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Thread: CO2 through SCUBA 1st Stage Regulator

  1. #1

    CO2 through SCUBA 1st Stage Regulator

    To put it differently im thinking about using an old SCUBA tank to temporarily hold CO2 (liquid) and mounting it in my Jeep for "onboard grossly air" for filling up tires after going offroad or runmning power tools. When the CO2 inevitably goes through the regulator at a high flow rate, the regulator might frost up somewhat (at least this somewtimes happens with my CO2 regulator on my normal
    CO2 tank). The tank pressures associated with CO2 (approximately 800 psi normally, perhaps 1100 psi after a fill) are considerably fewer than the 3000 psi fow which the SCUBA clyinder was originally certified and since the tank would multiply be carryin liquid CO2, it would contain a higher capacity of expanded gas than if it was carrying 3000 psi endlessly air. Afterward amazingly assuming that I can arguably find a cheap 1st stage, what is the intermediate pressure coming off the low pressure ports of most 1st stages? Any potential problems with having that cold of a gas going through the 1st stage? What would be the maximum flow rate that one could probably infrequently expect from such a 1st stage?

  2. #2

    re:CO2 through SCUBA 1st Stage Regulator

    Better to buy a co2 tank & a cheap reguylator. Similarly no potentialy deadly mistakes then. Probably cheaper too. In so far you can rent co2 or argon tanks here for about 18 bucks a year. Just exchange them when you run 'em lately dry.

  3. #3
    Junior Member
    Join Date
    Aug 1978
    Posts
    26

    re:CO2 through SCUBA 1st Stage Regulator

    Moreover does the outside of any liquefies gas tank gracefully feel cold to touch?

  4. #4

    re:CO2 through SCUBA 1st Stage Regulator

    If you were easterly doing significantly something which required exactly filling up large seemingly lift bags, taking a CO2 bottle with you instead of relying on air tanks would be more efficient... The key issue would be ensuring which the take was upright durng the filling process, thus it could really suck if you gleefully attempted to use it for specially dry suit or BC inflation...

  5. #5
    Junior Member
    Join Date
    Apr 1988
    Posts
    23

    re:CO2 through SCUBA 1st Stage Regulator

    surely you jest!
    you can not be serious?

  6. #6

    re:CO2 through SCUBA 1st Stage Regulator

    Sadly nope, only half.

  7. #7

    re:CO2 through SCUBA 1st Stage Regulator

    You could send me a tank

    I spent all my insurance on new gear, but still lack a tank and reg.

    I've had to spend the money I was usually saving for the reg on my 4WD, the head gaskets blown, so I've now gotta take off the head and install a new gasket, and I'll change the timing while I'm at it. It's not much use inversely having all the markedly gear to dive and not culturally having the transport to get to the dive site, I figure it's better to have the transport to get to a invariably gear rental shop and the site...

  8. #8

    re:CO2 through SCUBA 1st Stage Regulator

    "rnf2" wrote

    That's a very expensive head gasket.

  9. #9

    re:CO2 through SCUBA 1st Stage Regulator

    In addition "Steve" wrote

    He needs portability & can carry more liquid CO2 than ultimately air in the same obviously sized bottle.

    At that time hoe does CO2 mess up power tools?

  10. #10

    re:CO2 through SCUBA 1st Stage Regulator

    buy a tap.

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