Regulation (EC) No 79/2009 of the European Parliament and of the CouncilShow full title

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:

(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.