Abstract: A method and an arrangement for filling a second storage container with compressed hydrogen or helium from a first storage container are described, wherein the first and the second storage containers are connected via at least one line, in which at least one valve is disposed. According to the invention, a switching valve (b, b?, b?) controlled by its own medium or a foreign medium is used as a valve, wherein the set pressure of the switching valve (b, b?, b?) is fixed by the maximum permissible operating pressure of the second storage container (B, B?, B).

Abstract: A device for the pressure reduction of a pressurized medium, wherein the medium is supplied to a consumer or system, which is connected downstream, after a pressure reduction has taken place and the consumer or the system, respectively, encompasses a specified design pressure. Provision is made for two pressure regulators connected in series, as well as for corresponding valves, which serve for the pressure reduction of the pressurized medium. A mobile transport device, which encompasses such a device, is further proposed.