SIST EN 13617-3:2004
(Main)Petrol filling stations - Part 3: Safety requirements for construction and performance of shear valves
Petrol filling stations - Part 3: Safety requirements for construction and performance of shear valves
This document 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.
It pays particular attention to mechanical and hydraulic characteristics.
NOTE Liquefied petroleum gas (LPG) is not a liquid in the sense of this document.
Tankstellen - Teil 3: Sicherheitstechnische Anforderungen an Bau- und Arbeitsweise von Abscherventilen
Dieses Dokument legt die sicherheitstechnischen und Umweltanforderungen an den Bau und die Arbeitsweise von Abscherventilen an Zapfsäulen, druckversorgten Zapfsäulen und/oder Nebenzapfstellen fest, die an Tankstellen für die Abgabe von flüssigen Kraftstoffen in Tanks von Automobilen, Booten und Leichtflugzeugen und in tragbare Behälter bei Durchflussraten bis zu 200 l × min-1 installiert werden.
In dem Dokument werden besonders die mechanischen und hydraulischen Eigenschaften berücksichtigt.
ANMERKUNG Flüssiggas (LPG) ist keine Flüssigkeit im Sinne dieses Dokuments.
Stations-service - Partie 3 : Exigences de sécurité relatives a la construction et aux performances des raccords de sécurité
Le présent document spécifie les exigences relatives a la construction et aux performances en matiere de sécurité et de protection de l'environnement des raccords de sécurité a monter sur des distributeurs et/ou systemes de livraison satellites installés sur stations-service et utilisés pour distribuer des carburants liquides dans les réservoirs de véhicules a moteur, de bateaux, d'avions légers et dans des réservoirs portables, a des débits pouvant atteindre 200 l×min-1.
Elle accorde une importance particuliere aux caractéristiques mécaniques et hydrauliques.
NOTE Le gaz de pétrole liquéfié (GPL) n'est pas un carburant liquide au sens du présent document.
Bencinske črpalke - 3. del: Varnostne zahteve za izdelavo in lastnosti zapornih strižnih ventilov
General Information
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Standards Content (Sample)
2003-01.Slovenski inštitut za standardizacijo. Razmnoževanje celote ali delov tega standarda ni dovoljeno.Petrol filling stations - Part 3: Safety requirements for construction and performance of shear valvesStations-service - Partie 3 : Exigences de sécurité relatives a la construction et aux performances des raccords de sécuritéTankstellen - Teil 3: Sicherheitstechnische Anforderungen an Bau- und Arbeitsweise von Abscherventilen75.200Petroleum products and natural gas handling equipmentICS:SIST EN 13617-3:2004enTa slovenski standard je istoveten z:EN 13617-3:200401-november-2004SIST EN 13617-3:2004SLOVENSKI
STANDARD
EUROPEAN STANDARDNORME EUROPÉENNEEUROPÄISCHE NORMEN 13617-3August 2004ICS 75.200 English versionPetrol filling stations - Part 3: Safety requirements forconstruction and performance of shear valvesStations-service - Partie 3 : Exigences de sécurité relativesà la construction et aux performances des raccords desécuritéTankstellen - Teil 3: Sicherheitstechnische Anforderungenan Bau- und Arbeitsweise von AbscherventilenThis European Standard was approved by CEN on 24 June 2004.CEN members are bound to comply with the CEN/CENELEC Internal Regulations which stipulate the conditions for giving this EuropeanStandard the status of a national standard without any alteration. Up-to-date lists and bibliographical references concerning such nationalstandards may be obtained on application to the Central Secretariat or to any CEN member.This European Standard exists in three official versions (English, French, German). A version in any other language made by translationunder the responsibility of a CEN member into its own language and notified to the Central Secretariat has the same status as the officialversions.CEN members are the national standards bodies of Austria, Belgium, Cyprus, Czech Republic, Denmark, Estonia, Finland, France,Germany, Greece, Hungary, Iceland, Ireland, Italy, Latvia, Lithuania, Luxembourg, Malta, Netherlands, Norway, Poland, Portugal, Slovakia,Slovenia, Spain, Sweden, Switzerland and United Kingdom.EUROPEAN COMMITTEE FOR STANDARDIZATIONCOMITÉ EUROPÉEN DE NORMALISATIONEUROPÄISCHES KOMITEE FÜR NORMUNGManagement Centre: rue de Stassart, 36
B-1050 Brussels© 2004 CENAll rights of exploitation in any form and by any means reservedworldwide for CEN national Members.Ref. No. EN 13617-3:2004: E
EN 13617-3:2004 (E) 2 Contents Foreword.3 Introduction.4 1 Scope.5 2 Normative references.5 3 Terms and definitions.5 4 Explosion protection measures.6 5 Construction.6 5.1 General requirements.6 5.2 Specific requirements.6 5.3 Classes of construction.7 5.4 Threads.7 6 Physical properties.7 7 Operational requirements.7 8 Tests.8 8.1 General.8 8.2 Type tests.8 8.3 Production acceptance tests.8 8.4 Routine tests.8 9 Information for use.9 9.1 General.9 9.2 Marking and instruction.9 Annex A (normative)
Instructions.11 Annex B (normative)
Test methods.12 Annex ZA (informative)
Relationship between this European Standard and the Essential Requirements of EU Directive 94/9/EC.16 Tables Table 1 — Classes of construction.7 Table 2 — Physical properties of shear valve.7 Table 3 — Operational requirements.8 Table 4 — Tests.9 Table ZA.1 — Correspondence between this European Standard and Directive 94/9/EC.17
EN 13617-3:2004 (E) 3 Foreword This document (EN 13617-3:2004) has been prepared by Technical Committee CEN/TC 221 “Shop fabricated metallic tanks and equipment for storage tanks and for service 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 February 2005, and conflicting national standards shall be withdrawn at the latest by February 2005. This document has been prepared under a mandate given to CEN by the European Commission and the European 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 the CEN/CENELEC Internal Regulations, the national standards organizations of the following countries are bound to implement this European Standard: Austria, Belgium, Cyprus, Czech Republic, Denmark, Estonia, Finland, France, Germany, Greece, Hungary, Iceland, Ireland, Italy, Latvia, Lithuania, Luxembourg, Malta, Netherlands, Norway, Poland, Portugal, Slovakia, Slovenia, Spain, Sweden, Switzerland and United Kingdom.
EN 13617-3:2004 (E) 4 Introduction The function of the shear valve is to prevent continuous liquid or vapour release in the event of impact or fire.
EN 13617-3:2004 (E) 5
1 Scope This document 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. It pays particular attention to mechanical and hydraulic characteristics. NOTE Liquefied petroleum gas (LPG) is not a liquid in the sense of this document. 2 Normative references The following referenced documents are indispensable for the application of this document. 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 non-pressure 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 13463–1:2001, Non-electrical equipment for potentially explosive atmospheres — Part 1: Basic method and requirements EN 13617-1:2004, Petrol filling stations - Part 1: Safety requirements for construction and performance of metering pumps, dispensers and remote pumping units EN 60079-0, Electrical apparatus for potentially explosive atmospheres — General requirements EN ISO 1182, Reaction to fire tests for building products - Non-combustibility test (ISO 1182:2002) ISO 7–1, Pipe threads where pressure-tight joints are made on the threads — Part 1: Dimensions, tolerances and designations 3 Terms and definitions For the purposes of this document, the terms and definitions given in EN 13617–1:2004 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 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
EN 13617-3:2004 (E) 6 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 4 Explosion protection measures 4.1 Explosion protection measures shall be taken in accordance with EN 1127-1 and Annex B of EN 13617-1:2004. 4.2 Equipment and components used within hazardous areas shall be suitable as a minimum requirement for Explosion Group IIA and temperature class T3 as defined in EN 60079-0 and EN 13463–1.
Inside the vapour path the requirements for equipment group II, Category 1 as defined in EN 13463-1:2001 shall apply. 5 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 13463-1:2001. 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 8. 5.1.3 Light alloys when used shall conform to the requirements of Clause 8 of EN 13463–1:2001. 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. 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.
EN 13617-3:2004 (E) 7 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 1. Table 1 — Classes of construction Class Valve type 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. 6 Physical properties The physical properties of the shear valve shall conform to Table 2 when tested by the methods indicated. Table 2 — Physical properties of shear valve Physical property Requirement Test method Fuel compatibility (preconditioning) Clause 5 B.5 Electrostatic properties 7.4 of EN 13463-1:2001 Manufacturer’s declaration Fire resistance EN ISO 1182 EN ISO 1182
7 Operational requirements The shear valve shall conform to the operational requirements according to Table 3 and
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