Re: Shop air compressor lines
 

I wouldn't use anything but copper, myself. It can't be more expensive than the "snap together" aluminum stuff, can it? You only need 1/2", or maybe 3/4" if you're running it a long ways. The going rate for 1/2" (wholesale) is less than $2 a foot right now. It won't rust or break, and it makes the job look like you know what you're doing instead of Legos...I may be biased, though, since I'm in the mechanical piping biz.

Re: Shop air compressor lines
 

Several years ago when I built my shop I bought an Ingersoll Rand compressor. They had a deal that they gave you so much aluminum tubing and compression fittings with the purchase. I ended up buying enough to do my whole shop which is about 3400 sq. ft.. That stuff has worked great and been trouble free.

Re: Shop air compressor lines
 

We have copper in all our buildings, with shut down valves at various places. No failure in the pipe, but the couplers/hoses give up every so often. Also have automatic drains on each compressor, and drains on all drops on most lines where room allows. I hate to think how much metal we have at today's prices.

Re: Shop air compressor lines
 

I used Synflex (sp?) , they used it on transport trucks for air brake lines...was user friendly


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