EN 14129:2004
(Main)Pressure relief valves for LPG tanks
Pressure relief valves for LPG tanks
This document specifies the requirements for the design and testing of spring loaded pressure relief valves and thermal expansion valves for use in:
- static LPG tanks,
NOTE The tanks can be situated above ground, underground or mounded.
- LPG tanks on road tankers, rail tankers, tank-containers or demountable tanks.
This document does not address production testing.
Normative annex B prescribes testing with conditioning at - 40 °C for valves for use under extreme low temperature conditions.
The requirements for pressure relief valve accessories such as isolating devices, manifolds and vent pipes are specified in prEN 14071.
prEN 14570 identifies the requirements for the pressure relief valve capacities for static tanks. See EN 12252 for road tankers.
Sicherheitsventile für Flüssiggas-Behälter
Dieses Dokument legt die Anforderungen an die Konstruktion, Herstellung, Prüfung und Inspektion für federbelastete Sicherheitsventile und Wärmeausdehnungsventile fest, die in
- ortsfesten Flüssiggas-Behältern,
ANMERKUNG Die Behälter können oberirdisch, unterirdisch oder erdüberdeckt aufgestellt werden.
- Flüssiggas-Behältern auf Tankwagen, Schienenfahrzeugen, Tankcontainern oder abnehmbaren Tanks
eingebaut werden.
Dieses Dokument gilt nicht für die Fertigungsprüfung.
Der normative Anhang B beschreibt die Prüfung bei - 40 °C an Ventilen für die Anwendung unter sehr niedrigen Temperaturbedingungen.
Die Anforderungen an Zusatzeinrichtungen wie Schließeinrichtungen, Ventilverteiler und Abblasleitungen für Sicherheitsventile sind in prEN 14071 festgelegt.
prEN 14570 enthält die Anforderungen an das Fassungsvermögen von Sicherheitsventilen für ortsfeste Flüssiggas-Behälter. Siehe EN 12252 für Straßentankwagen.
Soupapes de sécurité pour réservoirs de GPL
Le présent document spécifie les exigences pour la conception et les essais des soupapes de sécurité et des clapets d'expansion thermique à ressort pour utilisation sur :
- des réservoirs de GPL fixes ;
NOTE Les réservoirs peuvent être aériens, enterrés ou sous talus.
- des citernes de GPL de véhicules-citernes, de wagons-citernes, des conteneurs citernes ou des citernes démontables.
Le présent document ne traite pas des essais en cours de fabrication.
L'Annexe B, normative, stipule des essais avec un conditionnement à - 40 °C pour des soupapes destinées à être utilisées dans des conditions de températures extrêmement basses.
Les exigences concernant les accessoires des soupapes de sécurité, tels que les dispositifs d'isolement, les collecteurs et les tuyauteries d'échappement sont spécifiées dans le prEN 14071.
Le prEN 14570 identifie les exigences relatives à la capacité des soupapes de sécurité destinées aux réservoirs fixes. Pour les véhicules-citernes, voir l'EN 12252.
Varnostni ventili za rezervoarje za utekočinjeni naftni plin (UNP)
General Information
Relations
Standards Content (Sample)
2003-01.Slovenski inštitut za standardizacijo. Razmnoževanje celote ali delov tega standarda ni dovoljeno.Pressure relief valves for LPG tanksSoupapes de sécurité pour réservoirs de GPLSicherheitsventile für Flüssiggas-BehälterTa slovenski standard je istoveten z:EN 14129:2004SIST EN 14129:2005en23.060.40ICS:SLOVENSKI
STANDARDSIST EN 14129:200501-januar-2005
EUROPEAN STANDARDNORME EUROPÉENNEEUROPÄISCHE NORMEN 14129October 2004ICS 23.060.40 English versionPressure relief valves for LPG tanksSoupapes de sûreté pour réservoirs de GPLSicherheitsventile für Flüssiggas-BehälterThis European Standard was approved by CEN on 23 August 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 14129:2004: E
Terms used with LPG pressure relief valves.16 Annex B (Normative)
Special low temperature requirements for valves.17 Annex ZA (informative)
Relationship between this European Standard and the Essential Requirements of EU Directive 97/23/EC.18 Bibliography.19
prEN 14071, Pressure relief valves for LPG tanks – Ancillary equipment ISO 7-1, Pipe threads where pressure-tight joints are made on the threads -- Part 1: Dimensions, tolerances and designation. ANSI/ASME B1.20.1 – 1983, Pipe threads, general purpose (inch) issued by American National Standards
Institute on 1983. 3 Terms and definitions For the purposes of this document, the following terms and definitions apply. 3.1 pressure relief valve 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
3.2 thermal expansion valve self-closing valve which automatically, without the assistance of any energy other than that of the fluid concerned, discharges fluid at a predetermined pressure
3.3 spring loaded pressure relief valve valve in which the loading due to the vapour pressure underneath the sealing element is opposed only by the force of a spring 3.4 external pressure relief valve pressure relief valve which when fitted to the LPG tank has the spring external to the pressure envelope (see figure 1)
Figure 1 — External pressure relief valve 3.5 internal pressure relief valve pressure relief valve which when fitted to the LPG tank has the spring internal to the pressure envelope
Figure 2 — Semi-internal pressure relief valve 3.5.2 fully internal pressure relief valves internal pressure relief valve in which all the working parts and the wrenching section are recessed and within the profile of the tank (see Figure 3)
Figure 3 — Fully internal pressure relief valve 3.6 pressure/flow terms NOTE 1 Terms used with LPG pressure relief valves are described graphically in Annex A. NOTE 2 All pressures are gauge pressures unless otherwise specified.
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