ADR special provision 225

Fire extinguishers may contain actuating cartridges (1.4C/1.4S) up to 3.2 g propellant per unit and stay Class 2; covers portable to wheeled units.

Fire extinguishers under this entry may hold installed actuating cartridges (cartridges, power device, 1.4C or 1.4S) without leaving Class 2 group A or O, provided the deflagrating propellant totals no more than 3.2 g per extinguishing unit. They must be made, tested, approved and labelled under the rules of the country of manufacture, which may also mean those of the country of use. The covered types are listed in (a) to (e). Pressure receptacles of gas for these extinguishers, or for fixed fire-fighting installations, must meet Chapter 6.2 and all rules for the relevant goods when carried on their own.

Limits
ValueApplies when
3.2 gmaximum deflagrating (propellant) explosive per extinguishing unit

Conditions

Note. Provision runs across pages 614-615.

Refers to: 2.2.2.1.3; Chapter 6.2.

Carried by 1 Table A entry

UN 1044

Source: ADR 2025 (ECE/TRANS/352), Volume I, section 3.3.1, special provision 225, page 614.

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

ADR 2027 amendments (accepted, applying from 1 January 2027) are not yet reflected on this page.