Portable gas delivery equipment comprising a gas bottle ( 1 ) having a height of less than 50 cm, a gas tap or tap/pressure-regulator ( 2 ) mounted on the bottle ( 1 ), mechanical protection means ( 3 ) placed around the bottle ( 1 ) and around the said gas tap or tap/pressure-regulator ( 2 ), characterized in that the said protection means ( 3 ) comprise at least one external rigid shell ( 3 ) formed from at least two sub-parts ( 3 a, 3 b, 5 ) that include catching means ( 10, 11 ) for firmly fastening the said sub-parts ( 3 a, 3 b, 5 ) together. One or more additional protective elements ( 14 a, 14 b) are provided between the half-shells ( 3 a, 3 b) and the tap or tap/pressure-regulator ( 2 ) in order to improve the protection of the tap ( 2 ). Furthermore, the external rigid shell ( 3 ) has an external profile with a neck ( 12 ) designed in such a way that it allows the equipment to be manually gripped by a user via this neck ( 12 ).