[TheForge] Shop Air using Copper

[Paul N]

I believe the plumbing code requires type L. I put in copper in my shop 
a couple years ago and researched it then. (replaced PVC which shattered 
in places while I was ripping it out Yikes!)

Google around for plumbing codes and compressed air. You'll find a lot 
of information.

**pn

bistline at md.metrocast.net wrote:
> Trying to get hard air lines set up in my shop. Went to lowes to buy
> "iron" pipe and noticed its made in Korea brand name Tuna. At many levels
> that just bothers me. I turn around to see copper made in the USA. Believe
> it or not the type L 3/4 copper is $1.25 a 10ft stick cheaper than the
> "iron". I notice type m copper that is $5 cheaper yet. The type L has a
> slightly thicker wall thickness. I know that the standard for air lines is
> "iron pipe" however a little web searching has revealed copper is commonly
> used.  Any inputs on copper for air lines?
> 
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