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Posted by RoyJ on July 30, 2008, 8:46 pm
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A friend sent me a link. Time for a reminder about air tanks
http://www.doli.state.mn.us/airtank.html
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Posted by Richard J Kinch on July 31, 2008, 2:52 am
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RoyJ writes:
> http://www.doli.state.mn.us/airtank.html
"The accumulation of water in the vessel caused severe corrosion ..."
Puhleeze.
Every working compressor tank has water in the bottom all the time, drain
or no drain. The drain just keeps it from taking up a significant volume.
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Posted by Terry Coombs on July 31, 2008, 6:54 am
Please log in for more thread options Richard J Kinch wrote:
> RoyJ writes:
>
>> http://www.doli.state.mn.us/airtank.html
>
> "The accumulation of water in the vessel caused severe corrosion ..."
>
> Puhleeze.
>
> Every working compressor tank has water in the bottom all the time,
> drain or no drain. The drain just keeps it from taking up a
> significant volume.
But you're wrong , Dick . A well-maintained tank will have very little
water in the bottom . Our tanks at work (cabinet shop) all have automatic
drains , in addition to dryers between the tank and compressor .
--
Snag
wannabe machinist
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Posted by Richard J Kinch on July 31, 2008, 6:18 pm
Please log in for more thread options Terry Coombs writes:
> But you're wrong , Dick . A well-maintained tank will have very
> little
> water in the bottom
"Very little", eh?
Some liquid will always be there, and the atmosphere is at 100 percent
saturation.
So from a corrosion standpoint, draining has no effect. There is always
some standing liquid water.
> Our tanks at work (cabinet shop) all have automatic drains
Which always leave some liquid in the tank, and do absolutely nothing to
the condensing ambient atmosphere in the tank.
> in addition to dryers between the tank and compressor.
Which has nothing to do with conditions inside the tank itself.
Now, a dryer between the compressor pump and the tank, that could be
putting dry air in the tank, which is the only way around this problem.
Don't be ignorant and think that draining a tank has anything to do with
corrosion protection. You drain tanks to minimize the buildup of volume
displacement.
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Posted by Wes on July 31, 2008, 6:35 pm
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>Every working compressor tank has water in the bottom all the time, drain
>or no drain. The drain just keeps it from taking up a significant volume.
And I can predict with reasonable certanty, the bottom of my tank will fail
first.
Wes
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