Annex I List of hydrogen components to be type-approved

Where fitted to a hydrogen-powered vehicle, the following hydrogen components must be type-approved:

1. (a)

   components designed to use liquid hydrogen:

   1. 1..

      container;

   2. 2..

      automatic shut-off valve;

   3. 3..

      check valve or non-return valve (if used as a safety device);

   4. 4..

      flexible fuel line (if upstream of first automatic shut-off valve or other safety devices);

   5. 5..

      heat exchanger;

   6. 6..

      manual or automatic valve;

   7. 7..

      pressure regulator;

   8. 8..

      pressure relief valve;

   9. 9..

      pressure, temperature and flow sensors (if used as a safety device);

   10. 10..

       refuelling connection or receptacle;

   11. 11..

       hydrogen leakage detection sensors;

2. (b)

   components designed to use compressed (gaseous) hydrogen with a nominal working pressure of over 3,0 MPa:

   1. 1..

      container;

   2. 2..

      automatic shut-off valve;

   3. 3..

      container assembly;

   4. 4..

      fittings;

   5. 5..

      flexible fuel line;

   6. 6..

      heat exchanger;

   7. 7..

      hydrogen filter;

   8. 8..

      manual or automatic valve;

   9. 9..

      non-return valve;

   10. 10..

       pressure regulator;

   11. 11..

       pressure relief device;

   12. 12..

       pressure relief valve;

   13. 13..

       refuelling connection or receptacle;

   14. 14..

       removable storage system connector;

   15. 15..

       pressure, temperature, hydrogen and flow sensors (if used as a safety device);

   16. 16..

       hydrogen leakage detection sensors.