Simple Pressure Vessels Directive; includes simple pressure vessels which is used other than aiming to burn and whichs inside pressure is more than 0,5 bar, but maximum working pressure is less than 30 bar, produced serially for putting air or nitrogen and isnt subject to direct interaction with fire.
This directive doesnt include pressure vessels which can be subject to radiactive spread and are designed for nuclear purposes, pressure vessels which are designed for activating ships and airplanes and placed inside or outside these vehicles and finally fire extinguishers.