Sera CO2 Mod to fit Afrox bottles

Discussion in 'D.I.Y.' started by Henkt, Apr 17, 2007.

  1. Henkt
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    Henkt Noob

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    So I felt like I was being ripped off paying R59 to replace a 300 gram Sodastream bottle to fit on my Sera CO2 regulator and decided to make the Sera regulator fit on an Afrox bottle which costs R132 for 6 kg and lasts much, much longer....

    Check the pic below - it turned out to be a relatively simple mod and the most difficult part was getting the valve off the Sodastream bottle... I discarded the empty bottle after this, because it was manufactured in 1999 and still in circulation, just nicely covered in a blue plastic jacket so you couldn't see what the actual bottle looked like !

    In the picture:
    1. CO2 bullnose fitting from Afrox - R165 (a bit of a rip if you ask me, but still worth it)
    2. 3/8" to 1/4" male-female socket - R10 from HoseFit
    3. Valve off Sodastream bottle - R59 if I count what the refill cost
    4. Sera CO2 regulator bought in kit some time ago

    I needed to use the valve from the Sodastream bottle, because the Sera regulator has a cap screw that opens the valve and that is where you regulate the pressure.

    The Afrox bottle is Suremix 100 - the stuff they put into cola and beer at the dispensing machine or bar counter - it's food grade CO2 and apart from the once-off R140 refundable deposit, it costs R132 a pop to exchange the bottle for a full one.

    PS. I don't work for Afrox... it's just the most hassle-free way of getting a full bottle of CO2 to me.
     
  2. henk hugo
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    henk hugo Noob

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    eish - passop net as daai ding laat skiet - gaan 'n moerse slag wees. EK is maar edgy as dit kom by DIY en presure goed....
     
  3. pfgrobler
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    pfgrobler Noob

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    Dont you have to pay rent on the Afrox bottle ?
     
  4. Henkt
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    Henkt Noob

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    Hi Phillip

    Everybody's asking me that, but I have never paid rent on any of the bottles I have.
    Not sure if this is because I am using Suremix vs. the industrial grades CO2, but hey, let's not scratch where it's not itching... know what I mean ? ;)

    Peace,
    ht
     
  5. Henkt
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    Henkt Noob

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    Henk H
    The guys at HoseFit reckon not in a million years. Those things have been locked very tight to ensure no leaks and the Sera regulator has an overpressure valve built in, so I am comfortable.

    Maar ek is nie 'n bang ou nie... ;D

    Groete,
    ht
     
  6. Philip
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    Philip Algae harvester

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    Hi Henk
    Your little DIY system looks good, but bear in mind,those regulators are designed for low pressure bottles like the ones that cost too much to replace. The regulator might have a safety system built in, remember the pressure of the bottle is 3-4 times that of the smaller one. The sera regulator only has operating gauge,and I know from experience that the large canisters of CO2 have a bottle pressure of upto 5bar. You might experience that you have no problems yet, but that little regulator can blow.
    regards
    philip
     
  7. Henkt
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    Hi Philip

    Thanks - luckily the Sera modified bottle is on a tank outside the house... ;)
    I have continuously checked the system for leaks or signs of overpressure, but so far so good !

    PS. I finally got my first monthly bill from Afrox - R68 per bottle per month. Still a bargain, I think !

    Njoy the long weekend !
    ht
     
  8. henk hugo
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    henk hugo Noob

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    i can get you a 6.5KG fire bottle for R300 - flat out then you own it.
     
  9. ivansa
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    ivansa Algae harvester

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    What is the cost to refill the fire bottle or the afrox one?
     
  10. Henkt
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    Henkt Noob

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    Afrox bottle is R130 odd per refill.
    Henk H - do Chubb refill the bottle and how much do they charge ?
     
  11. henk hugo
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    henk hugo Noob

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    a pack of smokes last time i was there.
     
  12. Henkt
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    Henkt Noob

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    Henk, do you know what thread those Chubb bottles have - i.e. would a regular regulator fit on that - if not, I am sure I can make up a fitting !
     
  13. henk hugo
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    henk hugo Noob

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    the bottle is running at 65bar bottle presure so i wont do DIY. The Tunzee regulator fits on the bottles fine.
     
  14. Henkt
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    I am not talking about DIY, one can get standard brass adaptors to change thread - in fact many of the regulator kits ship with those, since some bottles have a left thread vs. a right thread (linksom vs regsom). If the Tunzee fits, then we should be sweet. Thanks, ht.
     

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