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 , a passageway being defined through the neck to allow fluid communication between the first hollow body and the second hollow body ; a base cap secured to the neck and comprising an interior tube portion extending into an end portion of the passageway , an exterior tube portion covering at least a portion of the external surface of the neck and a head portion extending from the interior tube portion to the exterior tube portion ; a valve assembly arranged in the passageway and secured to the base cap , the valve assembly being configured to assume at least a closed position and at least an open position, the fluid communication between the first hollow body and the second hollow body being disabled when the valve assembly is in the closed position and being enabled when the valve assembly is in the open position; a sealing ring configured to provide a leak-proof connection between the valve interconnector and the receiver interconnector , the sealing ring being housed inside a sealing ring seat at least partially provided in the interior tube portion of the base cap and a code ring cap secured to the base cap and comprising a tube portion covering at least a portion of the external surface of the exterior tube portion of the base cap , characterized in that the code ring cap comprises a head portion covering at least a portion of the external surface of the head portion of the base cap , the head portion of the code ring cap comprising a sealing ring enclosing portion configured to cooperate in retaining the sealing ring within the sealing ring seat . a neck configured to be secured to the first hollow body , a passageway being defined through the neck to allow fluid communication between the first hollow body and the second hollow body ; a base cap secured to the neck and comprising an interior tube portion extending into an end portion of the passageway , an exterior tube portion covering at least a portion of the external surface of the neck and a head portion extending from the interior tube portion to the exterior tube portion ; a valve assembly arranged in the passageway and secured to the base cap , the valve assembly being configured to assume at least a closed position and at least an open position, the fluid communication between the first hollow body and the second hollow body being disabled when the valve assembly is in the closed position and being enabled when the valve assembly is in the open position; a sealing ring configured to provide a leak-proof connection between the valve interconnector and the receiver interconnector , the sealing ring being housed inside a sealing ring seat at least partially provided in the interior tube portion of the base cap and a code ring cap secured to the base cap and comprising a tube portion covering at least a portion of the external surface of the exterior tube portion of the base cap , characterized in that the code ring cap comprises a head portion covering at least a portion of the external surface of the head portion of the base cap , the head portion of the code ring cap comprising a sealing ring enclosing portion configured to cooperate in retaining the sealing ring within the sealing ring seat . <EOS>