Dispenser Head for Connection with an Extractor Device Mounted in a Beverage Container

A dispenser head for connection with an extractor device mounted in a beverage container, such as a beer keg, in which the beverage may be pressurized, the dispenser head comprising a pressure medium inlet communicating with a pressure medium passage for supply of a pressure medium, such as CO2, to the beverage container, a pressure medium valve being adapted to open and close the beverage passage, a beverage outlet for delivery of beverage from the beverage container to a tapping device, and a hollow beverage piston arranged to, in the connected state of the dispenser head and the extractor device, be axially displaceable between an open position, in which it may convey beverage from a down tube of the extractor device to the beverage outlet, and a closed position, in which a beverage extractor valve of the extractor device closes an outlet of the down tube, the dispenser head is adapted to maintain the closed position of the pressure medium valve in the disconnected state of the dispenser head and the extractor device, wherein the pressure medium valve has a valve element displaceable between an open position and a closed position, in that the valve element is biased against its closed position, and in that the valve element is adapted to, at connection of the dispenser head with the extractor device, be displaced to its open position by abutment of the valve element against the extractor device.