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Old 04-09-2010, 06:30 PM
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Will my regulator trap water?

Hello. I'm getting ready to run my air lines for my new compressor. I want to plumb all my lines with slopes so I do not get any water or moisture trapped in the system. My one concern is the regulator. I want to install it where the water would have to drain back through it. The opposite way the air will be flowing. Will this work or will it trap water in front of it? I made a picture to help explain what I would like to do.
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Old 04-10-2010, 07:14 AM
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Are you planing to just have a straight slope back to the compressor so that the water will drain back into the tank? I assume the line on the left of the regulator in the diagram will be regulated pressure? That really won't work well at all, you need at least a couple of "drops" installed along the slopped line with the regulator teed into a vertical line dropping from the end at least 18" up from the bottom. There are several excellent diagrams here if you will search on "air line" that should steer you in the right direction, unfortunately what you are showing there will serve more just to condense more of the vapor into liquid moisture before exhausting it from the lines because very little will wind up back in the tank.
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Old 04-10-2010, 10:39 PM
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I would recommend getting an inline desicant filter from Harbor Freight they sell for about $40.
http://www.harborfreight.com/cpi/cta...emnumber=97686

This will do the trick and remove most if not all the moisture from your lines, also run the line from the compressor down into the filter and then up so that the filter is kinda like this l_l in the center that way any excess water ends up in it and can be drained via the petcock
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Old 04-13-2010, 07:52 AM
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I mounted the regulator right at the compressor. I wouldn't think you would want the regulator anywhere in the water drain back area. I also think the diaphragm could rupture if it had to deal with a liquid.

Moon
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Old 04-15-2010, 01:39 AM
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what is your compressor size?
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Old 04-15-2010, 06:07 PM
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I decided to do something different with the plumbing so it does not drain back to the tank. My compressor is a Ingersolrand. 7.5hp. 24cfm at 175psi, 80 gallon tank.

Thank you for your replies
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Old 04-15-2010, 07:56 PM
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Airline Piping Question

you will defiantly need to make provisions for water in your system.
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