1990/488/EEC : 1990

Applies to simple pressure vessels manufactured in series, i.e. any simple welded vessel of non-alloy quality steel, non-alloy aluminium or non-age hardening aluminium alloys subjected to an internal gauge pressure greater than 0.5 bar which is intended to contain air or nitrogen and which is not intended to be fired. Vessels specifically designed for nuclear use, for installation in or the propulsion of ships and aircraft, and fire extinguishers are excluded from the scope of the Directive. Vessels must conform with certain safety requirements to qualify for marketing authorization, e.g. the pressurized parts must be capable of being welded; when designing a vessel the manufacturer must define its use and select maximum and minimum working temperatures and maximum working pressure.