Originally Posted by hduff
I do not remember from two years ago when I researched it. IIRC, it came from a handbook of tables; I may have read them wrong.
When I looked again on the Internet, I found burst pressures in line with what you guys have been saying.
Probably a mistake caused by miss-matching with the pipe size, easy to do since as the diameter increases the pressure ratings decrease by a lot. This will not be any concern with the pressures and pipe sizes normally used for shop air line.