anx_III__table
| TYPE OF TEST HYDROGEN COMPONENT | Pressure test | External leakage test | Endurance test | Operational test | Corrosion resistance test | Resistance to dry-heat test | Ozone ageing test | Temperature cycle test | Pressure cycle test | Hydrogen compatibility test | Seat leakage test Pressure relief devices | | | | | | | | | | | Valves | | | | | | | | | | | Heat exchangers | | | | | | | | | | | Refuelling connections or receptacles | | | | | | | | | | | Pressure regulators | | | | | | | | | | | Sensors | | | | | | | | | | | Flexible fuel lines | | | | | | | | | | |
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Source: EUR-Lex (Cellar) · retrieved 2026-10-31 · Text as adopted (Official Journal); later amendments are not incorporated in this text.