EN 14071:2004

2003-01.Slovenski inštitut za standardizacijo. Razmnoževanje celote ali delov tega standarda ni dovoljeno.Pressure relief valves for LPG tanks - Ancillary equipmentRSUHPDSoupapes de sureté des réservoirs de gaz de pétrole liquéfié (GPL) - Equipement auxiliaireSicherheitsventile für Flüssiggas-(LPG)-behälter - ZubehörTa slovenski standard je istoveten z:EN 14071:2004SIST EN 14071:2005en23.060.40ICS:SLOVENSKI
STANDARDSIST EN 14071:200501-marec-2005

EUROPEAN STANDARDNORME EUROPÉENNEEUROPÄISCHE NORMEN 14071December 2004ICS 23.060.40English versionPressure relief valves for LPG tanks - Ancillary equipmentSoupapes de sûreté des réservoirs de gaz de pétroleliquéfié (GPL) - Equipement auxiliaireSicherheitsventile für Flüssiggas-(LPG)-behälter - ZubehörThis European Standard was approved by CEN on 20 October 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 14071:2004: E

Dimensions of master test pieces for PRV and isolating devices.19 Annex ZA (informative)
Relationship between this European Standard and the Essential Requirements of EU Directive 97/23/EC.21 Bibliography.22

The material shall resist atmospheric corrosion, brass dezincification, stress corrosion, impact or material failure.
Where stress corrosion could be present in a material, stress relieving heat treatment shall be carried out where necessary. 5.1.3 The components exposed to atmosphere shall be manufactured from corrosion resistant materials or suitably protected against corrosion. 5.1.4 Alternative materials to those listed in 5.2 are not precluded, providing they comply with a standard or specification that ensures control of chemical and physical properties and quality appropriate to the end use. 5.2 Metallic materials 5.2.1 Equipment shall be made from steel, stainless steel, copper alloys or other suitable materials. 5.2.2 For pressure containing components steel and stainless steels shall comply with EN 1503-1 or
EN 1503-2, cast iron shall comply with EN 1503-3 and copper alloys shall comply with EN 1503-4. 5.2.3 Components made from stainless steel shall contain not less than 17 % chromium, and not less than 7 % nickel. 5.2.4 Springs shall be manufactured from stainless steel in accordance with EN 10088-1 and EN 10088-3 or material with an equivalent resistance to corrosion. 5.2.5 Hot stamped brass shall be non-porous and shall be suitable for machining or other processes. Leaded brass shall be CW614N or CW617N in accordance wit
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