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prEN 14129 Edition 07/2022
LPG Equipment and accessories - Pressure relief valves for LPG pressure vessels
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Abstract

This European Standard specifies the requirements for the design and testing of spring loaded pressure relief valves and thermal expansion valves for use in: - static LPG pressure vessels, NOTE The pressure vessels can be situated above ground, underground or mounded. - LPG pressure vessels 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, changeover manifolds and vent pipes are specified in EN 14071. EN 14570 identifies the requirements for the pressure relief valve capacities for static pressure vessels. EN 12252 identifies the requirements for the pressure relief valve capacities for road tankers. Valves designed in accordance with this standard are specifically for use in LPG applications. Valves manufactured in accordance with EN ISO 4126 1 may also be used in certain LPG applications. Terms used with LPG pressure relief valves are described graphically in Annex A.

Status

Draft - Active
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Origin

Technical Committee :
CEN/TC 286 : Liquefied petroleum gas equipment and accessories

Implementation

start of the vote on the project    11/03/2021   date of ratification (dor)    07/06/2022
end of the vote on the project    03/06/2021   date of anouncement (doa)    05/10/2022
start of the vote on the final project    15/03/2022   date of publication (dop)    05/01/2023
end of the vote on the final project    10/05/2022   date of withdrawal (dow)    05/01/2023


Publication Official Journal
of the Grand-Duchy of Luxembourg
Reference

Relations

Relations to older standards
ILNAS-EN 14129:2014

International Classification for Standards (ICS codes) :

23.060.40 : Pressure regulators

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