BS EN 13617-3:2012 BSI Standards Publication Petrol filling stations Part 3: Safety requirements for construction and performance of shear valves BS EN 13617-3:2012 BRITISH STANDARD National foreword This British Standard is the UK implementation of EN 13617-3:2012 It supersedes BS EN 13617-3:2004, which is withdrawn The UK participation in its preparation was entrusted to Technical Committee PVE/393/4, Metering pumps and dispensers for liquid fuel A list of organizations represented on this committee can be obtained on request to its secretary 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 2012 Published by BSI Standards Limited 2012 ISBN 978 580 71240 ICS 75.200 Compliance with a British Standard cannot confer immunity from legal obligations This British Standard was published under the authority of the Standards Policy and Strategy Committee on 30 April 2012 Amendments issued since publication Date Text affected BS EN 13617-3:2012 EN 13617-3 EUROPEAN STANDARD NORME EUROPÉENNE EUROPÄISCHE NORM March 2012 ICS 75.200 Supersedes EN 13617-3:2004 English Version Petrol filling stations - Part 3: Safety requirements for construction and performance of shear valves Stations-service - Partie 3: Exigences de sécurité relatives la construction et aux performances des raccords de sécurité Tankstellen - Teil 3: Sicherheitstechnische Anforderungen an Bau- und Arbeitsweise von Abscherventilen This European Standard was approved by CEN on 28 January 2012 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 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 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, 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, Switzerland, Turkey and United Kingdom EUROPEAN COMMITTEE FOR STANDARDIZATION COMITÉ EUROPÉEN DE NORMALISATION EUROPÄISCHES KOMITEE FÜR NORMUNG Management Centre: Avenue Marnix 17, B-1000 Brussels © 2012 CEN All rights of exploitation in any form and by any means reserved worldwide for CEN national Members Ref No EN 13617-3:2012: E BS EN 13617-3:2012 EN 13617-3:2012 (E) Contents Page Foreword 3 Introduction 4 Scope 5 Normative references 5 Terms and definitions 5 Explosion protection measures 6 5.1 5.2 5.3 5.4 Construction 6 General requirements 6 Specific requirements 7 Classes of construction 7 Threads 7 Physical properties 7 Operational requirements .8 8.1 8.2 8.3 8.4 Tests 8 General 8 Type tests .8 Production acceptance tests 8 Routine tests 9 9.1 9.2 Information for use 9 General 9 Marking and instruction 9 Annex A (normative) Instructions Guide for items to be included in manufacturers' installation and user manual 11 Annex B (normative) Test methods 12 B.1 General requirements 12 B.2 Pressure test (routine test) 12 B.3 Main valve test (routine test) 12 B.4 Pressure relief valve test (routine test) 12 B.5 Fuel preconditioning (type test) 13 B.6 Pressure test (type test) 13 B.7 Main valve test (type test) 13 B.8 Check valve test (class I only) (type test) 13 B.9 Pressure relief valve test (class I only) (type test) 14 B.10 Thermal link test (class I and class II only) (type test and production acceptance test) 14 B.11 Thermal link test (class I and class II only) (type test and production acceptance test) 14 B.12 Main valve closure test (type test and production acceptance test) 14 B.13 Main valve closure test (type test and production acceptance test) 15 Annex C (informative) Environmental aspects 16 Annex ZA (informative) Relationship between this European Standard and the Essential Requirements of EU Directive 94/9/EC 18 BS EN 13617-3:2012 EN 13617-3:2012 (E) Foreword This document (EN 13617-3:2012) has been prepared by Technical Committee CEN/TC 393 “Equipment for tanks and filling stations”, the secretariat of which is held by DIN 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 September 2012, and conflicting national standards shall be withdrawn at the latest by September 2012 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 identifying any or all such patent rights This document supersedes EN 13617-3:2004 This document has been prepared under a mandate given to CEN by the European 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 According to edition EN 13617-3:2004 the following fundamental changes are given: a new note at the end of the scope: ‘Fuels other than of Explosion Group IIA are excluded from this European Standard’ added; informative Annex C concerning environmental aspects added The present standard is composed of the following parts: Part 1: Safety requirements for construction and performance of metering pumps, dispensers and remote pumping units; Part 2: Safety requirements for construction and performance of safe breaks for use on metering pumps and dispensers; Part 3: Safety requirements for construction and performance of shear valves; Part 4: Safety requirements for construction and performance of swivels for use on metering pumps and dispensers According to the CEN/CENELEC Internal 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, France, Germany, Greece, Hungary, Iceland, Ireland, Italy, Latvia, Lithuania, Luxembourg, Malta, Netherlands, Norway, Poland, Portugal, Romania, Slovakia, Slovenia, Spain, Sweden, Switzerland, Turkey and the United Kingdom BS EN 13617-3:2012 EN 13617-3:2012 (E) Introduction The function of the shear valve is to prevent continuous liquid or vapour release in the event of impact or fire BS EN 13617-3:2012 EN 13617-3:2012 (E) Scope This European Standard specifies safety and environmental requirements for the construction and performance of shear valves to be fitted to metering pumps, dispensers, and/or satellite delivery systems installed at petrol filling stations and used to dispense liquid fuels into the tanks of motor vehicles, boats and light aircraft and into portable containers at flow rates up to 200 l min-1 The requirements apply to shear valves at ambient temperatures from –20 °C to +40 °C with the possibility for an extended temperature range It pays particular attention to mechanical and hydraulic characteristics NOTE This European Standard does not apply to equipment for use with liquefied petroleum gas (LPG) or liquefied natural gas (LNG) or compressed natural gas (CNG) NOTE 2 Fuels other than of Explosion Group IIA are excluded from this European Standard 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 any amendments) applies EN 976–1, Underground tanks of glass-reinforced plastics (GRP) — Horizontal cylindrical tanks for the nonpressure storage of liquid petroleum based fuels — Part 1: Requirements and test methods for single wall tanks EN 1127-1, Explosive atmospheres — Explosion prevention and protection — Part 1: Basic concepts and methodology EN 13463–1:2009, Non-electrical equipment for use in potentially explosive atmospheres — Part 1: Basic method and requirements EN 13617-1:2012, Petrol filling stations — Part 1: Safety requirements for the construction and performance of metering pumps, dispensers and remote pumping units EN 60079-0, Explosive atmospheres — Part 0: Equipment — General requirements EN ISO 1182, Reaction to fire tests for products — Non-combustibility test (ISO 1182) ISO 7–1, Pipe threads where pressure-tight joints are made on the threads — Part 1: Dimensions, tolerances and designations Terms and definitions For the purposes of this document, the terms and definitions given in prEN 13617–1:2010 and the following apply 3.1 main valve (liquid) normally open valve on the inlet side, closing when the shear valve operates 3.2 main valve (vapour) normally open valve on the outlet side, closing when the shear valve operates BS EN 13617-3:2012 EN 13617-3:2012 (E) 3.3 pressure relief valve valve to allow liquid to return to the pipework below the dispenser if pressure in the dispenser increases beyond a defined level 3.4 separation zone designed to be the first section of the shear valve to fracture when stressed 3.5 mechanical link device to activate the closing mechanism automatically to stop the flow of liquid when the shear valve breaks 3.6 thermal detector device to activate the closing mechanism automatically to stop the flow of liquid when the temperature in the vicinity of the shear valve exceeds the operating temperature 3.7 test plug device to allow pressure testing of associated pipework 3.8 mounting point rigid attachment facility on the inlet and outlet sections of the shear valve Explosion protection measures 4.1 Explosion protection measures shall be taken in accordance with EN 1127-1 and Annex B of EN 13617-1:2012 4.2 The shear valve shall be explosion protected and shall be Category in accordance with EN 13463–1 When a shear valve has a vapour path, the vapour path shall be category in accordance with EN 13463–1 The shear valve shall fulfil the requirements for temperature Class T3 and Group IIA to EN 60079-0 or EN 13463–1 Construction 5.1 General requirements 5.1.1 All electrical and non-electrical equipment and components, intended for use in potentially explosive atmospheres, shall be designed and constructed according to good engineering practice and in conformity with the required categories for Group II equipment to ensure avoidance of any ignition source To classify the category of the equipment it shall be subjected to an ignition hazard assessment in accordance with 5.2 of EN 13463-1:2009 5.1.2 All materials used in the construction shall be chemically and dimensionally stable under known service conditions Materials likely to come into contact with fuels in both liquid and vapour phases shall be resistant to attack by these fuels Conformity shall be demonstrated by testing in accordance with Clause 5.1.3 Light alloys when used shall conform to the requirements of 6.4.4.2 of EN 13463–1:2009 If other specifications for explosion protected equipment impose more stringent requirements then the more stringent requirement shall apply 5.1.4 All components shall be of corrosion resistant material or shall be provided with a corrosion resistant protective coating 5.1.5 Outside surfaces likely to be handled shall be free of sharp edges BS EN 13617-3:2012 EN 13617-3:2012 (E) 5.2 Specific requirements 5.2.1 Means shall be provided to connect the shear valve to input and output pipework The means selected shall not fail at forces less than the design shear force of the shear valve 5.2.2 The shear valve shall be so designed that after fracture of the weak section, the input and output sections shall be completely decoupled 5.2.3 The shear valve shall not have a means to prevent the main valve from closing completely when it is operated by the weak section or by the thermal detector 5.2.4 The thermal detector shall be so constructed that when it operates the main valve closes 5.2.5 Shear valves for liquids may include a manual means of closing the main valve (liquid) for maintain purposes 5.2.6 Test plugs, where fitted to shear valves in liquid containment systems, shall be on the inlet side of the main valve 5.3 Classes of construction Shear valves are classified in accordance with Table Table — Classes of construction Valve type Class I II III Main valve Yes Yes Yes Thermal detector Yes Yes No Check valve Yes No No Pressure relief valve Yes No No Class I and II for liquid pressure systems, Class III for vapour systems only 5.4 Threads Input and output threads shall be in accordance with ISO 7–1 Physical properties The physical properties of the shear valve shall conform to Table when tested by the methods indicated Table — Physical properties of shear valve Physical property Requirement Test method Fuel compatibility (preconditioning) Clause B.5 Electrostatic properties 6.7 of EN 13463-1:2009 EN 13463-1 Fire resistance EN ISO 1182 EN ISO 1182 BS EN 13617-3:2012 EN 13617-3:2012 (E) Operational requirements The shear valve shall conform to the operational requirements according to Table and Table when tested by the methods indicated Table — Operational requirements Item Requirement Test method Housing No quantifiable leakage, as evidenced by bubbles, or permanent deformation visible to an eye with normal visual acuity B.2 Main valve No quantifiable leakage, as evidenced by bubbles, or permanent deformation visible to an eye with normal visual acuity B.3 Housing B.6.5 No catastrophic damage B.6.7 No leakage B.6 Main valve B.7.5 No catastrophic damage B.7 B.7.7 No leakage Check valve (class I only) No quantifiable leakage or permanent deformation visible to an eye with normal visual acuity B.8 Pressure relief valve (class I only) There shall be a continuous leak through the relief valve B.9 Thermal link (class I and class II only) Main valve shall remain open B.10 Thermal link (class I and class II only) Main valve shall be closed B.11 Main valve closure (Shear valve for liquids) Main valve shall be closed There shall be no continuous leakage past main valve Weak section shall have permitted separation of the inlet and outlet sections B.12 Main valve closure (Shear valve for vapour recovery) Main valve shall be closed There shall be no continuous leakage past main valve Weak section shall have permitted separation of the inlet and outlet sections B.13 Fire resistance EN ISO 1182 EN ISO 1182 Tests 8.1 General Testing shall be performed in accordance with Table 8.2 Type tests All four shear valves shall be preconditioned in accordance with B.5, and then tested in accordance with B.6, B.7, B.8 and B.9 One unit shall be tested in accordance with B.10 and than B.11 Two units shall be tested in accordance with B.12 or B.13 One unit shall be tested in accordance with EN ISO 1182 8.3 Production acceptance tests Thermal link tests, check valve test and main valve closure test shall be performed on a sample of not less than 0,5 % of any given batch; each batch shall have at least one sample tested These tests shall be in accordance with Table BS EN 13617-3:2012 EN 13617-3:2012 (E) 8.4 Routine tests Routine tests shall be performed on each finished shear valve Table — Tests Property Type test Clause reference Production acceptance test Clause reference Routine test Clause reference B.5 – – EN ISO 1182 – – Pressure test B.6 – B.2 Main valve test B.7 – B.3 Check valve test B.8 – – Pressure relief valve test B.9 – B.4 Thermal link test B.10 B.10 – Thermal link test B.11 B.11 – Main valve closure test (shear valve for liquids) B.12 B.12 – Main valve closure test B.13 B.13 – EN ISO 1182 – – Physical property Fuel compatibility test Fire resistance test Operational requirements (shear valve for vapour recovery) Fire resistance test 9.1 Information for use General Information for use shall be according to Annex A and EN 13617-1 9.2 Marking and instruction If the size of the shear valves is not large enough for the marking, only the name of the manufacturer and the class of the shear valve shall be marked All further details of the marking may be included in the declaration form Shear valves shall be marked legibly and indelibly during the manufacturing process; where necessary this marking may be made visible for inspection by the easy removal of plastic covers Marking shall include at least the following information: manufacturer's name or identification, EN number, the ambient temperature range if it is outside the temperature range of -20 °C to +40 °C, class – as defined by this document, manufacturer's type indication, BS EN 13617-3:2012 EN 13617-3:2012 (E) serial number, batch code or date code with a precision of at least year and quarter, direction of flow, if necessary In case of extended temperature range, this shall be visibly marked Instructions shall be provided by the manufacturer for the safe installation, operation and maintenance of the shear valve 10 BS EN 13617-3:2012 EN 13617-3:2012 (E) Annex A (normative) Instructions Guide for items to be included in manufacturers' installation and user manual 1) Specification for mounting of shear valve to ensure that mounting does not break free before the shear valve operates For the effective operation of a shear valve, it shall be mounted such that the external forces are permitted to act directly on its separation zone In general, this requirement shall be realised by attaching the shear valve, via one of its mounting points, to a separate and rigid structure which forms part of the pump/dispenser housing and via the other attachment point to a separate and rigid structure forming the pipework external to the pump/dispenser housing Means shall be provided to enable both input and output sections of the shear valve to be installed securely such that, in the event of an impact on the dispenser, the input forces are transmitted to the weak section 2) Requirement to remove shipping auxiliaries before use 3) Instructions for the proper installation of the test plug, if fitted 4) Warning about the dangers of manually setting and re-setting shear valves 5) Information as to how to make leak-tight input and output joints 11 BS EN 13617-3:2012 EN 13617-3:2012 (E) Annex B (normative) Test methods B.1 General requirements All pressure is by gauge (over-pressure) readings All tests shall be carried out at (20 ± 5) °C unless otherwise noted B.2 Pressure test (routine test) B.2.1 To confirm that the pressurised compartments of the shear valve body withstand a pressure of 525 kPa (5,25 bar) B.2.2 The main valve of the shear valve shall be open and the outlet of the shear valve shall be plugged The shear valve shall be totally immersed in water and air pressure of (525 +−500 ) kPa [( 5,25 +0−,05 ) bar] via the inlet applied B.2.3 After s, while pressure is maintained, it shall be observed for leaks and after pressure is removed it shall be observed for permanent deformation The results shall be recorded B.2.4 Alternatively to this test, for instance a pressure differential test, may be applied provided the results are comparable to those achieved by this test B.3 Main valve test (routine test) B.3.1 To confirm that the closed main valve can withstand a pressure of 525 kPa [(5,25 bar)] B.3.2 The outlet of the shear valve shall be open, the main valve shall be closed ( ) +50 The shear valve shall be totally immersed in water and air pressure of 525 −0 kPa [( 5,25 +0−,05 ) bar] via the inlet shall be applied B.3.3 B.3.4 After s, while pressure is maintained, it shall be observed for leaks and after pressure is removed it shall be observed for permanent deformation The results shall be recorded B.3.5 Alternatively to this test, for instance a pressure differential test, may be applied provided the results are comparable to those achieved by this test B.4 Pressure relief valve test (routine test) B.4.1 To confirm that the pressure relief valve operates at a pressure not exceeding 200 kPa (2 bar) B.4.2 The main valve shall be opened and the check valve shall be closed B.4.3 Air pressure of ( 180 +−200 ) kPa [( 1,8 +0−,20 ) bar] via the outlet of the shear valve shall be applied B.4.4 It shall be observed and the pressure shall be recorded 12 BS EN 13617-3:2012 EN 13617-3:2012 (E) B.5 Fuel preconditioning (type test) B.5.1 To precondition materials used in the construction of the shear valve in a defined manner B.5.2 The preconditioning fluid shall be that specified in EN 976–1 B.5.3 The preconditioning temperature shall be (23 ) °C +2 −0 B.5.4 With the inlet valve and check valve open, the entire shear valve assembly shall be immersed in test fluid and shall be maintained in that state for not less than 168 h B.6 Pressure test (type test) B.6.1 To confirm that the containment system is of sufficient strength B.6.2 The inlet side of the shear valve shall be connected to a device capable of supplying hydraulic pressure B.6.3 The outlet side of the shear valve shall be plugged The main valve shall be open B.6.4 Hydraulic pressure shall be applied at ( 1,4 B.6.5 It shall be observed what happens and the results shall be recorded B.6.6 The applied hydraulic pressure shall be modified to ( 525 +−100 ) kPa [( 5,25 +0−,01 ) bar] and shall be applied +0, 01 −0 ) MPa [( 14 +0−,01 ) bar] for not less than 60 s for not less than 60 s B.6.7 It shall be observed what happens and the results shall be recorded B.7 Main valve test (type test) B.7.1 To confirm that the closed main valve can withstand a pressure of 1,4 MPa (14 bar) B.7.2 The inlet side of the shear valve shall be connected to a device capable of supplying hydraulic pressure B.7.3 The outlet of the shear valve shall be open, the main valve shall be closed B.7.4 Hydraulic pressure shall be applied at ( 1,4 +0,−010 ) MPa [( 14 +0−,01 ) bar] for not less than 60 s B.7.5 It shall be observed what happens and the results shall be recorded B.7.6 The applied hydraulic pressure shall be modified to ( 525 +−100 ) kPa [( 5,25 +0−,01 ) bar] and shall be applied for not less than 60 s B.7.7 It shall be observed what happens and the results shall be recorded B.8 Check valve test (class I only) (type test) B.8.1 To confirm that the check valve can withstand a pressure of 210 kPa (2,1 bar) B.8.2 The check valve shall be closed It shall be ensured that the pressure relief valve cannot open 13 BS EN 13617-3:2012 EN 13617-3:2012 (E) B.8.3 Hydraulic pressure of ( 210 +−100 ) kPa [( 2,1+0−,01 ) bar] via the outlet of the shear valve shall be applied for not less than 60 s B.8.4 It shall be observed what happens and the results shall be recorded B.9 Pressure relief valve test (class I only) (type test) B.9.1 To confirm that the pressure relief valve operates at a pressure not exceeding 200 kPa (2 bar) B.9.2 The main valve shall be opened and the check valve shall be closed B.9.3 Hydraulic pressure of ( 190 +−100 ) kPa [( 1,9 +0,1 −0 ) bar] via the outlet of the shear valve shall be applied for not less than 60 s B.9.4 The flow through the pressure relief valve shall be observed and recorded B.10 Thermal link test (class I and class II only) (type test and production acceptance test) B.10.1 To confirm that the main valve does not close automatically at a temperature of 68 °C B.10.2 The main valve shall be open +1 B.10.3 The shear valve shall be placed in an oven set to ( 68 −5 ) °C The shear valve shall be observed after 30 to determine whether the inlet valve has operated The results shall be recorded B.11 Thermal link test (class I and class II only) (type test and production acceptance test) B.11.1 To confirm that the main valve closed automatically at a temperature of 76 °C B.11.2 The main valve shall be open +1 B.11.3 The shear valve shall be placed in an oven set to ( 76 −5 ) °C The shear valve shall be observed after 30 to determine whether the inlet valve has operated The results shall be recorded B.12 Main valve closure test (type test and production acceptance test) B.12.1 To confirm that the main valve closes when the shear valve is subjected to a specified bending moment B.12.2 The shear valve shall be mounted, with its outlet blocked off, in a test rig and a liquid pressure of (350 ± 10) kPa [(3,5 ± 0,1) bar] shall be applied to the inlet B.12.3 A bending moment shall be applied in any radial direction across the plane of the weak section The bending moment shall be increased from zero, at (300 ± 30) N⋅ms-1, to a maximum of 880 N m B.12.4 The liquid pressure shall be maintained for 30 s after the maximum applied bending moment is reached B.12.5 The maximum applied bending moment shall be recorded The shear valve shall be observed and observations shall be recorded 14 BS EN 13617-3:2012 EN 13617-3:2012 (E) B.13 Main valve closure test (type test and production acceptance test) B.13.1 To confirm that the main valve closes when the shear valve is subjected to a specified bending moment B.13.2 The shear valve shall be mounted in a test rig B.13.3 A bending moment shall be applied in any radial direction, between the upper and lower sections The bending moment shall be increased from zero, at (300 ± 30) N ms-1, to a maximum of 880 N m B.13.4 The maximum applied bending moment shall be recorded The shear valve shall be observed and observations shall be recorded 15 BS EN 13617-3:2012 EN 13617-3:2012 (E) Annex C (informative) Environmental aspects C.1 Materials should be selected to optimize product durability and lifetime and consideration should be made to avoiding the selection of rare or hazardous materials C.2 Consideration should be made to using recycled or re-used materials, and to the selection of materials which can then be subsequently recycled C.3 The possibility of marking components to aid to their sorting for disposal/recycling at end of life should also be reviewed C.4 Packaging design should consider using recycled materials, and materials that need little energy for their manufacture, and should minimize waste C.5 Packaging design should consider subsequent re-use and recycling C.6 The size and weight of packaging should be minimized whilst protecting the products to minimize waste through damage C.7 Test fluids should be used and disposed of in accordance with manufacturer’s instructions 16 BS EN 13617-3:2012 EN 13617-3:2012 (E) Stages of the life cycle Incineration without energy recovery C.2,C.3 C.5 Final disposal Reuse/ Material and Energy Recovery C.2,C.3 C.5 Transportation All stages End-of-Life Use of additional products Maintenance and repair Use Use Packaging Production components factured Production materials & Pre-manu- Acquisition Raw materials and energy Environmental Issue Environmental Checklist Inputs Materials C.1,C.2 C.1,C.2 C.5 C.2,C.3 C.5 Water C.4 Energy C.6 Land Outputs Emissions to air C.7 Discharges to water Discharges to soil Waste C.7 C.2,C.3 C.5,C.6 Noise, vibration, radiation, heat Other relevant aspects Risk to the environment from accidents or unintended use Customer information Comments: NOTE The stage of packaging refers to the primary packaging of the manufactured product Secondary or tertiary packaging for transportation, occurring at some or all stages of the life cycle, is included in the stage of transportation NOTE Transportation can be dealt with as being a part of all stages (see checklist) or as separate sub-stage To accommodate specific issues relating to product transportation and packaging, new columns can be included and/or comments can be added 17 BS EN 13617-3:2012 EN 13617-3:2012 (E) Annex ZA (informative) Relationship between this European Standard and the Essential Requirements of EU Directive 94/9/EC This European Standard has been prepared under a mandate given to CEN by the European Commission and the European Free Trade Association to provide a means of conforming to Essential Requirements of the New Approach Directive 94/9/EC Once this standard is cited in the Official Journal of the European Union under that Directive and has been implemented as a national standard in at least one Member State, compliance with the normative Clauses of this standard given in Table ZA.1 confers, within the limits of the scope of this standard, a presumption of conformity with the corresponding Essential Requirements of that Directive and associated EFTA regulations Table ZA.1 – Correspondence between this European Standard and Directive 94/9/EC Essential Requirements of Directive 94/9/EC 1.0.1 Qualifying remarks/Notes Principles of integrated explosion safety Relevant clause(s) in this European standard 1.0.2 Design for misuse 1.0.3 Special checking and maintenance conditions Annex A 1.0.4 Surrounding area conditions 1.0.5 Marking 1.0.6 Instructions Annex A 1.1.1 Materials must not trigger off an explosion 1.1.2 No reactions of materials and explosive atmospheres 1.1.3 No reduction in protection due to corrosion, wear, etc 1.2.1 Regard to technological knowledge 5, 6, 1.2.2 Intended purpose is as a component of a dispenser according to EN 13617-1 5, 6, 1.2.3 Enclosed structures and prevention of leaks 1.2.5 Additional means of protection 1.2.7 (a) Physical injury or other harm 5.1.5 1.2.7 (d) Overloads 5, 6, 1.3.1 Hazards arising from different ignition sources 5.1.1, 5.1.3, 1.3.2 Hazards arising from static electricity 1.4.2 Mechanical and thermal stress, aggressive substances 2.2.1.1 No sources of ignition in event of operating faults 4.2 WARNING — Other requirements and other EU Directives may be applicable to the product(s) falling within the scope of this 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