Abstract: The valve according to the invention in intended, in particular, for high-pressure gas containers containing up to 300 bar. It comprises a shut-off element which is hold on its valve seat under the action of a compression spring and of the gas pressure. In order that the high closing pressure can be overcome with relatively little force, a piston whose top surface has a larger diameter than the diameter of the valve seat is provided on the actuating side. This top surface is situated in a pressure space which can be connected to the interior of the gas container via a pressure-balance passage by means of an electromagnetically actuable closing element.

Abstract: A pressure regulator controllable by a proportional magnet includes a valve box with a primary, secondary and deaeration coupling and two valves coaxial with each other and movable in the valve box and controlled by the setting force. The first valve controls a cup-shaped valve seat provided in the valve box for connecting the primary side to the secondary side, and closes it in the rest and deaeration positions, but opens in the working position. The second valve is applied, in the rest and working positions, on a seat surface of the first valve, and prevents any deaeration by the valve in the direction of the deaeration coupling, but in the deaeration and separation positions, clears the passage between this valve and the deaeration coupling. The valve seat surface and the valve surface which cooperates with the cup-shaped valve seat in the valve box are situated in a common diametrical plane and the seat surface is surrounded by the valve surface.