Valve interconnector, suitable for use in combination with a receiver interconnector to couple a first hollow body associated to the valve interconnector to a second hollow body associated to the receiver interconnector, comprising: a neck configured to be secured to the first hollow body and a base cap comprising an exterior tube portion covering at least a portion of the external surface of the neck, wherein the valve interconnector is provided with a selector operative between the neck and the exterior tube portion of the base cap and configured for assuming at least a first position and a second position, in the first position the base cap being prevented from being axially released from the neck, in the second position the base cap being enabled to be axially released from the neck, characterized in that the selector includes: a plurality of first ribs radially protruding from the external surface of the neck; a plurality of first interruptions, each first interruption being interposed between any couple of consecutive first ribs; a plurality of second ribs radially protruding from the internal surface of the exterior tube portion of the base cap; and a plurality of second interruptions, each second interruption being interposed between any couple of consecutive second ribs, the second ribs being arranged at a lower height than the first ribs; wherein the exterior tube portion of the base cap and the neck are secured to each other with ability of relative rotation about a central axis, and wherein the selector is configured to be toggled from the first position to the second position when the exterior tube portion of the base cap is rotated about the central axis of a predetermined angle. a neck configured to be secured to the first hollow body and a base cap comprising an exterior tube portion covering at least a portion of the external surface of the neck, wherein the valve interconnector is provided with a selector operative between the neck and the exterior tube portion of the base cap and configured for assuming at least a first position and a second position, in the first position the base cap being prevented from being axially released from the neck, in the second position the base cap being enabled to be axially released from the neck, characterized in that the selector includes: a plurality of first ribs radially protruding from the external surface of the neck; a plurality of first interruptions, each first interruption being interposed between any couple of consecutive first ribs; a plurality of second ribs radially protruding from the internal surface of the exterior tube portion of the base cap; and a plurality of second interruptions, each second interruption being interposed between any couple of consecutive second ribs, the second ribs being arranged at a lower height than the first ribs; a plurality of first ribs radially protruding from the external surface of the neck; a plurality of first interruptions, each first interruption being interposed between any couple of consecutive first ribs; a plurality of second ribs radially protruding from the internal surface of the exterior tube portion of the base cap; and a plurality of second interruptions, each second interruption being interposed between any couple of consecutive second ribs, the second ribs being arranged at a lower height than the first ribs; wherein the exterior tube portion of the base cap and the neck are secured to each other with ability of relative rotation about a central axis, and wherein the selector is configured to be toggled from the first position to the second position when the exterior tube portion of the base cap is rotated about the central axis of a predetermined angle.