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  1. Mech117

    How to keep a CO2 cartridge from freezing up

    Awesome, thank you all for your help.
  2. Mech117

    How to keep a CO2 cartridge from freezing up

    Capillary tube used was .03" inner diameter
  3. Mech117

    How to keep a CO2 cartridge from freezing up

    Just tried it and it seems to have work liked a champ![bow] Thank you! There was no residual solids left in the cartridge. I was already using capillary tube to help regulate the pressure downstream. My system doesn't really have an expansion "valve", it just expands into a larger volume...
  4. Mech117

    How to keep a CO2 cartridge from freezing up

    Compositepro, That is an interesting idea I had not considered. I did wonder if orientation would make a difference but hadn't considered that being a good thing. I am going to go try it now. Is this throttling the saturated liquid? What does this do other than get more mass out of the...
  5. Mech117

    How to keep a CO2 cartridge from freezing up

    The design that these cartridges are being used in do not lend themselves to being heated. Meaning the accountants won't pay for heaters. :) Now with that said this is a fire suppression application so the cartridge will be above room temp, 212F in its worst case but I don't think it will ever...
  6. Mech117

    How to keep a CO2 cartridge from freezing up

    How do I keep a 12g CO2 cartridge (like the ones used in BB guns)from freezing up (forming dry ice) when I puncture it? I need to be able to expel the gas over a time period of 10 to 20 seconds. I am sure the experts here will want more information but as this is a subject matter I don't have...
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