EN 13175-2014 en LPG Equipment and accessories - Specification and testing for Liquefied Petroleum Gas (LPG) pressure vessel valves and fittings《液化石油气设备及附件 液化气(LPG)压力容器阀门及配件规格》.pdf

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1、BSI Standards PublicationBS EN 13175:2014LPG Equipment and accessories Specification and testingfor Liquefied Petroleum Gas(LPG) pressure vessel valvesand fittingsBS EN 13175:2014 BRITISH STANDARDNational forewordThis British Standard is the UK implementation of EN 13175:2014. Itsupersedes BS EN 131

2、75:2003 which is withdrawn.The UK participation in its preparation was entrusted to TechnicalCommittee PVE/19, LPG containers and their associated fittings.A list of organizations represented on this committee can beobtained on request to its secretary.This publication does not purport to include al

3、l the necessaryprovisions of a contract. Users are responsible for its correctapplication. The British Standards Institution 2014. Published by BSI StandardsLimited 2014ISBN 978 0 580 71110 7ICS 23.060.01Compliance with a British Standard cannot confer immunity fromlegal obligations.This British Sta

4、ndard was published under the authority of theStandards Policy and Strategy Committee on 30 November 2014.Amendments issued since publicationDate Text affectedBS EN 13175:2014EUROPEAN STANDARD NORME EUROPENNE EUROPISCHE NORM EN 13175 November 2014 ICS 23.060.01 Supersedes EN 13175:2003+A2:2007Englis

5、h Version LPG Equipment and accessories - Specification and testing for Liquefied Petroleum Gas (LPG) pressure vessel valves and fittings quipements pour GPL et leurs accessoires - Spcificationset essais des quipements et accessoires des rservoirs pour gaz de ptrole liqufi (GPL) Flssiggas-Gerte und

6、Ausrstungsteile - Spezifikation und Prfung fr Ventile und Fittinge an Druckbehltern fr Flssiggas (LPG) This European Standard was approved by CEN on 14 September 2014. CEN members are bound to comply with the CEN/CENELEC Internal Regulations which stipulate the conditions for giving this European St

7、andard the status of a 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 Management Centre or to any CEN member. This European Standard exists in three official versions (Engl

8、ish, 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 the official versions. CEN members are the national standards bodies of Austria, Belgium,

9、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, Slovakia, Slovenia, Spain, Sweden, Switzerland

10、, 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 2014 CEN All rights of exploitation in any form and by any means reserved worldwide for CEN national Memb

11、ers. Ref. No. EN 13175:2014 EBS EN 13175:2014EN 13175:2014 (E) 2 Contents Page Foreword 4 Introduction .5 1 Scope 6 2 Normative references 6 3 Terms and definitions .7 4 Operating conditions .9 5 Materials 10 5.1 General . 10 5.2 Metallic materials 10 5.3 Non-metallic components 11 5.4 Lubricants, s

12、ealants and adhesives . 11 6 Design general requirements . 11 6.1 General . 11 6.2 Seats and seals . 12 6.3 Springs . 12 6.4 Threads 12 6.5 Flanges 12 7 Design - specific requirements . 12 7.1 Excess flow valve . 12 7.2 Non-return valve . 13 7.3 Shut-off valves 13 7.4 Filler valve . 14 7.5 Filler va

13、lve with OPD 15 7.6 Occasional liquid withdrawal valve 15 7.7 Internal valve . 16 7.8 Vapour equalizing valve . 16 7.9 Multipurpose valve . 16 7.10 Break-away coupling 16 7.11 Dry disconnect coupling 16 7.12 Pressure gauge . 18 8 Testing of the design 18 8.1 General . 18 8.2 Testing of non-metallic

14、components 18 8.3 Over torquing deformation test . 20 8.4 External leak tightness test . 20 8.5 Internal leak tightness test 21 8.6 Residual flow test . 21 8.7 Pressure strength test 22 8.8 Excess flow test 22 8.9 Endurance test 23 8.10 Weak section strength test 24 8.11 Stress cracking test 24 8.12

15、 Vacuum test . 25 8.13 Flow resistance test . 25 8.14 Filler valve flow test 25 8.15 OPD test . 25 8.16 Test report . 26 BS EN 13175:2014EN 13175:2014 (E) 3 9 Production testing . 26 10 Marking . 26 11 Documentation 27 12 Packaging . 27 Annex A (normative) ACME connections . 28 Annex B (normative) S

16、pecial low temperature requirements for valves 32 Annex C (informative) Inspection of 3 inch ACME Couplings 33 C.1 Introduction 33 C.2 Definitions 33 C.3 Visual examination 34 C.4 Dimensional check 34 Annex D (normative) Dry disconnect couplings 36 Annex E (normative) Production testing and inspecti

17、on . 41 Bibliography 44 BS EN 13175:2014EN 13175:2014 (E) 4 Foreword This document (EN 13175:2014) has been prepared by Technical Committee CEN/TC 286 “LPG Equipment and accessories - Specification and testing for Liquefied Petroleum Gas (LPG) pressure vessel valves and fittings”, the secretariat of

18、 which is held by NSAI. 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 May 2015 and conflicting national standards shall be withdrawn at the latest by May 2015. Attention is drawn to the possibil

19、ity 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 13175:2003+A2:2007. This document has been prepared under a mandate given to CEN by the Euro

20、pean Commission and the European Free Trade Association, and supports essential requirements of EU Directive(s). For relationship with EU Directive(s), see informative Annex ZA, which is an integral part of this document. This European Standard has been submitted for reference into: the technical an

21、nexes of the ADR 4. NOTE These regulations take precedence over any clause of this European Standard. It is emphasized that ADR is being revised regularly at intervals of two years which may lead to temporary non-compliances with the clauses of this European Standard. The major changes to this revis

22、ion include: reference to the RID and ADN has been removed; the addition of aluminium alloys and zinc alloys; additional requirements for brass materials; change in requirements for non-metallic components, lubricants, sealants and adhesives; the insertion of filler valve with overfill protection de

23、vice, dry disconnect coupling requirements and the deletion of plug and cap requirements; the introduction of Annex C (informative), Inspection of 3 inch x 6 ACME coupling; the introduction of Annex D (normative), Dry disconnect couplings. According to the CEN-CENELEC Internal Regulations, the natio

24、nal 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, Iceland, Ireland, Italy, Latvia, Lith

25、uania, Luxembourg, Malta, Netherlands, Norway, Poland, Portugal, Romania, Slovakia, Slovenia, Spain, Sweden, Switzerland, Turkey and the United Kingdom. BS EN 13175:2014EN 13175:2014 (E) 5 Introduction This European Standard calls for the use of substances and procedures that may be injurious to hea

26、lth and/or the environment if adequate precautions are not taken. It refers only to technical suitability; it does not absolve the user from their legal obligations at any stage. It has been assumed in the drafting of this European Standard that the execution of its provisions is entrusted to approp

27、riately qualified and experienced people. All pressures are gauge pressures unless otherwise stated. NOTE This European Standard requires measurement of material properties, dimensions and pressures. All such measurements are subject to a degree of uncertainty due to tolerances in measuring equipmen

28、t, etc. It may be beneficial to refer to the leaflet “measurement uncertainty leaflet” SP INFO 2000 27 8. BS EN 13175:2014EN 13175:2014 (E) 6 1 Scope This European Standard specifies minimum requirements for the design, testing and production testing of valves, including appropriate fittings, which

29、are connected to mobile or static LPG pressure vessels above 150 l water capacity. Pressure relief valves and their ancillary equipment, contents gauges and automotive LPG components are outside the scope of this European Standard. This European Standard does not apply to refineries or other process

30、 plants. 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 latest edition of the referenced document (including

31、any amendments) applies. EN 549:1994, Rubber materials for seals and diaphragms for gas appliances and gas equipment EN 751-1:1996, Sealing materials for metallic threaded joints in contact with 1st, 2nd and 3rd family gases and hot water - Part 1: Anaerobic jointing compounds EN 751-2:1996, Sealing

32、 materials for metallic threaded joints in contact with 1st, 2nd and 3rd family gases and hot water - Part 2: Non-hardening jointing compounds EN 751-3:1996, Sealing materials for metallic threaded joints in contact with 1st, 2nd and 3rd family gases and hot water - Part 3: Unsintered PTFE tapes EN

33、837-1, Pressure gauges - Part 1: Bourdon tube pressure gauges - Dimensions, metrology, requirements and testing EN 1092-1:2007+A1:2013, Flanges and their joints - Circular flanges for pipes, valves, fittings and accessories, PN designated - Part 1: Steel flanges EN 1267:2012, Industrial valves - Tes

34、t of flow resistance using water as test fluid EN 1503-1:2000, Valves - Materials for bodies, bonnets and covers - Part 1: Steels specified in European Standards EN 1503-2:2000, Valves - Materials for bodies, bonnets and covers - Part 2: Steels other than those specified in European Standards EN 150

35、3-4:2002, Valves - Materials for bodies, bonnets and covers - Part 4: Copper alloys specified in European Standards EN 1563:2011, Founding - Spheroidal graphite cast irons EN 1759-1:2004, Flanges and their joint - Circular flanges for pipes, valves, fittings and accessories, Class designated - Part

36、1: Steel flanges, NPS 1/2 to 24 EN 1774:1997, Zinc and zinc alloys - Alloys for foundry purposes - Ingot and liquid EN 1983, Industrial valves - Steel ball valves EN 10270-3:2011, Steel wire for mechanical springs - Part 3: Stainless spring steel wire EN 12164:2011, Copper and copper alloys - Rod fo

37、r free machining purposes BS EN 13175:2014EN 13175:2014 (E) 7 EN 12165:2011, Copper and copper alloys - Wrought and unwrought forging stock EN 12420:2014, Copper and copper alloys - Forgings EN 13547, Industrial valves - Copper alloy ball valves EN 13709:2010, Industrial valves - Steel globe and glo

38、be stop and check valves EN 13789:2010, Industrial valves - Cast iron globe valves EN 13799:2012, LPG equipment and accessories - Contents gauges for Liquefied Petroleum Gas (LPG) pressure vessels EN 13906-1:2013, Cylindrical helical springs made from round wire and bar - Calculation and design - Pa

39、rt 1: Compression springs EN 15202:2012, LPG equipment and accessories - Essential operational dimensions for LPG cylinder valve outlet and associated equipment connections EN 60079-0, Explosive Atmospheres - Part 0: Equipment - General requirements (IEC 60079-0) EN ISO 196:1995, Wrought copper and

40、copper alloys - Detection of residual stress - Mercury(I) nitrate test (ISO 196:1978) ISO 7-1:1994, Pipe threads where pressure-tight joints are made on the threads - Part 1: Dimensions, tolerances and designation ISO 301:2006, Zinc alloy ingots intended for castings ISO 2859-1:1999, Sampling proced

41、ures for inspection by attributes - Part 1: Sampling schemes indexed by acceptance quality limit (AQL) for lot-by-lot inspection ISO 6957:1988, Copper alloys - Ammonia test for stress corrosion resistance ANSI/ASME B1.20.1 - 1983, Pipe threads, general purpose (inch) issued by American National Stan

42、dards Institute in 1983 ASME B1.5 - 1990, ACME Screw Threads issued by American Society of Mechanical Engineers in 1990 3 Terms and definitions For the purposes of this document, the following terms and definitions apply. 3.1 liquefied petroleum gas LPG low pressure liquefied gas composed of one or

43、more light hydrocarbons which are assigned to UN 1011, UN 1075, UN 1965, UN 1969 or UN 1978 only and which consists mainly of propane, propene, butane, butane isomers, butene with traces of other hydrocarbon gases 3.2 pressure vessel assembly of the pressure envelope (including the openings and thei

44、r closures) and non-pressure-retaining parts attached directly to it BS EN 13175:2014EN 13175:2014 (E) 8 3.3 maximum allowable pressure maximum pressure for which the equipment is designed Note 1 to entry: All pressures are gauge pressures unless otherwise stated. 3.4 fitting pressure containing com

45、ponent fitted to an LPG pressure system 3.6 internal leak tightness resistance to leakage across the valve seal or other internal sealing components when the valve is closed 3.7 external leak tightness resistance to leakage through the fitting to or from the atmosphere 3.8 residual flow allowable fl

46、ow through an excess flow or a non-return valve, when the valve is in the closed position 3.9 sealing element non-metallic resilient component which effects a seal by contact with the valve seat 3.10 excess flow valve valve designed to close automatically, with a small residual flow, when the fluid

47、flow passing through it exceeds a predetermined value, and to re-open when the pressure differential across the valve has been restored below a certain value 3.11 non-return valve valve designed to close automatically to restrict reverse flow 3.12 shut-off valve valve to provide a leak tight seal wh

48、ich is operated either manually, remotely or is self-closing 3.13 service valve valve for fluid off-take which is manually operated to provide a leak tight seal 3.14 filler valve valve system for liquid fill service 3.15 plug component which seals a female connection 3.16 cap component which seals a

49、 male connection BS EN 13175:2014EN 13175:2014 (E) 9 3.17 overfill protection device OPD device designed to automatically reduce the filling rate to a minimal flow when the fill level reaches a predetermined amount 3.18 occasional liquid withdrawal valve normally blanked valve, used for occasional liquid withdrawal which is designed to be opened by the engagement of a special connector valve 3.19 internal valve valve which has its seal within the profile of the pressure vessel 3.20 self closing valve normally closed valve that provides a lea

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