DIN EN ISO 13341-2015 Gas cylinders - Fitting of valves to gas cylinders (ISO 13341 2010 + Amd 1 2015) German version EN ISO 13341 2010 + A1 2015《气瓶 气瓶阀门的装配(ISO 13341-2010+Amd 1-20.pdf

1、November 2015 English price group 9No 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 23.020.30; 23.060.40!%GNC“236433

2、2www.din.deDIN EN ISO 13341Gas cylinders Fitting of valves to gas cylinders (ISO 13341:2010 + Amd 1:2015);English version EN ISO 13341:2010 + A1:2015,English translation of DIN EN ISO 13341:2015-11Gasflaschen Eindrehen von Ventilen in Gasflaschen (ISO 13341:2010 + Amd 1:2015);Englische Fassung EN IS

3、O 13341:2010 + A1:2015,Englische bersetzung von DIN EN ISO 13341:2015-11Bouteilles gaz Montage des robinets sur les bouteilles gaz (ISO 13341:2010 + Amd 1:2015);Version anglaise EN ISO 13341:2010 + A1:2015,Traduction anglaise de DIN EN ISO 13341:2015-11SupersedesDIN EN ISO 13341:2011-02www.beuth.deD

4、ocument comprises 14 pagesDTranslation by DIN-Sprachendienst.In case of doubt, the German-language original shall be considered authoritative.11.15 DIN EN ISO 13341:2015-11 2 A comma is used as the decimal marker. National foreword This document (EN ISO 13341:2010 + A1:2015) has been prepared by Tec

5、hnical Committee ISO/TC 58 “Gas cylinders” in collaboration with Technical Committee CEN/TC 23 “Transportable gas cylinders” (Secretariat: BSI, United Kingdom). The responsible German body involved in its preparation was the DIN-Normenausschuss Druckgasanlagen (DIN Standards Committee Pressurized Ga

6、s Installations), Working Committee NA 016-00-03 AA Druckgasflaschen und Ausrstung. This standard includes Amendment A1 approved by CEN on 12 March 2015. The start and finish of text introduced or altered by amendment is indicated in the text by tags !“. Amendments This standard differs from DIN EN

7、ISO 13341:2011-02 as follows: a) Subclause 4.1 has been amended; b) Subclause 5.1 has been amended. Previous editions DIN EN ISO 13341: 1998-06, 2011-02 EUROPEAN STANDARD NORME EUROPENNE EUROPISCHE NORM EN ISO 13341 October 2010 + A1 June 2015 ICS 23.020.30 English Version Gas cylinders Fitting of v

8、alves to gas cylinders (ISO 13341:2010 + Amd 1:2015) Bouteilles gaz Montage des robinets sur les bouteilles gaz (ISO 13341:2010 + Amd 1:2015) Gasflaschen Eindrehen von Ventilen in Gasflaschen (ISO 13341:2010 + Amd 1:2015)EN ISO 13341:2010 was approved by CEN on 2010-09-25 and Amendment A1:2015 on 20

9、15-03-12. 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 obt

10、ained 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 C

11、EN-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, Irelan

12、d, 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 NORMUNG Management Centre: Avenue Ma

13、rnix 17, B-1000 Brussels 2015 CEN All rights of exploitation in any form and by any means reserved worldwide for CEN national Members. Ref. No. EN ISO 13341:2010 + A1:2015 EContents Page Foreword to EN ISO 13341:2010 3 !Foreword to EN ISO 13341:2010/A1:2015 .4 1 Scope 5 2 Normative references 5 3 Ge

14、neral requirements and recommendations 5 4 Preparation .6 5 Valving procedure for taper threaded valves .7 5.1 General 7 5.2 Wrapping with sealant tape 7 5.3 Application of soft metal caps 7 5.4 Valve torquing 7 6 Valving procedure for parallel threaded valves 8 7 Procedure for achieving valve align

15、ment for cylinders with fixed (e.g. welded) shroud and taper threads 8 Annex A (normative) Valving torques for threads in accordance with ISO 11363-1 and ISO 15245-1 .9 A.1 General 9 A.2 Valving torques for seamless steel cylinders and composite cylinders with steel boss 9 A.3 Valving torques for al

16、uminium alloy cylinders and composite cylinders with aluminium alloy boss .10 A.4 Valving torques for welded steel cylinders .10 Annex B (informative) Application of paste as sealant .11 B.1 General 11 B.2 Proposed procedure 11 Bibliography 12 EN ISO 13341:2010 + A1:2015 (E) 2 DIN EN ISO 13341:2015-

17、11 Foreword to EN ISO 13341:2010 This document (EN ISO 13341:2010) has been prepared by Technical Committee ISO/TC 58 “Gas cylinders” in collaboration with the Technical Committee CEN/TC 23 “Transportable gas cylinders” the secretariat of which is held by BSI. This European Standard shall be given t

18、he status of a national standard, either by publication of an identical text or by endorsement, at the latest by April 2011, and conflicting national standards shall be withdrawn at the latest by April 2011. Attention is drawn to the possibility that some of the elements of this document may be the

19、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 ISO 13341:1997. According to the CEN/CENELEC Internal Regulations, the national standards organizations of the following countries are bound to implem

20、ent this European Standard: Austria, Belgium, Bulgaria, Croatia, 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, Swit

21、zerland and the United Kingdom. Endorsement notice The text of ISO 13341:2010 has been approved by CEN as EN ISO 13341:2010 without any modification. EN ISO 13341:2010 + A1:2015 (E) 3 DIN EN ISO 13341:2015-11 !Foreword to EN ISO 13341:2010/A1:2015 This document (EN ISO 13341:2010/A1:2015) has been p

22、repared 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 Amendment to the European Standard EN ISO 13341:2010 shall be given the status of a national standard, either by pu

23、blication of an identical text or by endorsement, at the latest by December 2015, and 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 CEN

24、ELEC 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. According to the CEN-CENELEC Internal Regulations, the national standards organizations o

25、f 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, Iceland, Ireland, Italy, Latvia, Lithuania, Luxembourg, Malta, Net

26、herlands, Norway, Poland, Portugal, Romania, Slovakia, Slovenia, Spain, Sweden, Switzerland, Turkey and the United Kingdom. Endorsement notice The text of ISO 13341:2010/Amd 1:2015 has been approved by CEN as EN ISO 13341:2010/A1:2015 without any modification.“ EN ISO 13341:2010 + A1:2015 (E) 4 DIN

27、EN ISO 13341:2015-11 1 Scope This International Standard specifies the procedures to be followed when connecting cylinder valves to gas cylinders. It specifically applies to all valve and cylinder combinations connected with ISO screw threads as specified in ISO 10920 and ISO 11363-1. It defines rou

28、tines for inspection and preparation prior to valving for both taper and parallel screw threads. Torque values are given in Annex A for steel and aluminium gas cylinders including composite cylinders with steel or aluminium boss. NOTE The procedures and practices specified in this International Stan

29、dard can be beneficially applied to other valve to cylinder screw thread connection systems. ISO/TR 113644lists the valve to gas cylinder threads in use worldwide. It gives details of the thread identification codes, whether the threads are interchangeable with ISO threads and if the taping procedur

30、e and torque values specified in this International Standard can be used. ISO/TR 113644gives clear guidance for the method and torque for all listed inlet threads, which are not interchangeable. 2 Normative references The following referenced documents are indispensable for the application of this d

31、ocument. For dated references, only the edition cited applies. For undated references, the latest edition of the referenced document (including any amendments) applies. ISO 11114-2, Transportable gas cylinders Compatibility of cylinder and valve materials with gas contents Part 2: Non-metallic mater

32、ials ISO 11119-2, Gas cylinders of composite construction Specification and test methods Part 2: Fully wrapped fibre reinforced composite gas cylinders with load-sharing metal liners ISO 11119-3, Gas cylinders of composite construction Specification and test methods Part 3: Fully wrapped fibre reinf

33、orced composite gas cylinders with non-load-sharing metallic or non-metallic liners ISO 15245-1, Gas cylinders Parallel threads for connection of valves to gas cylinders Part 1: Specification 3 General requirements and recommendations Gas cylinders and valves shall be connected so that when in use t

34、he combination is gas tight and the valve cannot be removed inadvertently from the cylinder. The tools used to screw the valve into the gas cylinder shall fit the valve properly and the gas cylinder shall be secured against rotation during the torquing process. The tools shall not cause damage to ei

35、ther the valve or the cylinder. Minor marks to the valve and the cylinder are acceptable. The cylinder and the valving tool axes shall be aligned. In addition, some composite cylinders need special treatment for the valving process, for example fixing the neck/metal boss during torquing. Any special

36、 instructions given by the cylinder manufacturer shall be followed. EN ISO 13341:2010 + A1:2015 (E) 5 DIN EN ISO 13341:2015-11 Sealing materials used between the valve stem and cylinder neck threads shall be compatible with the gas to be contained in the cylinder (e.g. oxygen), in accordance with IS

37、O 11114-2. Except as described in 7.3, the torque applied to the valve shall be within the relevant range given in Annex A. Valve manufacturers shall make available instructions if their specific recommendations regarding their product differ from those included in this International Standard (e.g.

38、if their maximum torque recommendation is less than the maximum allowed in the relevant range included in Annex A). For all threads, the maximum level of torque should not be exceeded as this will give rise to a high stress in the valve stem and/or cylinder neck. Care shall be taken with aluminium a

39、lloy cylinders, for which valving torques are lower than for steel cylinders. Aluminium alloy cylinders shall not be valved at temperatures above ambient because, on cooling, differential contraction between the cylinder and the valve will give rise to a high stress in the cylinder neck. High differ

40、ence of temperature between cylinder neck and valve should be avoided. Some valve designs can be unsuitable to be valved at elevated temperatures (e.g. above 65 C). All tools and equipment used for valving cylinders shall be periodically validated for accuracy. Accuracy shall be established by measu

41、ring the torque applied to the valve of a valved cylinder as indicated in 5.4.3 for taper threads and in 6.5 for parallel threads. NOTE Some machine tools rely on the friction between the valve and gas cylinder threads to stop the machine turning once the correct torque has been reached. For fast ru

42、nning machines, the inertia to be absorbed before the machine stops can result in valving torques being in practice far higher than the machine set point. 4 Preparation 4.1 4.2 The valve and cylinder threads shall be visually inspected for integrity and, where applicable, for damaged O-ring sealing

43、surfaces. In particular, when valving aluminium alloy cylinders, the bottom threads on the stem of valves and the lower threads within the cylinder neck shall be fully formed at the root of the thread and free from ragged edges or burrs. Similar care is required when fitting stainless steel valves t

44、o all cylinders. Acceptance criteria for used valves are given in ISO 22434. 4.3 Threads and sealing surface on both valve and cylinder shall be checked for cleanliness. Any remnants of old PTFE sealing tape or other sealants, paints and other contaminants shall be completely removed. Care should be

45、 taken to prevent any debris falling into the cylinder. Depending on the gas service and application, before fitting the valve, it shall be ensured that the internal surface of the cylinder is clean and dry. 4.4 The top face of the cylinder, where a parallel thread is used, shall be free of paint, d

46、ebris or other contamination so that the valve flange can rest directly on it when the cylinder has been valved. !4.1 Each valve and cylinder thread shall be examined to ensure that they are to the same dimensional standard, e.g. ISO 11363 1 or ISO 15245 1 or that they are interchangeable according

47、to ISO/TR 11364. NOTE Some standards require that valve and cylinder threads are identified by marking (see ISO 10297 and ISO 13769).“ EN ISO 13341:2010 + A1:2015 (E) 6 DIN EN ISO 13341:2015-11 - -5 Valving procedure for taper threaded valves 5.1 General 5.2 Wrapping with sealant tape 5.2.1 Wrapping

48、 of the valve stem with tape shall commence at the small end of the taper; the sealant tape shall be wound clockwise when looking from the base of the valve. 5.2.2 Wrapping shall be such that it protrudes beyond the small end of the valve stem by a maximum of 3 mm and a minimum of 1 mm. At the small

49、 end, there shall be a minimum of three layers of tape (see 5.2.5). Tape shall then be overlapped during wrapping to give an even double thickness all the way up to include the top thread of the valve stem. The number of layers may be adjusted depending on thickness of tape. Excessive tape thickness may increase the stress or push the tape out. 5.2.3 The tape shall not be excessively stretched during wrapping and shall be carefully torn or cut. 5.2.4 Tape shall