Pressurized gas container comprising a gas distribution valve comprising at least one gas outlet coupling for distributing gas and at least one gas opening/closing member controlling the supply of gas to the gas outlet coupling, a removable safety device being arranged around the gas distribution valve, said safety device comprising: - a main body forming a sleeve comprising: ∘ an inner housing delimited by an inner face and intended to house at least a portion of a gas distribution valve, and ∘ at least one blocking stop arranged on the inner side of the main body, - a locking part comprising at least one securing arm comprising a securing shoulder, said locking part being arranged to be movable in axial translation in the main body, between at least one unlocking position (P 0) and a locking position (P 1), wherein: a) in the locking position (P 1), the securing shoulder of said at least one securing arm cooperates with said at least one blocking stop of the main body to prevent any translation of the locking part along the inner face of the main body, and b) in the unlocking position (P 0), the securing shoulder of said at least one securing arm does not cooperate with the blocking stop of the main body so that the locking part is free to translate along the inner face of the main body, and said safety device cooperating with said gas distribution valve when the locking part is in the locking position (P 1) to prevent any distribution of gas through the gas outlet coupling of the gas distribution valve while preventing any manual manipulation of the gas opening/closing member. - a main body forming a sleeve comprising: ∘ an inner housing delimited by an inner face and intended to house at least a portion of a gas distribution valve, and ∘ at least one blocking stop arranged on the inner side of the main body, ∘ an inner housing delimited by an inner face and intended to house at least a portion of a gas distribution valve, and ∘ at least one blocking stop arranged on the inner side of the main body, - a locking part comprising at least one securing arm comprising a securing shoulder, said locking part being arranged to be movable in axial translation in the main body, between at least one unlocking position (P 0) and a locking position (P 1), wherein: a) in the locking position (P 1), the securing shoulder of said at least one securing arm cooperates with said at least one blocking stop of the main body to prevent any translation of the locking part along the inner face of the main body, and b) in the unlocking position (P 0), the securing shoulder of said at least one securing arm does not cooperate with the blocking stop of the main body so that the locking part is free to translate along the inner face of the main body, and said safety device cooperating with said gas distribution valve when the locking part is in the locking position (P 1) to prevent any distribution of gas through the gas outlet coupling of the gas distribution valve while preventing any manual manipulation of the gas opening/closing member. a) in the locking position (P 1), the securing shoulder of said at least one securing arm cooperates with said at least one blocking stop of the main body to prevent any translation of the locking part along the inner face of the main body, and b) in the unlocking position (P 0), the securing shoulder of said at least one securing arm does not cooperate with the blocking stop of the main body so that the locking part is free to translate along the inner face of the main body,