EN 14334-2014 en LPG equipment and accessories - Inspection and testing of LPG road tankers《液化石油气(LPG)设备及附件 油罐车的检查及测试》.pdf

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1、BSI Standards PublicationBS EN 14334:2014LPG equipment and accessories Inspection and testing ofLPG road tankersBS EN 14334:2014 BRITISH STANDARDNational forewordThis British Standard is the UK implementation of EN 14334:2014. Itsupersedes BS EN 14334:2005 which is withdrawn.The UK participation in

2、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 all the necessaryprovisions of a contract. Users are

3、responsible for its correctapplication. The British Standards Institution 2014. Published by BSI StandardsLimited 2014ISBN 978 0 580 70419 2ICS 43.080.10Compliance with a British Standard cannot confer immunity fromlegal obligations.This British Standard was published under the authority of theStand

4、ards Policy and Strategy Committee on 30 November 2014.Amendments issued since publicationDate Text affectedBS EN 14334:2014EUROPEAN STANDARD NORME EUROPENNE EUROPISCHE NORM EN 14334 November 2014 ICS 43.080.10 Supersedes EN 14334:2005English Version LPG equipment and accessories - Inspection and te

5、sting of LPG road tankers quipements pour GPL et leurs accessoires - Inspection et essais des vhicules citernes routiers pour GPL Flssiggas-Gerte und Ausrstungsteile - Inspektion und Prfung von Straentankwagen fr Flssiggas (LPG) This European Standard was approved by CEN on 14 September 2014. CEN me

6、mbers 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 obtained on applica

7、tion 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 CEN-CENELEC Manag

8、ement 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, Ireland, Italy, Latvia

9、, 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 CEN-CENELEC Management Centre: Avenue Marnix

10、 17, B-1000 Brussels 2014 CEN All rights of exploitation in any form and by any means reserved worldwide for CEN national Members. Ref. No. EN 14334:2014 EBS EN 14334:2014EN 14334:2014 (E) 2 Contents Page Foreword 3 Introduction .4 1 Scope 5 2 Normative references 5 3 Terms and definitions .6 4 Insp

11、ection and testing .7 5 Inspection and testing requirements .7 5.1 General 7 5.2 Inspection of the necessary documents .8 5.3 Inspection of the interior of the pressure vessel .8 5.4 Inspection of the exterior of the pressure vessel .8 5.5 Hydraulic pressure testing .9 5.6 Inspection of the vehicle

12、LPG equipment and accessories . 12 5.7 Leakproofness test . 12 5.8 Inspection of pressure vessel or structural equipment after repair 13 5.9 Re-inspection 13 6 Inspection certificate and marking . 14 6.1 Certification of periodic, intermediate inspection and exceptional check . 14 6.2 Marking 14 Ann

13、ex A (informative) Road tanker inspection/check certificate 15 Annex B (informative) Environmental Checklist . 16 Bibliography . 17 BS EN 14334:2014EN 14334:2014 (E) 3 Foreword This document (EN 14334:2014) has been prepared by Technical Committee CEN/TC 286 “Liquefied petroleum gas equipment and ac

14、cessories”, 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 endorsement, at the latest by May 2015 and conflicting national standards shall be withdrawn at the latest by May 2015. Atte

15、ntion 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. This document supersedes EN 14334 :2005. This document has been prepared under a mandate g

16、iven 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 1. The main modifications with regard to EN 14334:2005 are: a) the definitions in Clause 3 were updated; b) Clause 4, Table 1 was adapt

17、ed to ADR requirements; c) subclause 5.4 was adapted to ADR requirements; d) subclause 5.5 was reviewed to provide detailed prerequisites and requirements on NDT techniques used as an alternative to hydraulic pressure test; e) subclause 5.7.2 was corrected to accommodate for typical working pressure

18、s for LPG pressure vessels; f) an environmental checklist (Annex B) was added; g) document was adapted to current CEN regulations. According to the CEN-CENELEC Internal Regulations, the national standards organizations of the following countries are bound to implement this European Standard: Austria

19、, 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, Slovakia, Slovenia, Spain, Sweden,

20、Switzerland, Turkey and the United Kingdom. BS EN 14334:2014EN 14334:2014 (E) 4 Introduction This document calls for the use of substances and procedures that may be injurious to health if adequate precautions are not taken. It refers only to technical suitability and does not absolve the user from

21、legal obligations relating to health and safety at any stage. The frequencies of the different types of pressure vessel inspection are given by the relevant international regulations concerning the transport of dangerous goods. Protection of the environment is a key political issue in Europe and els

22、ewhere. Protection of the environment is taken in a very broad sense. What is meant is the total life cycle aspects of, e.g. a product on the environment, including expenditure of energy and during all phases from mining of raw materials, fabrication, packaging, distribution, use, scrapping, recycli

23、ng of materials, etc. NOTE Annex B indicates which clauses in this standard address environmental issues. Clauses addressing environmental issues are restricted to a general guidance. Limiting values can be specified in national laws. It is recommended that companies using this standard develop an e

24、nvironmental management policy. For guidance, see EN ISO 14001. It has been assumed in the drafting of this document that the execution of its provisions is entrusted to appropriately qualified and experienced people. BS EN 14334:2014EN 14334:2014 (E) 5 1 Scope This European Standard specifies minim

25、um requirements for the inspection and testing of the LPG road tanker, which includes its pressure vessel, accessories and vehicle LPG equipment. This European Standard does not specify requirements for the initial inspection (after manufacture) of a pressure vessel, see EN 12493, or for service equ

26、ipment on the road tanker, see EN 12252. This European Standard does not apply to compartmented road tankers. NOTE 1 There is no upper size limit for the pressure vessel as this will be determined by the gross vehicle weight limitation. NOTE 2 For inspection and testing requirements of equipment oth

27、er than the pressure vessel, accessories and vehicle LPG equipment, see applicable regulations. 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 app

28、lies. For undated references, the latest edition of the referenced document (including any amendments) applies. EN 837-1:1996, Pressure gauges - Part 1: Bourdon tube pressure gauges - Dimensions, metrology, requirements and testing EN 837-3:1996, Pressure gauges - Part 3: Diaphragm and capsule press

29、ure gauges - Dimensions, metrology, requirements and testing EN 1711, Non-destructive examination of welds - Eddy current examination of welds by complex plane analysis EN 12252, LPG equipment and accessories - Equipping of LPG road tankers EN 12493, LPG equipment and accessories - Welded steel pres

30、sure vessels for LPG road tankers - Design and manufacture EN 13109, LPG equipment and accessories - LPG tanks and drums - Disposal EN ISO 3452-1, Non-destructive testing - Penetrant testing - Part 1: General principles (ISO 3452-1) EN ISO 5579, Non-destructive testing - Radiographic testing of meta

31、llic materials using film and X- or gamma rays - Basic rules (ISO 5579) EN ISO 9712, Non-destructive testing - Qualification and certification of NDT personnel (ISO 9712) EN ISO 17636-2, Non-destructive testing of welds - Radiographic testing - Part 2: X- and gamma-ray techniques with digital detect

32、ors (ISO 17636-2) EN ISO 17638, Non-destructive testing of welds - Magnetic particle testing (ISO 17638) EN ISO 17640, Non-destructive testing of welds - Ultrasonic testing - Techniques, testing levels, and assessment (ISO 17640) BS EN 14334:2014EN 14334:2014 (E) 6 3 Terms and definitions For the pu

33、rposes of this document, the following terms and definitions apply. 3.1 liquefied petroleum gas LPG low pressure liquefied gas composed of one or 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, bu

34、tane isomers, butene with traces of other hydrocarbon gases 3.2 periodic inspection activities carried out at defined intervals, such as examining, measuring, testing or gauging the characteristics of a pressure vessel and comparing these with specified requirements 3.3 intermediate inspection inspe

35、ction carried out between the initial and first periodic inspection, or between two periodic inspections, the results of which are recorded 3.4 vehicle LPG equipment equipment and pipework on the road tanker which is in contact with LPG and forms part of the LPG operating system, shut-down system or

36、 safety system, but which is not directly connected to the pressure vessel and is not part of the automotive LPG system 3.5 accessories devices connected to the system whose main function is not for the storage or conveyance of LPG Note 1 to entry: Referred to as “service equipment” in ADR. 3.6 repa

37、ir correction of a defect Note 1 to entry: It does not include normal service and maintenance operations of the shell or service equipment or replacement of gaskets or service equipment to the same specification. 3.7 road tanker rigid vehicle, semi-trailer or trailer comprising of one or more fixed

38、pressure vessels Note 1 to entry: Referred to as fixed tanks (tank-vehicles) and demountable tanks in the ADR. 3.8 exceptional check inspection/test after repair of the vessel, vessel accessories, vehicle LPG equipment or structural equipment 3.9 gas-free less than 20 % of the lower explosive limit

39、of LPG in air 3.10 inspector individual or a body approved by the competent authority to perform designated inspections and tests BS EN 14334:2014EN 14334:2014 (E) 7 3.11 inspection body independent inspection and testing body approved by the competent authority 3.12 structural equipment external re

40、inforcing, fastening or stabilizing member of the shell, being an integral part of and directly welded to the shell, or to a backing plate on the shell 3.13 hot work any work that requires a flame or other ignition source for its execution, or which could produce or expose a possible source of ignit

41、ion (e.g. sparks) capable of igniting flammable gases, liquids or other materials 4 Inspection and testing The requirements for inspection and testing, as detailed below, shall apply to pressure vessels designed and manufactured in accordance with EN 12493 and equipped in accordance with EN 12252, b

42、ut can also be used for existing pressure vessel designs. The following inspections/tests/checks shall be carried out, under the supervision of the inspector, in accordance with Table 1. NOTE According to ADR testing, inspection and certification duties are allocated to either the competent authorit

43、y or to inspection bodies. ADR includes detailed requirements on the qualification, obligations, accreditation and approval of these inspection bodies as well as the frequency for inspections and tests. Table 1 Required inspections/tests Inspections/Tests Clause Intermediate Periodic Exceptional che

44、cks aNecessary documents 5.2 X X X Interior of the pressure vessel 5.3 X X Exterior of the pressure vessel 5.4 X X X Hydraulic pressure 5.5 X X Accessories 5.6 X X X Vehicle LPG equipment 5.6 X X X Leakproofness 5.7 X X X Structural equipment after repair 5.8 X aAs appropriate to the repair. If the

45、pressure vessel is being remounted then all inspections shall be as for the original construction. An exceptional check can be required when the safety of the accessories, vehicle LPG equipment, the pressure vessel, or structural equipment may have been impaired as a result of repairs, alterations o

46、r accidents. 5 Inspection and testing requirements 5.1 General Additional inspections/tests/checks can be required, subject to the results of the inspections/tests/checks required by this clause. BS EN 14334:2014EN 14334:2014 (E) 8 Precautions shall be taken for the safety of the inspecting personne

47、l, and any other personnel in the vicinity of the road tanker, when inspections/tests are carried out. 5.2 Inspection of the necessary documents The following documents shall be provided for the inspection: certificate of initial inspection, type approval documentation, certificate of last periodic

48、inspection, or certificate of intermediate inspection/ exceptional check, if applicable. The documents shall be inspected to ensure that they are relevant to the pressure vessel, accessories and vehicle LPG equipment, and that they are satisfactory. Additional requirements and remarks in these docum

49、ents shall be taken into account. 5.3 Inspection of the interior of the pressure vessel The pressure vessel shall be empty, clean, certified gas-free and safe to enter at the time of inspection. Suitable methods for gas freeing are described in EN 13109. A complete visual internal inspection shall be performed. The entire surface of the pressure vessel shall be inspected for: surface defects such as dents, cuts, gouges, bulges, cracks; other defects indicating possible abnormal operating conditions. NOTE The inspector can request that this inspect

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