I've read some horror stories about PVC failing. I know a couple of shops that used PEX to plumb their compressed air with good success so far. I used 1/2" black iron pipe.

Worth Reading

Last edited by Tiny; 02/15/2012 1:29 AM.
Save a life, adopt a senior shelter pet.
The three main causes of blindness: Cataracts, Politics, Religion.
Name your dog Naked so you can walk Naked in the park.