GAS FILLING AND DISPENSING DEVICE, AND FILLING METHOD

摘要

The invention relates to a gas filling and dispensing device that includes a body to be provided in the opening of a pressurised gas storage tank, a gas tapping circuit extending between a first upstream end to be connected to the inside of the tank and a second downstream end to be connected to a gas user, a filling duct having a first upstream end to be connected to the inside of the tank and a second downstream end to be connected to a filling member, said filling duct including at least one portion distinct from the tapping circuit, and the filling duct including a first valve, characterised in that the filling duct includes a second isolation valve arranged in series with the first valve.