Reply by Bill_Steele

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Posted on Air Compressor filter/regulator & LVLP setup

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730 posts in 2611 days

#1 posted 02-23-2017 05:17 AM


Thank you for taking the time to post that excellent explanation! When I get around to spraying finish, I’ll pay attention to the weather (lower humidity days are preferred) and open/close the drain on the compressor tank periodically to release any moisture. Sounds like an after-cooler is not really necessary.

The compressor I have has finned copper lines going from the pump heads to the tank. I assume this is to help dissipate heat? If the air is cooled as it is entering the tank does that help with regard to reducing moisture content? I would think not. My guess is that it’s sort of a closed system past the pump head….right? Any moisture in the compressed air is still going to be there even if it is cooled. Maybe the cooling helps reduce pressure so that the pump doesn’t have to work so hard?

I have so many questions. Just ignore me if I become irritating :)

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