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Platinum Member
Join Date: Jul 2001
Location: Leave the gun. Take the cannoli.
Posts: 21,375
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Below diagram shows the correct way to pitch pipe, drains, risers, etc.
http://www.tptools.com/StaticText/airline-piping-diagram.pdf
small line may flow enough, but will have pressure fluctuations when demand changes.
One more for NOT using PVC: http://www.lascofittings.com/supportcenter/CompressedAir.asp
Last edited by dad911; 01-01-2011 at 11:00 AM..
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