A container for a fluid under pressure, preferably a beer keg, including a neck and a fitting mounted thereon with a suction tube for drawing the fluid into the container. A pressure relief valve is mounted in an upper end of the suction tube or in the neck of the container. The pressure relief valve includes a closing body which is mounted resiliently via a spring and movable from a closing position to an open position by the spring being compressed.

Beverage container and valve for a beverage container. Valve, comprising a base element and a snap ring or snap fingers extending there from, positioned around an opening through the base element, wherein within the snap ring or between the snap fingers a valve housing is provided, having at least one inlet opening and a spring loaded valve body, biased towards the base element and closing off the opening, wherein the valve body is operable through the opening for opening a fluid connection between the inlet opening or openings and the opening in the base element.

A system containing a beverage dispensing package to a supply line, with associated supply line information, is provided. The beverage dispensing package has a package tag, having associated package information, affixed thereto. The package includes a connector assembly, a controller, a reader associated with the connector assembly, and a locking mechanism. The connector assembly has a recess and an outlet and is configured to receive the beverage dispensing package. The reader is coupled to the controller and is configured to read the package information associated with the beverage dispensing package. The locking mechanism is coupled to the connector assembly and the controller. The controller is configured to compare the package information and the pack liquid parameter, and control the locking mechanism to prevent or allow the beverage dispensing package to be connected to the outlet as a function of the comparison of the package information.