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Thread: Water in Compressors

  1. #1
    **JR MEMBER** pitontheprowl is on a distinguished road pitontheprowl's Avatar
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    Lightbulb Water in Compressors

    I have seen a lot of problems posted here due to water issues.

    As air is compressed, it heats up....Try touching the tank inlet line, it will burn you quick.
    While the air in the compressor tank cools, it will condensate and muild up moisture in the the tank.
    Most peolpe run a moisture trap right at the tank, for a small compressor this may work, most of the time it will not.
    The air in the line will hold moisture all the time, period.

    I know on your little compressors it is not practical and most of you do not have the space do do a propper set-up.

    Your set-up should include the compressor, a flex line between the tank and hardline, a hard line mounted on the wall (metal of some type, NOT PVC) of at least 3 feet, and then a water trap.

    The metal hard line gives the air a place to condensate just before it reaches the trap, I run 2 traps and then my regulator, as well as another trap and regulator @ my ab hose.

  2. #2
    **JR MEMBER** Leighton is on a distinguished road Leighton's Avatar
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    Default Re: Water in Compressors

    Hi Pit,

    I have my water trap on the end of my hose just before the AB is this correct?

    Attachment 13146
    Birmingham UK

  3. #3
    oldest senior member redneck is on a distinguished road redneck's Avatar
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    Default Re: Water in Compressors

    nice picture leigh but I am puzzled about the paint spray that appear to come from the airbrush close to where your thumb is

  4. #4
    **JR MEMBER** Leighton is on a distinguished road Leighton's Avatar
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    Default Re: Water in Compressors

    Hi Redneck, that is not paint spray coming out of the brush it is a light reflection on a curtain that I have protecting my bedroom wall, hehehe, I can see what you meen though.
    Birmingham UK

  5. #5
    **JR MEMBER** rafezetter is on a distinguished road
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    Default Re: Water in Compressors

    I'm glad you posted this Pit as I do seem to have a recurrring problem with spurting water after my compressor has been running a while, I was/am considering one of those small filters Leighton has on his Ab as backup - I'd be interested to know how that's working for you Leighton?

  6. #6
    magazine subscriber heartless is on a distinguished road heartless's Avatar
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    Default Re: Water in Compressors

    there is another option for those working indoors & dont want to use a "hard line" setup - this is not to say it is the best way - the hardline would be best, but it does work - I use this method myself.

    from the compressor outlet fitting, run a length of hose approx 8 feet long minimum (2.5 meters for those of you using metric). at the end of that line, place a moisture trap/filter (i use the drainable type myself, but you can use whatever style you prefer). on the outlet side of that, hook up your airbrush hose.
    running the distance out from the compressor gives the air time to cool, which is where the water comes from...

    my current "in house" compressor came with an 8 ft coiled hose, i just attached my trap/filter to the end of that, and then the airbrush line...works like a charm!
    jill of all trades, mistress of none

    www.scorpiongrafix.com

  7. #7
    **JR MEMBER** Leighton is on a distinguished road Leighton's Avatar
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    Default Re: Water in Compressors

    Quote Originally Posted by rafezetter View Post
    I'm glad you posted this Pit as I do seem to have a recurrring problem with spurting water after my compressor has been running a while, I was/am considering one of those small filters Leighton has on his Ab as backup - I'd be interested to know how that's working for you Leighton?
    Yes Rafezetter, this trap works well and only cost a few dollars.
    Birmingham UK

  8. #8
    **JR MEMBER** PAULYBOY is on a distinguished road PAULYBOY's Avatar
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    Default Re: Water in Compressors

    Years ago I tried several different types of driers that mount between the hose and the airbrush. Unless you have absolutely bulletproof technique and monster arm muscles, they all interfere with your style after a while. I like the idea of an inline trap between the airbrush hose and the hoses that come with most compressors. Most compressors with tanks have a safety valve type drain on them. If yours does, do your compressor a favor and drain it after each session.

  9. #9
    **SUPPORTING MEMBER** Joyce is on a distinguished road Joyce's Avatar
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    Default Re: Water in Compressors

    Good advice Paulyboy and I found out the hard way. Drain those compressors. Another life lesson under the belt.

  10. #10
    **JR MEMBER** Leighton is on a distinguished road Leighton's Avatar
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    Default Re: Water in Compressors

    I drained my compressor the otherday while it was full of air - opps, it emptied alright, but I got a nice little pellet of ice shoot out of the hole, hehehe, now I do it with about 10% of air in there, and leave the drain valve plug out for the night.
    Birmingham UK

  11. #11
    **JR MEMBER** Cajunspride is on a distinguished road Cajunspride's Avatar
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    Default Re: Water in Compressors

    Hubby ran my lines for me (with a little input from me). I have the coiled hose that came with the compressor running to a hard line, into my building, once in the building I have a farly large (atleast I think so) water trap..hardline runs about 9 more feet and I have another water trap and then my regulaters. We are running 2 ABs on 2 regs. Does that sound like enough? We are just starting and only today got to play a little with it for the first time.

  12. #12
    **JR MEMBER** pitontheprowl is on a distinguished road pitontheprowl's Avatar
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    Default Re: Water in Compressors

    Sounds like more than plenty

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