EN 14071:2015

2003-01.Slovenski inštitut za standardizacijo. Razmnoževanje celote ali delov tega standarda ni dovoljeno.Flüssiggas-Geräte und Ausrüstungsteile - Druckentlastungsventile für Behälter für Flüssiggas (LPG) - ZusatzausrüstungÉquipements pour GPL et leurs accessoires - Soupapes de sûreté des réservoirs de gaz de pétrole liquéfié (GPL) - Équipement auxiliaireLPG equipment and accessories - Pressure relief valves for LPG pressure vessels - Ancillary equipment23.060.40Pressure regulators23.020.30MHNOHQNHPressure vessels, gas cylindersICS:Ta slovenski standard je istoveten z:EN 14071:2015SIST EN 14071:2015en,fr,de01-julij-2015SIST EN 14071:2015SLOVENSKI
STANDARDSIST EN 14071:20051DGRPHãþD

EUROPEAN STANDARD NORME EUROPÉENNE EUROPÄISCHE NORM
EN 14071
May 2015 ICS 23.060.40 Supersedes EN 14071:2004English Version
LPG equipment and accessories - Pressure relief valves for LPG pressure vessels - Ancillary equipment
Équipements pour GPL et leurs accessoires - Soupapes de sécurité des réservoirs de gaz de pétrole liquéfié (GPL) - Équipement auxiliaire
Flüssiggas-Geräte und Ausrüstungsteile - Druckentlastungsventile für Behälter für Flüssiggas (LPG) -Zusatzausrüstung This European Standard was approved by CEN on 5 March 2015.
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, 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, Switzerland, Turkey and United Kingdom.
EUROPEAN COMMITTEE FOR STANDARDIZATION
COMITÉ EUROPÉEN DE NORMALISATION EUROPÄISCHES KOMITEE FÜR NORMUNG
CEN-CENELEC Management Centre:
Avenue Marnix 17,
B-1000 Brussels © 2015 CEN All rights of exploitation in any form and by any means reserved worldwide for CEN national Members. Ref. No. EN 14071:2015 ESIST EN 14071:2015

Dimensions of master test pieces for PRV and isolating devices . 21 Annex ZA (informative) Relationship between this European Standard and the Essential Requirements of EU Directive 97/23/EC for pressure equipment . 23 Bibliography . 25
Part 1: Anaerobic jointing compounds EN 751-2, Sealing materials for metallic threaded joints in contact with 1st, 2nd and 3rd family gases and hot water
Part 2: Non-hardening jointing compounds EN 751-3, Sealing materials for metallic threaded joints in contact with 1st, 2nd and 3rd family gases and hot water
Part 3: Unsintered PTFE tapes EN 1092-1, Flanges and their joints
Circular flanges for pipes, valves, fittings and accessories, PN designated
Part 1: Steel flanges EN 1503-1:2000, Valves
Materials for bodies, bonnets and covers
Part 1: Steels specified in European Standards EN 1503-2:2000, Valves
Materials for bodies, bonnets and covers
Part 2: Steels other than those specified in European Standards EN 1503-3:2000, Valves
Materials for bodies, bonnets and covers
Part 3: Cast irons specified in European Standards EN 1503-4:2002 Valves
Materials for bodies, bonnets and covers
Part 4: Copper alloys specified in European Standards EN 1563:2011, Founding
Spheroidal graphite cast irons EN 10204:2004, Metallic products
Types of inspection documents EN 10270-3:2011, Steel wire for mechanical springs
Part 3: Stainless spring steel wire EN 12164:2011, Copper and copper alloys
Rod for free machining purposes EN 12165:2011, Copper and copper alloys
Wrought and unwrought forging stock EN 12420, Copper and copper alloys
Forgings EN 13480-3:2012, Metallic industrial piping
Part 3: Design and calculation SIST EN 14071:2015

Calculation and design
Part 1 : Compression springs EN 14129:2014, LPG Equipment and accessories
Pressure relief valves for LPG pressure vessels ISO 6957, Copper alloys — Ammonia test for stress corrosion resistance ASME B1.20.1:2013, Pipe threads, general purpose (inch) 3 Terms and definitions For the purposes 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, butane isomers, butene with traces of other hydrocarbon gases 3.2 pressure vessel assembly of the pressure envelope (including the openings and their closures) and non-pressure-retaining parts attached directly to it 3.3 pressure relief valve (PRV) self-closing valve which automatically, without the assistance of any energy other than that of the vapour concerned, discharges vapour at a predetermined pressure, and operates with a pop action Note 1 to entry: This is known as a “safety valve” in ADR. 3.4 pressure relief valve system PRV system pressure relief valve(s) for use on the pressure vessel complete with isolating device or PRV manifold, and vent pipe where appropriate 3.5 pressure relief valve isolating device device fitted between the storage tank and the external pressure relief valve, which permits the replacement of the pressure relief valve without de-pressuring the pressure vessel 3.6 coefficient of discharge Kd ratio of the actual measured flow capacity divided by the calculated theoretical capacity for the same fluid at the same operating conditions 3.7 pressure relief valve manifold PRV manifold device fitted to a storage vessel permitting two or more pressure relief valves to be fitted only one of which can be isolated at a time, which permits replacement of the isolated pressure relief valve without depressurizing the vessel SIST EN 14071:2015
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