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preamble_4191

6.2.4.1.4. The release valves and dispersal devices of aerosol dispensers (UN 1950 aerosols) and the valves of UN 2037 small recipients containing gas (gas cartridges) shall ensure that the receptacles are so closed as to be leakproof and shall be protected against accidental opening. Valves and dispersal devices which close only by the action of the internal pressure are not to be accepted.

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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.