A good source for your pressure testing requirements is the pipe supplier, they will have all the information you need on the PVC pipe for hydrotesting.
Just something to consider is that there are subtle difference from one manufacture to another when it comes to pressure testing guidelines.
I have read several forums on the problem with air trapped in a hydro test. I know in fresh water typically water diffuses into water at 1200psi.
Our issue is thus, what is the lowest pressure that air will start to diffuse into water and to add another factor not fresh water but into produced...
