Valve-protection device for pressurized-gas bottles, having a fastening section (2, 2') which is provided with means for fastening to a neck thread of a pressurized-gas bottle and has a central bore, and having a valve-protection section (3, 3') which can be connected to the fastening section (2, 2') and has a base side (6, 6') with a central bore for leading through a bottle valve and has a protective structure (14, 14'), connected fixedly to the base side (6, 6'), with at least one access opening for operation of the bottle valve, wherein, after connection of the two sections (2, 2'; 3, 3'), the central bores (4, 7) of the fastening section (2 2') and the base side (6, 6') are in a state arranged so as to form a common central axis (8, 12), wherein the fastening section (2, 2') and the valve-protection section (3, 3') are provided with mutually corresponding connecting means (10, 18; 11, 21) which are formed in such a way that an axially fixed connection can be produced between in each case one connecting means (10, 18; 11, 21) of the one section (2, 2'; 3, 3') and one connecting means (10, 18; 11, 21) of the other section (2, 2'; 3, 3'), wherein at least the connecting means (10, 18; 11, 21) of one section (2, 2'; 3, 3') are arranged rotationally symmetrically with respect to a rotation about the central axis (8, 12) and, if the two sections (2, 2'; 3, 3') are rotated about the central axis (8, 12) with respect to one another, there exist at least two angular positions in which multiple connecting means (10, 18; 11, 21) of the one section (2, 2'; 3, 3') can be connected to connecting means (10, 18; 11, 21) of the other section (2, 2'; 3, 3'), characterized in that the fastening section (2, 2') and the valve-protection section (3, 3') are each provided with a plurality of bores (10, 11) which are arranged at equal radial distances from the central axis, wherein the bores (10, 11) of at least one section (2, 2'; 3, 3') are arranged at uniform angular intervals and correspond to the bores (10, 11) of the other section in such a way that, if rotated about the central axis (8, 12) with respect to one another, at least in two angular positions, a plurality of bores (11, 11) of the one section (2, 2'; 3, 3') and a plurality of bores (10, 11) of the other section (2, 2'; 3, 3') are aligned with one another and can be connected to one another fixedly in a form-fitting manner by fastening means. the fastening section (2, 2') and the valve-protection section (3, 3') are provided with mutually corresponding connecting means (10, 18; 11, 21) which are formed in such a way that an axially fixed connection can be produced between in each case one connecting means (10, 18; 11, 21) of the one section (2, 2'; 3, 3') and one connecting means (10, 18; 11, 21) of the other section (2, 2'; 3, 3'), wherein at least the connecting means (10, 18; 11, 21) of one section (2, 2'; 3, 3') are arranged rotationally symmetrically with respect to a rotation about the central axis (8, 12) and, if the two sections (2, 2'; 3, 3') are rotated about the central axis (8, 12) with respect to one another, there exist at least two angular positions in which multiple connecting means (10, 18; 11, 21) of the one section (2, 2'; 3, 3') can be connected to connecting means (10, 18; 11, 21) of the other section (2, 2'; 3, 3'), characterized in that the fastening section (2, 2') and the valve-protection section (3, 3') are each provided with a plurality of bores (10, 11) which are arranged at equal radial distances from the central axis, wherein the bores (10, 11) of at least one section (2, 2'; 3, 3') are arranged at uniform angular intervals and correspond to the bores (10, 11) of the other section in such a way that, if rotated about the central axis (8, 12) with respect to one another, at least in two angular positions, a plurality of bores (11, 11) of the one section (2, 2'; 3, 3') and a plurality of bores (10, 11) of the other section (2, 2'; 3, 3') are aligned with one another and can be connected to one another fixedly in a form-fitting manner by fastening means.