A device for the control of the gas current issued by a reservoir of gas under pressure, and gas supply system comprising such a device.

摘要

- device (2) for the control, in combination with a stop valve, of the gas stream delivered by a tank (1) of gas under pressure. & br / - this device comprises: & br / - a cylinder (16) divided into a first and second chamber (17, 18) by a piston (19); & br / - a core (24), integral with said piston of the side of that - ci; & br / - a passage (27) provided with a single - return (28), capable of establishing a communication between said first and second chambers (17, 18) of said cylinder (16); and & br / - of the locking means which can be controlled (30), capable of locking the said piston in position in said cylinder (16).