Thanks again to everyone for your help with this!

Thank you both for the responses. Another beginner question. How then can I tell if the PVC that I buy is "pressure rated" as I've seen referenced in other posts. I was under the impression that the PW and DWV had something to do with it.

I've seen this topic discussed quite a bit in these forums, but I need to throw this question out again to the experts. I bought some PVC pipe for a pneumatic project, and being completely new at this, I was ignorant to the different pressure ratings before I bought it. The pipe that I bought is lab...