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SFS-EN 17921:2024:en

Natural gas fuelling stations. LNG unloading connector

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Scope
This document specifies a harmonized unloading connector for LNG road tanker at LNG fuelling stations. This document is also applicable to LNG RID applications. While LNG is also transported by rail, European regulations are organized through the International Carriage of Dangerous Goods by Rail (RID). The same configuration as defined by this document, can be utilized. This document includes requirements for (at least): -functional description of the LNG unloading receptacle and LNG unloading nozzle; -technical layout description of the LNG unloading receptacle. The technical layout description of the LNG unloading nozzle is not part of this document. The basic functional requirement of the LNG unloading connector are as follows: -to prevent leakage of methane during operation and in particular during disconnecting; -easy handling, no spillage and purging with nitrogen during disconnecting. The loading connector between the LNG road tanker and the LNG terminal is not covered by this document. See Figure 1.

The standards writing body responsible for this document in Finland is SFS Finnish Standards.
Product group(s)
75.200 Petroleum, petroleum products and natural gas handling equipment »
43.080.10 Trucks and trailers »
Relationships
Normative references
EN 12266-1:2012 Industrial valves - Testing of metallic valves - Part 1: Pressure tests, test procedures and acceptance criteria - Mandatory requirements
EN 12516-1:2014+A1:2018 Industrial valves - Shell design strength - Part 1: Tabulation method for steel valve shells
EN 12516-2:2014+A1:2021 Industrial valves - Shell design strength - Part 2: Calculation method for steel valve shells
Technical committee
CEN/TC 326 Natural gas vehicles - Fuelling and operation »
Directive
2014/94/EU Directive 2014/94/EU of The European Parliament and of The Council of 22 October 2014 on the deployment of alternative fuels infrastructure

http://ec.europa.eu »
Date of implementation
22.03.2024
Published
26.03.2024
Edition
1
Pages
21
Language(s)
English

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