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Chinese Compressors...connecting Up

Discussion in 'Anything Airgun Related' started by Lev Levvin, Oct 25, 2019.

  1. Lee-G

    Lee-G Well-Known Member

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    Managed to mess up the reply
    Two types of filter and the contents.
    The blue filter is very limited to say the least, with a fair sized, unfilled void in it
    I now have the urge to hit halfords for a car dry pac to fill it with dessicant balls
     
  2. sagalout

    sagalout Roll on January 2nd

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    These are like blue ones I use, the tampon fills them. That one you got is more like the one that comes with the pump.

    Are the black ones the £12.99?

    I have been playing with different fills for the black one that came with the pump, it's a bit like your blue one and I have found everything I tried with the exception of the supplied filters gets suck into the outlet when filling or the inlet when bleeding. When the supplied black one runs out of filters I shall change it out for another blue one.
     
    JimboM likes this.
  3. Lee-G

    Lee-G Well-Known Member

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    £12.99 from a uk ebay seller
    https://www.ebay.co.uk/itm/PCP-Air-...e=STRK:MEBIDX:IT&_trksid=p2057872.m2749.l2649

    There was a little bit of charcoal dust on the tissue after I took the picture. Good thing, believe it or not.
    There are little disk filters, either end of the charcoal section, so it shows they do their job well

    The big black filters are the ones to go for. The blue one is only as a precaution and a final filter stage
     
    JimboM likes this.
  4. sagalout

    sagalout Roll on January 2nd

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    Here's mine using the little blue ones at every opportunity (bizarrely circled in red) plus the supplied black one (bizarrely circled in blue) and two airmega like yours but £23 each [sobbing with grief emoji]
    filters.jpg
     
  5. JimboM

    JimboM Active Member

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    Sagalout
    Any chance of posting a link to your compressor
    Thanks
     
  6. Lee-G

    Lee-G Well-Known Member

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    So on your final filter, stage 6? Do you get any sign of oil on the tampax?
     
  7. Metradio

    Metradio Engaging Member

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    Suggested setup for the black filters with Charcoal and Desiccant:
    pair.JPG
    Mike
     
  8. sagalout

    sagalout Roll on January 2nd

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    Here it is, it was an ebay 10% day when I bought it.

    I don't get any noticeable oil stain or smell after the second. Six I put there because I wanted to make sure no charcoal dust entered the tank. The first filter gets most of the oil and damp, and I change/wash this one every time, the second (supplied short black) catches at least 95% of the remaining (I change/wash this every 3 runs) and when the 5 supplied filters run out I shall change it out for a little blue. I have seen no discolouration, damp or smell beyond the first two. In hind sight I would be happy to only have one long black one (as the actress said to the bishop) but being new to the compressor addiction I went over the top as usual, but I do get lovely clean air out, the sixth filter is as pure as the driven snow.

    Using all the advice from this thread and my journey thread I now only run it below 45C, I think that has made a huge difference to the production of oil mist. I use your idea of the fan (thank you very much), I stole Mrs Louts 16" pedestal fan and have that on full chat blowing at the motor fan intake. 1.5L of ice in the 25L input bucket, exhaust to an empty bucket, and then refill the input bucket from 2 standby 10L containers which become exhaust containers once empty. Filling a 7L cylinder 50 bar at a time takes well under ten minutes and the last two times the temp has stayed below 43C.

    That's the long black filter configuration I wanted but I couldn't get a nice whip bend for side by side so I went with the U. It works for me because my little blue ones actually do all work before the long black ones. Filter 4 the little blue on the output of the first long black shows is pure white and no smell.

    I am going to submit this post to the longest post ever competition :)
     
    JimboM, Metradio and Lee-G like this.
  9. sagalout

    sagalout Roll on January 2nd

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    In the summer time (if we get one next year) I will use more ice or go over to a running hose using the output to water the garden.
     
    Lee-G likes this.
  10. Thiel

    Thiel Donator

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    there are non available because they are not needed. even very expensive car engines have a very similar type of connection! you will never find a ball or needle bearing in those types of applications!!! they are not reliable for this.
     
  11. PW1

    PW1 Shooting the breeze.

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    With regards to the 300Bar compressors on eBay, are they all 2 stage or only if they mention 2 stage in the blurb?

    Regards
    Peter
     
  12. sagalout

    sagalout Roll on January 2nd

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    I think they are all 2 stage, if you look at the basic cylinder shape they are the same, a big pistion with a small piston bolted to the top of it and a reed valve to control the air flow.

    Do I get an A* for impressive bullshirt for that?
     
  13. Lee-G

    Lee-G Well-Known Member

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    Looking at the black filter I got, at a guess, they are better suited to first stage and mounted horizontal.
    That way the infilled chamber acts as an oil collector
     
    sagalout likes this.
  14. krugerandsmith

    krugerandsmith Engaging Member

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    I personally would liked to see White metal bearings used though.
     
    sagalout likes this.
  15. PW1

    PW1 Shooting the breeze.

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    It's just strange that the more expensive compressors all mention being a 2 stage whereas the cheaper ones don't, you would think they would put down all the plusses.

    Regards
    Peter
     
    sagalout likes this.
  16. Spray1Mark

    Spray1Mark Pro Poster

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    It all sounds very complex to me LOL!
     
  17. Lee-G

    Lee-G Well-Known Member

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    Over engineering at its very best

    My unit is on another rethink on setting the damn thing up
    Im sure spending £600 on a portable unit, that's self enclosed, seems a good idea at present

    I'm on another cunning plan.
    Blue filter screwed into the compressor line out hole. Big void should catch stuff
    Two blacks, horizontal
    Fourth filter, found on a stirrup pump, balls taken out, dried off and put in a black filter for extra moisture removal. Small tampon to replace balls to catch any charcoal

    Two lines of thought on vertical or horizontal. Vertical, heavy stuff don't like going up, horizontal, heavy stuff don't like doing distance
     
  18. sagalout

    sagalout Roll on January 2nd

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    I don't know anything about it but a single stage to 300 bar sounds like massive input power, the hand pumps are all 3 stage except the FX 4 stage.
     
  19. PW1

    PW1 Shooting the breeze.

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    With Chinese stuff I would never take anything for granted, I would never take a Chinese seller at his word either without some research.

    Regards
    Peter
     
  20. sagalout

    sagalout Roll on January 2nd

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    From what I have read/seen the filters should be vertical to prevent the filter medium sitting in a bath.

    Those stirrup pump balls work on a condensate principal I think, so I don't think they will work over the extended time period of these compressors.
     

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