Using EN regulations in Equipment when I begin AutoRuote you find this:

Pick start point or [Buttweld end] :
The component rating(PN16) does not match nozzle rating(NP16). Do you want to continue?[Yes/No] :

Finally in European Regulations there isn't the NP... but PN (Normalized Pressure) designation. Please follow DIN EN 1092-1 2013.
To prevent this issue and use old drawings I had to modify the following files.
FlangeMetric.dat
Metric.cfg
NozzleDefaults.dat
NozzleDropDown.tbl
Adding PN Rating in order to follow the regular designation. Do not substitute: the software stops and don't allow you to edit.
More over in nozzle BOM you will find the correct designation, ie: PN40 DN300 for example.

Ale