Description: the rated inlet pressure of the plant specified for normal working conditions; Name: nominal input pressure of the plant 
Description: Inlet pressure of the installation for the working conditions; Name: Rated inlet pressure of the installation
Description: The operating overpressure PS1+ is the maximum value of the operating overpressure defined from a safety point of view by the manufacturer of the system for the various components in relation to the atmospheric pressure (1 bar) at the maximum permissible temperature TS1; Name: Max. permissible overpressure PS1+ at TS1, room1