Fire extinguisher CO2

Discussion in 'Tutorials' started by Themuleous, 11 Sep 2007.

  1. Iksentrik

    Iksentrik Member

    Joined:
    16 Mar 2013
    Messages:
    25
    Location:
    Somerset
    Discusdan,There is quite a few regulators on ebay all around that £35 mark give or take. Just wondering if they'll be up to the job.
     
  2. discusdan

    discusdan Member

    Joined:
    7 Jan 2013
    Messages:
    302
    The one you liked to is the cheapest reg I've seen with a solenoid. I've seen cheaper regs on their own but buy the time you add a decent solenoid its put the price up a fair bit.

    as with all things cheap you pay your money and take your chances. I would imagine it would work ok but i suspect the quality wont be up to much and the after sale service and parts may be poor?
    on the other hand it may be a total bargain!

    I know a few people on here have this reg+solenoid and its gets pretty good reviews.

    CO2 Regulator Solenoid Aquarium Home Brew Carbon Dioxide | eBay
     
  3. Iksentrik

    Iksentrik Member

    Joined:
    16 Mar 2013
    Messages:
    25
    Location:
    Somerset
  4. linkinruss

    linkinruss Member

    Joined:
    29 Nov 2012
    Messages:
    141
    Yep, I've had that reg for a few months now.
    So far so good and hasn't caused me any problems so far.
    Just make sure you have a spanner and wrench to properly tighten the FE to the Reg.
     
  5. Iksentrik

    Iksentrik Member

    Joined:
    16 Mar 2013
    Messages:
    25
    Location:
    Somerset
    Which of the three linked do you have please?
     
  6. ian_m

    ian_m Global Moderator Staff Member

    Joined:
    25 Jan 2012
    Messages:
    5,138
    Location:
    Eastleigh
    Note that the plug shown in the Ebay auction above is NOT UK safe and should be replaced. The plastic collar on the earth pin makes such a plug extremely dangerous.

    BS 1363 Plugs and Sockets
     
    kap k and Iksentrik like this.
  7. linkinruss

    linkinruss Member

    Joined:
    29 Nov 2012
    Messages:
    141
    I had bought this Reg from co2supermarket
     
  8. linkinruss

    linkinruss Member

    Joined:
    29 Nov 2012
    Messages:
    141
    Pretty excited today!
    Getting my first FE!

    WooT WOot!

    Apologies for the spam!
     
    Iksentrik likes this.
  9. TarkMalbot

    TarkMalbot Member

    Joined:
    15 Mar 2013
    Messages:
    172
    My wife though I had bought her a box of flowers. Turned out to be a 2kg FE! She wasn't impressed but in the case of a fire I know which one I would rather have. lol :)
     
  10. ian_m

    ian_m Global Moderator Staff Member

    Joined:
    25 Jan 2012
    Messages:
    5,138
    Location:
    Eastleigh
    Hope you FE handle is like this, then no messing around with tape, cable ties holding the handle down :D
     
  11. James87

    James87 Member

    Joined:
    22 Feb 2013
    Messages:
    27

    Hey, Both this one and the other one look pretty similar. In fact I think they are the same brand as the one I have (in the picture above). I can't complain so far, especially for the price my system seems to be very consistent and leak free. Pleased with the results.

    Just make sure to re-tighten the connection between the solenoid and needle valve before you set it up as sometimes they aren't fully tightened when you receive them.
     
  12. discusdan

    discusdan Member

    Joined:
    7 Jan 2013
    Messages:
    302
    Just a quick question for people that have the regulator from co2supermarket.

    Can you adjust the output pressure on it?

    Reason I ask is because I bought a regulator that looks to be exactly the same and I was expecting to be able to adjust the output pressure by the knob on the front, how ever this is fixed in place. I can adjust the flow by the thumb screw on the bottom, but it seems the pressure is fixed?

    It seems to be working fine was just curious.

    This is what mine looks like.

    $(KGrHqV,!osFBZ8mfuOEBQbF)QIKww~~60_57.JPG
     
  13. TarkMalbot

    TarkMalbot Member

    Joined:
    15 Mar 2013
    Messages:
    172
    I have just got a Co2 Supermarket regulator and you can not adjust the output pressure. Mine is sitting at 50psi. If you have a bubble counter coming off the regulator you might want to have the gauges facing upwards so the outlet for the Co2 is pointing upwards.

    95E69C7C-99DB-402B-B11D-A870818246C8-561-000000F9823EA804.jpg
     
  14. discusdan

    discusdan Member

    Joined:
    7 Jan 2013
    Messages:
    302
    cheers for the info, mine is sitting around 50 psi too. As long as that's normal i'm fine with it.

    I had to remove my bubble counter as it sprung a leak. got to order another one.

    cheers.
     
  15. Andy Thurston

    Andy Thurston Forum Moderator Staff Member

    Joined:
    16 Apr 2013
    Messages:
    2,796
    I can buy pub co2 cylinder certified for 10 years for £100. theese have a pressure of 300 bar, are about 3 feet tall and cost around £15 to fill. people been using for welding diy and they could be used like a fire extinguisher
    On the +side last much much longer between refils and cost about the same to fill
    On the -side regulator costs more and higher pressure means MORE DANGER IN WRONG HANDS

    Mythbusters did gas cylinder myth with a full size 300 bar cylinder against breezeblock wall and it didnt go right through even when they made a special frame to launch it from.so fire extinguisher very unlikley to make it out of cabinet but leaks when first pressurized could burn hands
     
  16. TarkMalbot

    TarkMalbot Member

    Joined:
    15 Mar 2013
    Messages:
    172
    You would also need a big cabinet to hide a 3 foot tall bottle!
     
  17. ian_m

    ian_m Global Moderator Staff Member

    Joined:
    25 Jan 2012
    Messages:
    5,138
    Location:
    Eastleigh
    You can't get CO2 gas to 300bar at room temp, it turns to liquid at about 50bar, thus adding more pressure does not get you any more gas. All CO2 cylinders are 50bar odd. 2/3 liquid 1/3 gas. Bet you have read the cylinder test pressure, but even so seems awfully high.

    As for nitrogen, as used by Mythbusters it does not liquefy at room temperature no matter how much pressure you apply. 300bar is the normal non liquid gas pressure.
     
  18. Andy Thurston

    Andy Thurston Forum Moderator Staff Member

    Joined:
    16 Apr 2013
    Messages:
    2,796
    300 bar is test pressure just checked when filled full of liquid theres between 60 and 70 bar
    There must be a reason why fe only filled 2/3 full and as for mythbustere gas bottle i might try a miny fe and see. chances are that it would spin round rather than take off as reg is on side not top like boc cylinders
    Aceteylene are the most dangerous and there only filled to 15 bar
     
  19. ian_m

    ian_m Global Moderator Staff Member

    Joined:
    25 Jan 2012
    Messages:
    5,138
    Location:
    Eastleigh
    CO2 is only filled to 68% capacity to allow space for expansion if the bottle gets 'hot'. If you fill to say 90% odd then there is a chance that if say sat in hot car the pressure could rise enough to burst the over pressure release.

    At 68% fill there is no chance that during normal use and maybe abuse of the pressure rising enough to burst the over pressure disk.
     
  20. Andy Thurston

    Andy Thurston Forum Moderator Staff Member

    Joined:
    16 Apr 2013
    Messages:
    2,796

Share This Page

Facebook Page
Twitter Page
  1. This site uses cookies to help personalise content, tailor your experience and to keep you logged in if you register.
    By continuing to use this site, you are consenting to our use of cookies.
    Dismiss Notice