Device and method for providing pressurized fluid

A device for supplying pressurized fluid, comprising a first functional assembly comprising a cylinder of pressurized fluid equipped with an orifice in which a first valve is fixed, the cylinder comprising a protective bonnet protecting the first valve and rigidly fixed to the cylinder the first valve comprising an internal fluid circuit comprising an isolation shutter, the device comprising a second valve forming a separate physical entity from the first valve, the second valve being equipped with an internal fluid circuit, the second valve comprising a mobile actuating member for actuating the isolation shutter of the first valve so as to cause the latter to open or to close, the first valve and the second valve comprising respective attachment members forming a male/female quick-connection system for removably connecting the second valve to the first valve, when the second valve is in the position in which it is connected to the first valve, the second valve being partially housed in the bonnet, wherein the first assembly comprises at least one electronic data storage and communications member that can be interrogated remotely and wirelessly using electromagnetic waves, and in that the second valve comprises at least one electronic data reading and communications member for reading, remotely, wirelessly and using electromagnetic waves, the data of the electronic member of the first assembly, the at least one electronic communications member of the first assembly being secured to the bonnet, or is arranged on or around the first valve or is fixed to the cylinder, the second valve, comprising a remote data transmission member comprising data acquisition and processing logic electronics and a data emission antenna for emitting data in the form of electromagnetic radio waves, said logic electronics being connected to or incorporated into the electronic reading and communications member of the second valve and configured to receive data coming from the electronic reading and communications member and to transmit these data remotely.