Hi we have cooling water on site. Some of it is safety classified Cat M and some just normal process water. When doing hydro tests on both the systems is there any difference or are they all at 1.5 the design pressure?
Gravitate,
Suggest you have a look in Category M - the answer is quite easy to find.
You will not learn anything by posting a question without having a look first,
Regards,
Kiwi