Medical air tank as normal compressor tank?





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  1. #1
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    Default Medical air tank as normal compressor tank?

    Good morning guys,
    I got my hands on a medical oxygen tank and was wondering if it would be feasible to use it as a compressed air tank connected to a compressor for inflation of tyres? Do you know how I would go about doing this? And which connection between the tank and compressor?

    Any info will be appreciated.
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    Use the pics as an idea what you have to do..

    Tank must handle at least "8" bar pressure - "depend on compressor max pressure."
    Pressure relieve / safety valve.
    Pressure switch - Off: 120 Psi > On: 90 Psi.
    Pressure gauge.
    Pipe & pipe fittings.
    Wiring & fuse.

    Any welding on the tank must be done by a pro welder.
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  3. #3
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    Thanks a lot! So awesome, I can't wait to start now!
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    Not wanting to get in the way of a fun DIY project, but I would have thought the tank was the easiest and cheapest part of the project. Disregarding the dire consequences of it going wrong, is it going to be cost effective?

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    How many liter tank is that? Might not be worth doing. But as a little DIY project why not?

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    Not much of a safety risk. You will not get near the required pressure for it to fail with a normal compressor. Because of this, it is also a bit small to store a worthwhile amount of compressed air.
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    Why not use a scuba celinder 10L. Can take up ro 230bar.

    You can pump a few tyres with that
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    Quote Originally Posted by Riaandm View Post
    Why not use a scuba celinder 10L. Can take up ro 230bar. You can pump a few tyres with that
    ...but you need one hell of a compressor to fill it!
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    Quote Originally Posted by Riaandm View Post
    Why not use a scuba celinder 10L. Can take up ro 230bar.

    You can pump a few tyres with that
    I investgated that route. One needs a regulator to bring the presure down to pump and those regulators are very expensive. I have a diving sylinder if some one want one.

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    Why not just get one of these very capable compressors for under R1000.
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    Quote Originally Posted by Kortgat View Post
    ...but you need one hell of a compressor to fill it!
    Nope, I have 2, a small and big one. Small one is no bigger than a 50l compressor. It also pumps to 300 bar
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    In the mid 90's we used to pump our tyres with a dive cylinder. A normal 12L at an "empty" 50 bar would pump the tyres on three 4x4s with ease.

    At first we had a home made device that took the high pressure direct from the pillar valve. Later the dive shops started selling devices that ran off reduced pressure. That early device would lift a wheel in about 5 seconds.
    Last edited by RoelfleRoux; 2015/12/17 at 09:15 AM.

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    I'm also considering just a tank that you can fill. Just have to finish all my other projects first, then I can start on the assembly of that and check what pressure I can get the tank to.
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    A small volume tank will require high pressure to make it useful. High pressure tanks have laws that regulate them and they have to be "passed" regularly. Unless you have access to high pressure compressor and wish to run outside the law.

    All that said, while we were using our dive tanks, we really considered it a super cool tool.
    Last edited by RoelfleRoux; 2015/12/17 at 01:45 PM.

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    Here are the two tanks so long.
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  16. #16
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    I spoke to a diving shop guy regarding using a diving sylinder as a way to inflate tyres. He also happenned to be a 4x4 guy. My tank is about 30 years old, they get written off when they are that old, if I undestood him correctly. He was of the opinion that it is better and cheaper to get a proper compressor made for the purpose you want it for, something like and ARB compressor.

  17. #17
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    Default Re: Medical air tank as normal compressor tank?

    Google powertank.com

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