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    Established TDF Member Steve C's Avatar
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    Secondary filtration for a portable compressor

    Has anyone fitted /used a secondary filter on a portable compressor (e.g. Bauer Poseidon) to bring the air to compatibility with O2 clean cylinders? If so, what did you use and where you get it?

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    Established TDF Member MikeF's Avatar
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    Is it a PE100? If so it’s a bit of a bugger as the HP outlet that is fitted to the filter tower lid is a combined PMV and swivel with a Bauer specific connection and needs to rotate so you can change the filter cartridge.

    I’ve fitted second filters to other compressors which is just a swagelok plumbing exercise between the existing filter and the PMV but haven’t got round to doing a PE100 yet.

  3. #3
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    Quote Originally Posted by MikeF View Post
    just a swagelok plumbing exercise between the existing filter.
    Not quite that simple Mike.

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    Established TDF Member Paulo's Avatar
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    Can you not just add a 'personal filter' in line?
    Remember anything you read on the internet was probably written by some guy sitting at home in his underpants! Including this !!

    Illegitimi non carborundum

  5. #5
    Established TDF Member Steve C's Avatar
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    Quote Originally Posted by Paulo View Post
    Can you not just add a 'personal filter' in line?
    I have seen this mentioned before (here for example with a PMV included). Would this provide sufficient additional filtration to guard O2 cleanliness? What should it be filled with?
    Last edited by Steve C; 23-05-2019 at 03:47 PM.

  6. #6
    Established TDF Member
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    Quote Originally Posted by Paulo View Post
    Can you not just add a 'personal filter' in line?
    No such term as a Personal filter, its another con in the scuba industry surprised your advocating such
    Nothing personal.

  7. #7
    Established TDF Member Steve C's Avatar
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    Quote Originally Posted by MikeF View Post
    Is it a PE100? If so it’s a bit of a bugger as the HP outlet that is fitted to the filter tower lid is a combined PMV and swivel with a Bauer specific connection and needs to rotate so you can change the filter cartridge.

    I’ve fitted second filters to other compressors which is just a swagelok plumbing exercise between the existing filter and the PMV but haven’t got round to doing a PE100 yet.
    Mike, It has the P21 filter not the P11 filter on the current PE100s. But the PMV is directly attached to the filter. I guess it would need a second PMV and filter stack?

  8. #8
    Gobbie squaddie, average diver timmyg's Avatar
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    One of these.

    https://www.godive.net/brands/beaver...al-air-filter/

    You can buy the spares kits if you feel you need to change the filter.

    I have one in my spares box just in case & use on my cylinders when theyíre on a portable filter. Iíve never failed an o2 clean.

    TPG


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  9. #9
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    Quote Originally Posted by timmyg View Post
    if you feel you need to change the filter.
    When you "feel the need" Really..... I would be interested in how that works for ya

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    I put a pair of the undersea personal filters in series with a u bend of 1/4 tube and swageloc fittings with a PMV and moisture eyeball on the outlet and a check valve on the inlet. Itís basically a pair of Coltri cartridges in top of the Bauer one. I was happy enough with it on a small compressor.


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