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keeping moisture out of compressor lines

Started by _pocock_ , Nov 02 2012 11:03 PM

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26 replies to this topic

#1 _pocock_

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Posted 02 November 2012 - 11:03 PM

just wondering the best method of keeping water out of your your air linesi have read about a method
of running copper pipe out of the compressor and coiling 3 or 4 metres up in a bucket wiith water in it that cools the air down before hitting the water trap i was thinking of using this method and putting the water trap about 10 metres after the copper pipe so the trap will be about 14 metres away from the compressor then another trap another 10 metres away from the first one was told you can even add ice to the water for better results i was just wondering if you need to put some sort of drain plug in the copper pipe is this a good method

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#2 _Bomber Watson_

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Posted 02 November 2012 - 11:07 PM

I used to run the copper pipe method, 10 meters coiled up in a 20lt drum with water and ice.

Best working trick i've tried so far. I went away from it to expeirment a bit but nothing has worked as well yet.

Downside is you gotta keep buying ice. Water on its own doestn quiet cut it.

If your going to be doing some spraying have several bags of ice on hand.

For just general air tool use water alone would work i suppose.

Cheers.

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#3 _sjp67m_

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Posted 02 November 2012 - 11:07 PM

just wondering the best method of keeping water out of your your air linesi have read about a method
of running copper pipe out of the compressor and coiling 3 or 4 metres up in a bucket wiith water in it that cools the air down before hitting the water trap i was thinking of using this method and putting the water trap about 10 metres after the copper pipe so the trap will be about 14 metres away from the compressor then another trap another 10 metres away from the first one was told you can even add ice to the water for better results i was just wondering if you need to put some sort of drain plug in the copper pipe is this a good method

Is this for a budget fix (home use?)
If not a air dryer which I just got fitted to my compressor at my workshop is amazing but costed about 1200 with fitting but that's nothing compared to the cost of air tools

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#4 _pocock_

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Posted 02 November 2012 - 11:31 PM

thanks bomber did you put a drain in the copper pipe at all or just let it run straight through , some reckon this method works just as good as a dryer sounds a good idea for the odd [paint job

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#5 _Bomber Watson_

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Posted 02 November 2012 - 11:35 PM

Cheapest way around it for the odd paint job mate. I didnt put a drain in it, i just ran the inlet at the top and coiled down to the outlet, that way i could jsut disconnect the line to drain any moisture, none seemed to collect in the copper tube though all in the trap.

Water traps dont collect water when its a vapour, you need to condense it to a liquid first, this is why you need to cool the air, and copper pipe in water + ice is the best method i've found thus far.

Did try running it through the shed beer fridge, had the copper pipe coiled in the bottom, didnt work nearly as well, so tried boxing that area in and filling it with water, worked reasonably well but again not quiet as well.

Cheers.

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#6 _pocock_

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Posted 02 November 2012 - 11:45 PM

yeah i will set something up like it i guess it works like an old alcohol still

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#7 _Bomber Watson_

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Posted 03 November 2012 - 10:03 AM

also you can put your beer in the middle

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#8 TerrA LX

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Posted 03 November 2012 - 10:16 AM

I can't draw on the computer and can't scan my diagram and the shed is not accessible to photograph but if you put these two pictures together this is what I run;

Picture this system with the two middle sections removed; Posted Image

And this set up tacked onto the end, Posted Image

Also make sure you regularly drain the tank and end cock and don't spray in high humid conditions.

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#9 _Bomber Watson_

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Posted 03 November 2012 - 10:58 AM

Your picks are broken Terry.

I just draw something on a piece of paper than take a photo of it.

Cheers.

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#10 TerrA LX

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Posted 03 November 2012 - 11:02 AM

I can see them just fine.
Still gonna load them thru photobucket just the same as the ones I posted, maybe you got problems viewing photobucket???

Edited by TerrA LX, 03 November 2012 - 11:03 AM.

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#11 _Bomber Watson_

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Posted 03 November 2012 - 11:05 AM

I have since noticed several other threads with this issue, im guessing its me.

Cheers.

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#12 Collo

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Posted 03 November 2012 - 11:29 AM

I can't see them either, Terry

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#13 TerrA LX

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Posted 03 November 2012 - 11:30 AM

A few too many last night???

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#14 Collo

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Posted 03 November 2012 - 11:52 AM

Hahaha I only had 3 drinks last night so I'm gonna say no

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#15 TerrA LX

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Posted 03 November 2012 - 11:52 AM

ok, what about this morning haha.

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#16 _tryhard_

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Posted 03 November 2012 - 12:05 PM

bomber needs new glasses

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#17 Collo

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Posted 04 November 2012 - 07:55 AM

ok, what about this morning haha.

They're working now, must have been the scotch on my cornflakes frOckin with me :wtf:

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#18 sibhs

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Posted 21 May 2013 - 07:17 PM

Anyone tried this?

The ice idea is good if you paint all in one day, but i'll be priming in bits and pieces so it's not practical.

Thinking this unit looks OK, but expensive for a plastic container with toilet paper inside. I don't mind if it works, should do?

Any thoughts?

$(KGrHqZHJCIFCChF!h87BQj7Rlmo3Q~~60_57.JPG 331.12K 8 downloads

www.ebay.com.au/itm/221147079594?ssPageName=STRK:MEWAX:IT&_trksid=p3984.m1438.l2649

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#19 sibhs

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Posted 22 May 2013 - 08:42 AM

I'll bump this up cause I want to start priming in a couple of weeks.

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#20 TerrA LX

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Posted 22 May 2013 - 11:18 AM

Is it an air filter or a moisture trap?

Have you tried local auto paint suppliers for similar items?

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#21 sibhs

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Posted 22 May 2013 - 07:26 PM

I'm pretty sure it's moisture and contaminants. Paint shops I've been to only have the regular water traps which are not very effective. <br />This toilet roll one is to be used with the standard water trap. <br />

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#22 TerrA LX

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Posted 22 May 2013 - 07:58 PM

Hmmm, my mind turns to wet toilet paper, not something I would want in my air line.

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#23 _pocock_

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Posted 24 May 2013 - 11:07 PM

yeah i just have a couple of ice cream containers filled with water and frozen and drop them in

then when finished put them back in the freezer they cool down the copper pipe well ,,they work a treat being a big block of ice they take a fair while to melt and dont cost anything