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cooling compressed air

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Forum topic by cabs4less posted 11-16-2010 05:03 AM 1124 views 0 times favorited 2 replies Add to Favorites Watch
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cabs4less

235 posts in 2228 days


11-16-2010 05:03 AM

Topic tags/keywords: question spray gun

a friend told me he heard of someone using black iron pipe for his air lines and every port he run a 2 foot piece blow the coupling wit a ball valve at the end and supposedly the iron pipe help cool the compressed air and the extra piece runnig past the coupling trap the water that falls out of the cool air. so is this possible and does it work cause i trying to avoid investing in a refriator for my compressor and what type of pipe should i use galvinized or just plain black gas pipe

-- As Best I Can


2 replies so far

View lilredweldingrod's profile

lilredweldingrod

2495 posts in 2573 days


#1 posted 11-16-2010 05:42 AM

Will,
What this guy did will cool the air and the drop tubes will collect the water. But you will find that most of the water in the air will collect in the tank of anything of 5hp and a 60 gallon tank. But How big is the compressor, how far are you running the line to your tools and are you using this to paint and need to remove the water? In this situation we need a few details as to what your problem is.
Example:
I used to run two 25 hp Kellogg compressors. They ran into two 100 gallon tanks and then through 2” black iron pipe to the bottom of a 6” manifold that mounted just below the ceiling in a complete circle of a 20,000 square foot shop.The far end of the manifold was the highest point and every thing sloped back to the 2” pipe. The air was pulled from the top side of the manifold. I could blow of my white shirt with absolutely dry, clean air. And each day we drained about 5 gallons of water from the system.
To have “HOT” air you would have to have a rather big compressor to generate that much heat and be working right next to it.
If you are getting water in your spray rig, then you only need to put and inline filter to stop that.

If you need to solve a problem with your air system, PM me and I will be glad to help you out. Rand

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Dark_Lightning

2635 posts in 2575 days


#2 posted 11-16-2010 05:55 AM

Rand’s on the right track. Unless you are moving a whole lot of air, you don’t need a dryer. I have a small Campbell-Hausfeld oil-less compressor that I added a dryer to, and that is enough to paint a car with, and not get moisture in the paint. If you have something in the 2 to 3 HP range, just leave the drain valve in the bottom of the tank cracked open a little, and you’ll be fine.

-- Random Orbital Nailer

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