Pressure equipment of nuclear facilities

The guide presents requirements pertaining to pressure equipment, their control and inspection. It applies to the pressure equipment of nuclear facilities, with the following exceptions: transportable pressure equipment, pressure equipment only needed in the construction of a nuclear facility or serving only maintenance duties carried out by the personnel as well as pressure equipment excluded from regulatory control and inspections in accordance with instructions or decisions given by the Finnish Radiation and Nuclear Safety Authority (STUK). The requirements of this guide also apply to reactor pressure vessel internals and the steel containment. Detailed requirements pertaining to the pressure equipment of nuclear facilities are presented in other YVL guides