DIN EN 12252-2014 LPG equipment and accessories - Equipping of LPG road tankers German version EN 12252 2014《液化石油气(LPG)设备和附件 LPG油槽车的装备》.pdf
《DIN EN 12252-2014 LPG equipment and accessories - Equipping of LPG road tankers German version EN 12252 2014《液化石油气(LPG)设备和附件 LPG油槽车的装备》.pdf》由会员分享,可在线阅读,更多相关《DIN EN 12252-2014 LPG equipment and accessories - Equipping of LPG road tankers German version EN 12252 2014《液化石油气(LPG)设备和附件 LPG油槽车的装备》.pdf(33页珍藏版)》请在麦多课文档分享上搜索。
1、July 2014 Translation by DIN-Sprachendienst.English price group 15No 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 4
2、3.080.10!%2m“2159574www.din.deDDIN EN 12252LPG equipment and accessories Equipping of LPG road tankers;English version EN 12252:2014,English translation of DIN EN 12252:2014-07Flssiggas-Gerte und Ausrstungsteile Ausrstung von Straentankwagen fr Flssiggas (LPG);Englische Fassung EN 12252:2014,Englisc
3、he bersetzung von DIN EN 12252:2014-07quipements pour GPL et leurs accessoires quipements des camions citernes pour GPL;Version anglaise EN 12252:2014,Traduction anglaise de DIN EN 12252:2014-07SupersedesDIN EN 12252:2012-12www.beuth.deDocument comprises 33 pagesIn case of doubt, the German-language
4、 original shall be considered authoritative.06.14DIN EN 12252:2014-07 2 A comma is used as the decimal marker. National foreword This document (EN 12252:2014) has been prepared by Technical Committee CEN/TC 286 “Liquefied Petroleum Gas equipment and accessories” (Secretariat: NSAI, Ireland). The res
5、ponsible German body involved in its preparation was the Normenausschuss Druckgasanlagen (Pressurized Gas Installations Standards Committee), Working Committee NA 016-00-06 AA Flssiggas-Gerte und Ausrstung; Spiegelausschuss zu CEN/TC 286. Amendments This standard differs from DIN EN 12252:2012-12 as
6、 follows: a) Clause 3 “Terms and definitions” has been updated; b) general requirements on the primary shut-off system have been modified (see Subclause 6.1.3); c) general requirements on the safety system have been modified (see Subclause 11.1); d) an error in the flow calculation units has been co
7、rrected (see Annex A). Previous editions DIN EN 12252: 2000-10, 2006-04, 2008-06, 2012-12 EUROPEAN STANDARD NORME EUROPENNE EUROPISCHE NORM EN 12252 April 2014 ICS 43.080.10 Supersedes EN 12252:2012English Version LPG equipment and accessories - Equipping of LPG road tankers quipements pour GPL et l
8、eurs accessoires - quipements des camions citernes pour GPL Flssiggas-Gerte und Ausrstungsteile - Ausrstung von Straentankwagen fr Flssiggas (LPG) This European Standard was approved by CEN on 9 February 2014. CEN members are bound to comply with the CEN/CENELEC Internal Regulations which stipulate
9、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 obtained on application to the CEN-CENELEC Management Centre or to any CEN member. This European Standa
10、rd 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 the official versions. CEN members are the natio
11、nal 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, Netherlands, Norway, Poland, Portugal, Romania, Slov
12、akia, 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 2014 CEN All rights of exploitation in any form and by any mean
13、s reserved worldwide for CEN national Members. Ref. No. EN 12252:2014 EEN 12252:2014 (E) 2 Contents Page Foreword 3 Introduction .4 1 Scope 5 2 Normative references 5 3 Terms and definitions .7 4 Requirements .9 4.1 General 9 4.2 Equipment 9 4.3 Valve access 10 5 Pressure vessel. 10 5.1 Design and m
14、anufacture 10 5.2 Mounting of pressure vessel on road tanker . 10 6 Pressure vessel accessories . 11 6.1 Required pressure vessel accessories 11 6.2 Optional pressure vessel accessories . 12 7 Vehicle LPG equipment 12 7.1 Mandatory LPG equipment 12 7.2 Optional LPG equipment 13 8 Equipment specifica
15、tions 14 8.1 Suitable materials . 14 8.2 Contents gauge . 15 8.3 Pressure gauge . 15 8.4 Temperature gauge. 15 8.5 Pump 16 8.6 Hoses . 16 8.7 Hose reel 16 8.8 Earth reel . 17 8.9 Metering system 17 8.10 Valves . 17 8.11 Pressure relief valves(PRV) . 17 9 Assembly . 17 9.1 General . 17 9.2 Welding 18
16、 9.3 Flanged connections 18 9.4 Screwed connections . 18 9.5 External corrosion protection . 18 10 Inspection and testing 18 10.1 General . 18 10.2 Hydraulic pressure test 19 10.3 Leak test 19 11 Safety systems 19 11.1 General . 19 11.2 Emergency Shut-Down system(ESD) . 20 12 General safety requirem
17、ents . 20 Annex A (normative) Discharge rates for pressure relief valves-Discharge capacity . 21 Annex B (informative) Calculation of mountings of pressure vessel to the chassis . 23 Annex C (informative) Environmental Checklist 30 Bibliography . 31 DIN EN 12252:2014-07 EN 12252:2014 (E) 3 Foreword
18、This document (EN 12252:2014) has been prepared by Technical Committee CEN/TC 286 “Liquefied Petroleum Gas equipment and accessories”, the secretariat of 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 e
19、ndorsement, at the latest by October 2014 and conflicting national standards shall be withdrawn at the latest by October 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 id
20、entifying any or all such patent rights. This document supersedes EN 12252:2012. This document has been prepared under a mandate given to CEN by the European Commission and the European Free Trade Association. This document has been submitted for reference into the technical annexes of the ADR 9. NO
21、TE These regulations take precedence over any clause of this European Standard. It is emphasised that RID/ADR/ADN are being revised regularly at intervals of two years which might lead to temporary non-compliances with the clauses of this European Standard. The main technical changes of this revisio
22、n include: the update of definitions; the modification of requirements on the primary shut-off system (see 6.1.3); the modification of the general requirements on the safety system (see 11.1); the correction of an error in the flow calculation units (see Annex A). According to the CEN-CENELEC Intern
23、al 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, Iceland, Ire
24、land, Italy, Latvia, Lithuania, Luxembourg, Malta, Netherlands, Norway, Poland, Portugal, Romania, Slovakia, Slovenia, Spain, Sweden, Switzerland, Turkey and the United Kingdom. DIN EN 12252:2014-07 EN 12252:2014 (E) 4 Introduction This European Standard calls for the use of substances and procedure
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