ADR packing instruction P205

Heading in ADR: “P205 PACKING INSTRUCTION”

Metal hydride storage systems (UN 3468): max 150 l water capacity and 25 MPa, built and tested to ISO 16111, inspected at least every 5 years.

Covers UN 3468. Metal hydride storage systems must meet 4.1.6; only pressure receptacles of up to 150 litres water capacity and a maximum developed pressure of 25 MPa fall under this instruction. Systems meeting the Chapter 6.2 pressure receptacle requirements are authorised for hydrogen only, and steel or steel-lined composite receptacles must bear the "H" mark of 6.2.2.9.2 (j). Design, testing and relief devices follow ISO 16111:2008 or ISO 16111:2018, conformity is assessed under 6.2.2.5, filling may not exceed the rated charging pressure marked on the system, and periodic inspection under 6.2.2.6 is required at intervals of no more than five years.

Limits
ValueApplies when
150 lmaximum water capacity
25 MPamaximum developed pressure
5 yearsmaximum periodic inspection interval

Refers to: 4.1.6; Chapter 6.2; 6.2.2.9.2 (j); 6.2.2.5; 6.2.2.6; 6.2.2.4; ISO 16111:2008; ISO 16111:2018.

Carried by 1 Table A entry

UN 3468

Source: ADR 2025 (ECE/TRANS/352), Volume II, section 4.1.4.1, P205, page 102.

Paraphrase in FreightUtils' own words, not the official text. Not yet reviewed.

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