RE: [Chrysler300] Fw: Shop air system piping recommendations

["Bob Jasinski" <rpjasin@xxxxxxxxxxx>]

I researched this a great deal when I built my shop in 1990.  I went with
type L copper throughout with 3 drops.  All the drops have drop legs with
ball valve drain valves to collect and purge any water that may form, and
they all have regulator/dryers on them.  I rarely find any water in the drop
legs, but do observe water coming out of the bottom compressor drain when I
purge that, maybe twice a year.  I have never had any water come out while
spray painting and the air is as dry as a bone.  Even at the highest volume
use point, my bead blast cabinet, there has never been any evidence of
moisture.  
 
Copper is much easier to work with than black or galvanized iron, in my
opinion, and lighter weight.  Sweating the fittings is not a big deal, and
if you've never done it give it a try on some scrap pieces, you'll get the
hang of it quickly.  You only need a propane torch, solder and some flux, as
well as a tubing cutter.
 
Forget PVC, the danger is too great, especially over time as it could
degrade from oil and get brittle.  Copper lasts forever.  Make sure you have
a slope back to the compressor on all your lines, I used 1/8" per foot.
That way the moisture flows back to the compressor and you drain it out
periodically at the bottom of the tank.
 
Bob J
 
From: Chrysler300@xxxxxxxxxxxxxxx [mailto:Chrysler300@xxxxxxxxxxxxxxx] On
Behalf Of RLS
Sent: Wednesday, October 05, 2011 10:27 PM
To: Chrysler 300 list service
Subject: [Chrysler300] Fw: Shop air system piping recommendations - Corvette
Forum
 
  
Thought that some of you would find this thread from our Corvette Forum on
how to pipe your garage for compressor air interesting..

http://forums.corvetteforum.com/c1-and-c2-corvettes/2926036-shop-air-system-
piping-recommendations.html

Comments on PVC usage did not sound reassuring.

Several other interesting URL's listed in this thread, including this one
that you might want to check out.

http://www.garagejournal.com/

Even a blind Corvette owner will find an acorn once in awhile.

My handle on this forum is SXRXRNR if you care to check it out.

Roger Schaaf
300 B
Calyfornua

----- Original Message ----- 
From: Rschaaf 
To: Larry Jett ; David Herlinger ; Larry Hojer 
Sent: Wednesday, October 05, 2011 9:11 PM
Subject: Shop air system piping recommendations - Corvette Forum

Interesting stuff,,,,PVC sounds a bit scary.

http://forums.corvetteforum.com/c1-and-c2-corvettes/2926036-shop-air-system-
piping-recommendations.html 

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