.3 Test temperature . 10 5.1.4 Measurement of test valve temperature . 10 5.1.5 Leakage measurement . 13 5.2 Test procedures 14 5.2.1 Safety
21、rules . 14 5.2.2 Test equipment . 14 5.2.3 Stem (or shaft) seal adjustment (SSA) 14 5.2.4 Test description 15 6 Performance classes . 17 6.1 Classification criteria 17 6.2 Tightness classes 17 6.2.1 Definition 17 6.2.2 Helium as test fluid 18 6.2.3 Methane as test fluid . 18 6.2.4 Correlations 18 6.
22、3 Endurance classes 18 6.3.1 Mechanical-cycle classes for isolating valves 18 6.3.2 Mechanical-cycle classes for control valves . 20 6.4 Temperature classes . 21 6.5 Examples of class designation . 22 6.6 Marking 22 7 Reporting 22 8 Extension of qualification to untested valves 23 Annex A (normative
23、) Total leak rate measurement . 25 Annex B (normative) Leak measurement using the sniffing method . 38 Annex C (informative) Leak rate conversion (helium) 47 Bibliography . 49 DIN EN ISO 15848-1:2017-07 European foreword . 3 EN ISO 15848-1:2015 + A1:2017 (E) This Amendment to the European Standard E
24、N ISO 15848-1:2015 shall be given the status of a national standard, either by publication of an identical text or by endorsement, at the latest by September 2017, and conflicting national standards shall be withdrawn at the latest by September 2017. Attention is drawn to the possibility that some o
25、f 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. According to the CEN-CENELEC Internal Regulations, the national standards organizations of the following countries are bound to impleme
26、nt 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, S
27、erbia, Slovakia, Slovenia, Spain, Sweden, Switzerland, Turkey and the United Kingdom. Endorsement notice The text of ISO 15848-1:2015/Amd 1:2017 has been approved by CEN as EN ISO 15848-1:2015/ A1:2017 without any modification.“ 3 DIN EN ISO 15848-1:2017-07 !European foreword to Amendment 1 This doc
28、ument (EN ISO 15848-1:2015/A1:2017) has been prepared by Technical Committee ISO/TC 153 “Valves” in collaboration with Technical Committee CEN/TC 69 “Industrial valves” the secretariat of which is held by AFNOR. oreword This document (EN ISO 15848-1:2015) has been prepared by Technical Committee ISO
29、/TC 153 “Valves” in collaboration with 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 December 2015, a
30、nd conflicting national standards shall be withdrawn at the latest by December 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. T
31、his document supersedes EN ISO 15848-1:2006. 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, Czech Republic, Denmark, Estonia, Finland, Forme
32、r 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 Kingdom. Endorsement notice The text of ISO 15848-1
33、:2015 has been approved by CEN as EN ISO 15848-1:2015 without any modification. European fForewordISO (the International Organization for Standardization) is a worldwide federation of national standards bodies (ISO member bodies). The work of preparing International Standards is normally carried out
34、 through ISO technical committees. Each member body interested in a subject for which a technical committee has been established has the right to be represented on that committee. International organizations, governmental and non-governmental, in liaison with ISO, also take part in the work. ISO col
35、laborates closely with the International Electrotechnical Commission (IEC) on all matters of electrotechnical standardization.The procedures used to develop this document and those intended for its further maintenance are described in the ISO/IEC Directives, Part 1. In particular the different appro
36、val criteria needed for the different types of ISO documents should be noted. This document was drafted in accordance with the editorial rules of the ISO/IEC Directives, Part 2 (see www.iso.org/directives).Attention is drawn to the possibility that some of the elements of this document may be the su
37、bject of patent rights. ISO shall not be held responsible for identifying any or all such patent rights. Details of any patent rights identified during the development of the document will be in the Introduction and/or on the ISO list of patent declarations received (see www.iso.org/patents).Any tra
38、de name used in this document is information given for the convenience of users and does not constitute an endorsement.For an explanation on the meaning of ISO specific terms and expressions related to conformity assessment, as well as information about ISOs adherence to the WTO principles in the Te
39、chnical Barriers to Trade (TBT), see the following URL: Foreword Supplementary information .The committee responsible for this document is ISO/TC 153, Valves, Subcommittee SC 1, Design, manufacture, marking and testing.This second edition cancels and replaces the first edition (ISO 15848-1:2006) whi
40、ch has been technically revised. The main changes are the following: leak rate at the stem seal (Table 1) is expressed in mbarls1per mm stem diameter; flushing method is replaced by accumulation or suck through method to measure leak rate from stem seal with Helium (Annex A); leakage is expressed in
41、 ppmv; leakage with methane is measured by sniffing; for tightness Class AH, leak rate 1,78107mbarls1mm1(105mgs1m1); the appropriate leak rate is given for Classes BH and CH; addition of Table 3 which gives tightness classes for stem (or shaft) seals with methane; there is no correlation intended be
42、tween the tightness classes when the test fluid is helium (Classes AH, BH, CH) and when the test fluid is methane (Classes AM, BM, CM); modification of the number of mechanical cycles for isolating valves; addition of Table 4; addition of Figures 3, 4, and 5; addition of type leak (A.1.3.4, B.1.4.2,
43、 B.1.6.1); modification of Figure B.2; modification of B.1.6.1 on calibration procedures; deletion of Figure B.3;EN ISO 15848-1:2015 + A1:2017 (E) 4 DIN EN ISO 15848-1:2017-07 addition of Table C.1 and modification of Table C.2.ISO 15848 consists of the following parts, under the general title Indus
44、trial valves Measurement, test and qualification procedures for fugitive emissions: Part 1: Classification system and qualification procedures for type testing of valves Part 2: Production acceptance test of valvesEN ISO 15848-1:2015 + A1:2017 (E) 5 DIN EN ISO 15848-1:2017-07 IntroductionThe objecti
45、ve of this part of ISO 15848 is to enable classification of performance of different designs and constructions of valves to reduce fugitive emissions.This part of ISO 15848 defines type test for evaluation and qualification of valves where fugitive emissions standards are specified.The procedures of
46、 this part of ISO 15848 can only be used with the application of necessary precautions for testing with flammable or inert gas at temperature and under pressure.EN ISO 15848-1:2015 + A1:2017 (E) 6 DIN EN ISO 15848-1:2017-07 1 ScopeThis part of ISO 15848 specifies testing procedures for evaluation of
47、 external leakage of valve stem seals (or shaft) and body joints of isolating valves and control valves intended for application in volatile air pollutants and hazardous fluids. End connection joints, vacuum application, effects of corrosion, and radiation are excluded from this part of ISO 15848.Th
48、is part of ISO 15848 concerns classification system and qualification procedures for type testing of valves.2 Normative referencesThe following documents, in whole or in part, are normatively referenced in this document and are indispensable for its application. For dated references, only the editio
49、n cited applies. For undated references, the latest edition of the referenced document (including any amendments) applies.ISO 5208, Industrial valves Pressure testing of metallic valvesEN 13185:2001, Non-destructive testing Leak testing Tracer gas method3 Terms and definitionsFor the purposes of this document, the following terms and definitions apply.3.1body sealsany seal in pressure containing
