Abstract:
Liquid propane gas tanks for vehicles, and cylindrical tanks in particular, wherein end (1) of cylinder (2) is provided with a cavity (3) housing the valve group ring (4), or the valve rings in the case of the embodiment designed for the foreign market, shaped in such a manner as to fit perfectly inside the cavity; in the preferred embodiment, the cavity has walls (6) and (7) at right angles and placed in the curved end (1) of the cylinder (2) so as to be flush-mounted with the end (1) of cylinder (2).