Ventil für kryogene Medien

摘要

The invention relates to a valve (1) that comprises a valve needle (2), a valve housing (3) and a valve face (4) for introducing a medium into a container (5). When the valve is closed, the front face (7) of the valve needle (2) and the valve housing (3) are substantial flush with an inner surface (8) of the container. (5). Low tolerance range fits are provided between the container (5) and the valve housing (3) and/or between the valve housing (3) and the valve needle (2). The present invention is especially suitable for cooling and freezing liquid, pasty or lumpy products, especially food products or pharmaceutical products.