Affordable Compressor Water Filter

4spdragtop said

I would be leery of using the copper trap with full psi. BUT painting and sandblasting (where h2o is an issue) requires lower psi?? So the copper would be "safe"??
Create a bypass valve so when running air tools needing 100 psi, you omit the homemade trap?
Am I wong in tinking dis way?

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From what I've read, copper will just split or crack but it doesn't explode shrapnel like PVC does.

I believe the max pressure for copper is way above what a normal compressor is capable of. Could always go with Type L or K (whichever is the thickest, can't remember) if you want to be safe.

Also something to consider is the max psi the filters are capable of.