The invention relates to a fluid valve and fluid connection system, comprising a casing having a chamber with a first internal connection element and a first external connection element; comprising a first movable valve element in the chamber; and comprising an actuating element which has a fluid communication system with a second internal connection element and a second external connection element; wherein the first internal connection element cooperates with the second internal connection element and the valve element to establish or block a fluid connection between the first and second external connection elements.