A valve serves to close off or regulate the flow of liquids and gases. Valves are capable of precisely monitoring the flow rate within a pipeline and securely isolating it from the surroundings. Additionally, safety valves exist to enable high-volume flows to rapidly adjust for unfavorable pressure situations, such as those encountered in a container. The shutting mechanism of the valve moves in a manner roughly parallel to the flow direction. Flow cessation is achieved by pressing the sealing surface of the closing component against the opening of the particular valve structure or sealing position. Common sealing components include plates, cones, balls, or needles.