Proportional valve for use in fuel cell assembly of vehicle for controlling gaseous medium, particularly supply of hydrogen to fuel cell, has nozzle body with passage opening and closing element for releasing and closing of passage opening

摘要

The proportional valve (1) has a nozzle body (2) with a passage opening (3), a closing element (4) for releasing and closing the passage opening and a sealing seat (21). A flexible sealing element is sealed at the sealing seat. The sealing seat is raised on the basis of a base level by a height.