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**dennis111** · 08-28-2008, 08:07 PM

Quote:

Originally Posted by 72BlackOnBlack

Hey Dennis, great write up. I'm trying to figure out a system setup like your and I was wondering what type of copper tubing you're using. Type L/Type M? I can't seem to find any information on copper tubing psi ratings anywhere. Our compressor is running 175 psi and we're nervous about the burst pressure of the tubing.

Here's some background:
175 psi compressor
The line is going about 75-80 feet from the compressor
We were thinking about 1/2in copper tubing (is that diameter going to affect anything?)

Thanks in advance.

To tell you the truth, I do not know which type of copper I am using. It was originally part of the garage radiator heating system that I disbanded. Because you have a higher pressure compressor, you are correct in questioning the strength of the system. Perhaps someone more qualified in this area will speak up and offer you some advice. Otherwise, review this manual as it has about everything you could ever want to know about copper piping: Copper.org: Copper Tube, Pipe & Fittings: Technical References: Copper Tube Handbook: Download the Copper Tube Handbook

Personally, I would use as much 3/4" piping as possible for the main trunk. Not only will it create more overall storage capacity, it helps the system to better supply constant air to high usage devices. Any short runs could be done in 1/2" though.