Dhurjati, DEP 31.40.40.38 seems to be a Shell document. Do you know how I can get it?; I searched the Internet for a download site and could not find any.
Regards, Alberto Valdes
50 microns seems to be a rule of thumb for maximum acceptable particle size for hydro test water (at least for carbon steel). I have researched unsuccessfully (including Eng-Tips) the technical basis for this magic number. Does anyone know where the 50 microns come from? ... your feedback is...