BS EN ISO 15996-2017 Gas cylinders Residual pressure valves Specification and type testing of cylinder valves incorporating residual pressure devices《气瓶 残余压力阀 装有余压装置的钢瓶阀门的规范和型式试验》.pdf

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1、Gas cylinders - Residual pressure valves - Specification and type testing of cylinder valves incorporating residual pressure devices (ISO 15996:2017)BS EN ISO 15996:2017BSI Standards PublicationWB11885_BSI_StandardCovs_2013_AW.indd 1 15/05/2013 15:06EUROPEAN STANDARD NORME EUROPENNE EUROPISCHE NORM

2、EN ISO 15996 September 2017 ICS 23.020.35 Supersedes EN ISO 15996:2005English Version Gas cylinders - Residual pressure valves - Specification and type testing of cylinder valves incorporating residual pressure devices (ISO 15996:2017) Bouteilles gaz - Robinets pression rsiduelle - Spcifications et

3、essais de type de robinets de bouteille intgrant des dispositifs de pression rsiduelle (ISO 15996:2017) Gasflaschen - Restdruckventile - Spezifikation und Baumusterprfungen von Flaschenventilen mit integrierten Restdruckeinrichtungen (ISO 15996:2017) This European Standard was approved by CEN on 11

4、July 2017. 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 ob

5、tained 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

6、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, Irela

7、nd, Italy, Latvia, Lithuania, Luxembourg, Malta, Netherlands, 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 Managem

8、ent Centre: Avenue Marnix 17, B-1000 Brussels 2017 CEN All rights of exploitation in any form and by any means reserved worldwide for CEN national Members. Ref. No. EN ISO 15996:2017 ENational forewordThis British Standard is the UK implementation of EN ISO 15996:2017. It is identical to ISO 15996:2

9、017. It supersedes BS EN ISO 15996:2005+A1:2007, which is withdrawn.The UK participation in its preparation was entrusted to Technical Committee PVE/3/1, Gas containers - Valve fittings for gas containers.A list of organizations represented on this committee can be obtained on request to its secreta

10、ry.This publication does not purport to include all the necessary provisions of a contract. Users are responsible for its correct application. The British Standards Institution 2017 Published by BSI Standards Limited 2017ISBN 978 0 580 86209 0ICS 23.020.35Compliance with a British Standard cannot co

11、nfer immunity from legal obligations.This British Standard was published under the authority of the Standards Policy and Strategy Committee on 30 September 2017.Amendments/corrigenda issued since publicationDate Text affectedBRITISH STANDARDBS EN ISO 15996:2017EUROPEAN STANDARD NORME EUROPENNE EUROP

12、ISCHE NORM EN ISO 15996 September 2017 ICS 23.020.35 Supersedes EN ISO 15996:2005English Version Gas cylinders - Residual pressure valves - Specification and type testing of cylinder valves incorporating residual pressure devices (ISO 15996:2017) Bouteilles gaz - Robinets pression rsiduelle - Spcifi

13、cations et essais de type de robinets de bouteille intgrant des dispositifs de pression rsiduelle (ISO 15996:2017) Gasflaschen - Restdruckventile - Spezifikation und Baumusterprfungen von Flaschenventilen mit integrierten Restdruckeinrichtungen (ISO 15996:2017) This European Standard was approved by

14、 CEN on 11 July 2017. 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 standard

15、s 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 notif

16、ied 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, Ice

17、land, 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 COMIT EUROPEN DE NORMALISATION EUROPISCHES KOMITEE FR NORMUNG CEN-CENE

18、LEC Management Centre: Avenue Marnix 17, B-1000 Brussels 2017 CEN All rights of exploitation in any form and by any means reserved worldwide for CEN national Members. Ref. No. EN ISO 15996:2017 EBS EN ISO 15996:2017EN ISO 15996:2017 (E) 3 European foreword This document (EN ISO 15996:2017) has been

19、prepared by Technical Committee ISO/TC 58 “Gas cylinders” in collaboration with Technical Committee CEN/TC 23 “Transportable gas cylinders” the secretariat of which is held by BSI. This European Standard shall be given the status of a national standard, either by publication of an identical text or

20、by endorsement, at the latest by March 2018, and conflicting national standards shall be withdrawn at the latest by March 2018. 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

21、or all such patent rights. This document supersedes EN ISO 15996:2005. This document has been prepared under a mandate given to CEN by the European Commission and the European Free Trade Association. According to the CEN-CENELEC Internal Regulations, the national standards organizations of the follo

22、wing 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, N

23、orway, Poland, Portugal, Serbia, Romania, Slovakia, Slovenia, Spain, Sweden, Switzerland, Turkey and the United Kingdom. Endorsement notice The text of ISO 15996:2017 has been approved by CEN as EN ISO 15996:2017 without any modification. ISO 15996:2017(E)Foreword ivIntroduction vi1 Scope . 12 Norma

24、tive references 13 Terms and definitions . 14 RPV design considerations and requirements 34.1 Design considerations. 34.1.1 Resistance against vibration 34.1.2 Integrity under high flow . 44.2 Design requirements . 44.2.1 General 44.2.2 Valve outlet connection 44.3 Performance requirements for RPDs.

25、 44.3.1 Requirements for type 1 and type 2 RPDs . 44.3.2 Additional requirements for type 1 RPDs 55 RPV type testing 55.1 General . 55.2 Documentation . 65.3 Test samples 65.4 Test report . 75.5 Test temperatures 75.6 Test pressures 75.6.1 RPV test pressure 75.6.2 Other test pressures 75.7 Test gase

26、s . 75.7.1 Gas quality . 75.7.2 Verification of opening pressure and closing-off pressure 85.7.3 Leak tightness test in the reverse direction for type 1 RPDs . 85.7.4 Endurance test . 85.7.5 Oxygen pressure surge test. 85.7.6 Vibration test 85.7.7 Integrity under high flow test . 95.8 Test schedule

27、95.9 RPD performance tests . 105.9.1 Strength test of the non-return function in the reverse direction for type 1 RPDs .105.9.2 Verification of opening pressure and closing-off pressure.105.9.3 Endurance test 115.9.4 Leak tightness test in the reverse direction for type 1 RPDs 115.9.5 Visual examina

28、tion 126 Marking .12Annex A (informative) Design considerations .13Annex B (normative) Oxygen pressure surge test .14Annex C (informative) Vibration test 15Annex D (informative) Integrity under high flow test .16Annex E (informative) Examples of test equipment 18Bibliography .21 ISO 2017 All rights

29、reserved iiiContents PageBS EN ISO 15996:2017ISO 15996:2017(E)Foreword ivIntroduction vi1 Scope . 12 Normative references 13 Terms and definitions . 14 RPV design considerations and requirements 34.1 Design considerations. 34.1.1 Resistance against vibration 34.1.2 Integrity under high flow . 44.2 D

30、esign requirements . 44.2.1 General 44.2.2 Valve outlet connection 44.3 Performance requirements for RPDs. 44.3.1 Requirements for type 1 and type 2 RPDs . 44.3.2 Additional requirements for type 1 RPDs 55 RPV type testing 55.1 General . 55.2 Documentation . 65.3 Test samples 65.4 Test report . 75.5

31、 Test temperatures 75.6 Test pressures 75.6.1 RPV test pressure 75.6.2 Other test pressures 75.7 Test gases . 75.7.1 Gas quality . 75.7.2 Verification of opening pressure and closing-off pressure 85.7.3 Leak tightness test in the reverse direction for type 1 RPDs . 85.7.4 Endurance test . 85.7.5 Oxy

32、gen pressure surge test. 85.7.6 Vibration test 85.7.7 Integrity under high flow test . 95.8 Test schedule 95.9 RPD performance tests . 105.9.1 Strength test of the non-return function in the reverse direction for type 1 RPDs .105.9.2 Verification of opening pressure and closing-off pressure.105.9.3

33、Endurance test 115.9.4 Leak tightness test in the reverse direction for type 1 RPDs 115.9.5 Visual examination 126 Marking .12Annex A (informative) Design considerations .13Annex B (normative) Oxygen pressure surge test .14Annex C (informative) Vibration test 15Annex D (informative) Integrity under

34、high flow test .16Annex E (informative) Examples of test equipment 18Bibliography .21 ISO 2017 All rights reserved iiiContents PageBS EN ISO 15996:2017ISO 15996:2017(E)ForewordISO (the International Organization for Standardization) is a worldwide federation of national standards bodies (ISO member

35、bodies). The work of preparing International Standards is normally carried out 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

36、and non-governmental, in liaison with ISO, also take part in the work. ISO collaborates 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

37、described in the ISO/IEC Directives, Part 1. In particular the different approval 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

38、drawn to the possibility that some of the elements of this document may be the subject 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

39、on the ISO list of patent declarations received (see www .iso .org/ patents).Any trade name used in this document is information given for the convenience of users and does not constitute an endorsement.For an explanation on the voluntary nature of standards, the meaning of ISO specific terms and ex

40、pressions related to conformity assessment, as well as information about ISOs adherence to the World Trade Organization (WTO) principles in the Technical Barriers to Trade (TBT) see the following URL: www .iso .org/ iso/ foreword .html.This document was prepared by Technical Committee ISO/TC 58, Gas

41、 cylinders, Subcommittee SC 2, Cylinder fittings.This second edition cancels and replaces the first edition (ISO 15996:2005), which has been technically revised. It also incorporates the Amendment ISO 15996:2005/Amd 1:2007.The main changes compared to the previous edition are as follows:a) Title and

42、 scope: extension to cover the complete RPV (valve including the residual pressure device) and not the RPD (residual pressure device) only; informative reference to ISO 10297 was modified;b) Scope: inclusion of main valves, valves with integrated pressure regulator (VIPRs) and RPVs for pressure drum

43、s and tubes; exclusion of dissolved gases, possible application for RPD stand-alone devices;c) Terms, definitions and symbols: introduction of new definitions and adaptation of existing definitions; introduction of different types of RPDs to replace the old descriptions and change of order (type A b

44、ecame type 2 and type B became type 1);d) Valve design considerations: inclusion of design considerations with addition of informative Annex A;e) Performance requirements and considerations:1) Closing-off pressure and opening pressure: introduction of requirements for opening pressure and closing-of

45、f pressure, especially of a minimum value for the closing-off pressure;2) Endurance: reduction of number of endurance cycles for type 2 RPDs;3) Visual examination: introduction of visual examination at the end of the complete test procedure;iv ISO 2017 All rights reservedBS EN ISO 15996:2017ISO 1599

46、6:2017(E)ForewordISO (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 through ISO technical committees. Each member body interested in a subject for w

47、hich 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 collaborates closely with the International Electrotechnical Commission (IEC) on all

48、 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 approval criteria needed for the different types of ISO documents should be noted. Thi

49、s 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 subject 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 trade name used in this docume

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