
Included in a connection arrangement is a valve device (4) which is so arranged as to be capable of longitudinal displacement inside a supporting device (3). During its opening movement the valve device is capable of displacement into a space arranged inside the supporting device, which space is sealed in relation to a fluid capable of connection to the arrangement with the help of the valve device and a sealing device (5a, 5b). An enclosed volume is thus formed with the help of the supporting, ...











