CEN/TR 17797:2022

Gas infrastructure - Consequences of hydrogen in the gas infrastructure and identification of related standardisation need in the scope of CEN/TC 234 CEN/TR 17797:2022

Publication date:   Jul 14, 2022

General information

60.60 Standard published   Mar 23, 2022

CEN

CEN/TC 234 Gas infrastructure

Technical Report

01.120   Standardization. General rules | 75.180.01   Equipment for petroleum and natural gas industries in general

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This document is written in preparation of future standardization and provides guidance on the
impact of the injection of H2 into the gas infrastructure from the input of gas into the on­shore
transmission network up to the inlet connection of gas appliances. 
Furthermore, it identifies the expected revision need of the existing CEN/TC 243 standards as
well as the need of further new standardisation deliverables. 
It examines the effects on each part of the gas infrastructure in the scope of the CEN/TC 234
Working Groups 1 to 12 inclusive, based on available studies, reports and research. Due to
several limitations at different hydrogen concentrations, the impacts are specified. 
For some specific impact, pre­standardization research is needed. 

By convention, for this technical report, the injection of pure hydrogen, i. e. without trace
components is considered. 

The information from this report is intended to define the CEN/TC 234 work program for the
coverage of H2NG in relation to the scope of the CEN/TC 234 and its WGs. 

NOTE Progress on hydrogen will develop over time. In principle this will be reflected in the
standardisation process in CEN/TC 234.

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PUBLISHED
CEN/TR 17797:2022
60.60 Standard published
Mar 23, 2022