# Regulation (EC) No 79/2009 of the European Parliament and of the Council of 14 January 2009 on type-approval of hydrogen-powered motor vehicles, and amending Directive 2007/46/EC (Text with EEA relevance), Annex I: List of hydrogen components to be type-approved

Extent: E+W+S+N.I.

Where fitted to a hydrogen-powered vehicle, the following hydrogen components must be type-approved:
(a) components designed to use liquid hydrogen:
1.. container;
2.. automatic shut-off valve;
3.. check valve or non-return valve (if used as a safety device);
4.. flexible fuel line (if upstream of first automatic shut-off valve or other safety devices);
5.. heat exchanger;
6.. manual or automatic valve;
7.. pressure regulator;
8.. pressure relief valve;
9.. pressure, temperature and flow sensors (if used as a safety device);
10.. refuelling connection or receptacle;
11.. hydrogen leakage detection sensors;
(b) components designed to use compressed (gaseous) hydrogen with a nominal working pressure of over 3,0 MPa:
1.. container;
2.. automatic shut-off valve;
3.. container assembly;
4.. fittings;
5.. flexible fuel line;
6.. heat exchanger;
7.. hydrogen filter;
8.. manual or automatic valve;
9.. non-return valve;
10.. pressure regulator;
11.. pressure relief device;
12.. pressure relief valve;
13.. refuelling connection or receptacle;
14.. removable storage system connector;
15.. pressure, temperature, hydrogen and flow sensors (if used as a safety device);
16.. hydrogen leakage detection sensors.

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Source: https://www.legislation.gov.uk/eur/2009/79/annex/I (the official version)
Page: https://openlegislation.uk/eu-regulation-2009-79/annex-I
Contains public sector information licensed under the Open Government Licence v3.0. Source: legislation.gov.uk, The National Archives.