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  • BSI
    BS EN 17921:2024 Natural gas fuelling stations. LNG unloading connector
    Edition: 2024
    $411.69
    / user per year

Description of BS EN 17921:2024 2024

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.

Standard NumberBS EN 17921:2024
TitleNatural gas fuelling stations. LNG unloading connector
StatusDefinitive
Publication Date2024-03-14
Withdrawn Date2024-03-14
Identical National Standard OfEN 17921
DescriptorsNatural gas, Liquefied natural gas, Fuel resources, Filling stations, Road tankers, Rail transportation
ICS75.200 Petroleum products and natural gas handling equipment, 43.080.10 Trucks and trailers
CommitteeGSE/40
ISBN978 0 539 20232 8
PublisherBSI
Pages24

About BSI

BSI Group, also known as the British Standards Institution is the national standards body of the United Kingdom. BSI produces technical standards on a wide range of products and services and also supplies certification and standards-related services to businesses.
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