Valve comprising a body (2) housing a fluid circuit (3) comprising a first end (4) intended to be connected with the orifice of at least one storage (1), at least one second end (5) for drawing off intended to be connected to a receiving circuit, at least a third filling end (6) intended to be connected to a source of pressurized gas, the second (5) and third (6) ends being connected to the first end (4) via a branch (15) for drawing off the circuit (3) and a branch (16) for filling the circuit (3) respectively, the drawing off (15) and filling (16) branches being connected in parallel to the first end ( 4) of the circuit and each comprising a set of valve (s) and / or valves, characterized in that the withdrawal (15) and filling (16) branches each comprise a respective valve (7, 9) in series with a respective unidirectional valve (8, 10).
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