For the simple and cost-effective production of a valve component (1) in the form of a non-return valve or a connecting nipple, in particular for the refueling of natural gas vehicles, or for the pressure-tight connection to a fluid line or a plug-in coupling, wherein the valve component (1) has two housing parts (3, 4) which are connected pressure-tightly to each other and accommodate a valve (7) there within, it is proposed that the housing parts (3, 4) are pressed together at an annular groove (3′).