Draining air compressor tank

Nov 13, 2009

Draining a large tank
by: Anonymous

While I agree that you should drain the water from a tank every night as you turn the lights out in your shop, the article referenced speaks of completely draining the air and leaving the drain cock open. With a 60 gallon tank, that can take quite a while using the 1 inch dump valve, and draining it through the water drain cock can take a very noisy long time and is very wasteful of air. So i just open it long enough to remove the water, then close it.

For my 60 gallon tank, I have found an old (non-electric and automatic) < a target="_blank" href=http://www.kingstonvalves.com/products/unloadervalves/620-3.html> compressor tank drain valve that I hope will be a better solution. (Or maybe a different solution? .ed)It comes on for a few seconds each time the compressor starts and stops to drain the tank automatically.

Bill responds...

Thanks for this. I assumed that most of the questioners on this topic are owners of smaller compressor. You know what they say about assuming?

Your comments about the time to dump a larger tank, not to mention the energy waste, are spot on.

On a few pages on my site I refer to an electronic auto-drain for compressor receivers. These are very useful devices that regularly and automatically drain the tank of water, use minimal energy, and waste as little compressed air as possible.

I had not heard of the product you refer us to, and it is indeed very interesting. I edited your comment to remove the term "unloader valve" as it has a different meaning in compressor use.

Thank you again for your useful comment, and for visiting my website.

Bill

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Nov 13, 2009
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Submitted by: Anonymous

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While I agree that you should drain the water from a tank every night as you turn the lights out in your shop, the article referenced speaks of completely draining the air and leaving the drain cock open. With a 60 gallon tank, that can take quite a while using the 1 inch dump valve, and draining it through the water drain cock can take a very noisy long time and is very wasteful of air. So i just open it long enough to remove the water, then close it. For my 60 gallon tank, I have found an old (non-electric and automatic) < a target="_blank" href=http://www.kingstonvalves.com/products/unloadervalves/620-3.html> compressor tank drain valve </a> that I hope will be a better solution. (Or maybe a different solution? .ed)It comes on for a few seconds each time the compressor starts and stops to drain the tank automatically. <br /> <hr /> <br /> <b>Bill responds...</b> Thanks for this. I assumed that most of the questioners on this topic are owners of smaller compressor. You know what they say about assuming? Your comments about the time to dump a larger tank, not to mention the energy waste, are spot on. On a few pages on my site I refer to an electronic auto-drain for compressor receivers. These are very useful devices that regularly and automatically drain the tank of water, use minimal energy, and waste as little compressed air as possible. I had not heard of the product you refer us to, and it is indeed very interesting. I edited your comment to remove the term "unloader valve" as it has a different meaning in compressor use. Thank you again for your useful comment, and for visiting my website. Bill

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Draining air compressor tank

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