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pressure of a co2 tank

Post questions and info about pneumatic (compressed gas) powered cannons here. This includes discussion about valves, pipe types, compressors, alternate gas setups, and anything else relevant.
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pressure of a co2 tank

Unread postAuthor: spud-tom » Sun Aug 26, 2007 9:11 pm

does anybody know what is the pressure inside a 12 gram. HOw about a 90 gram co2?
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Unread postAuthor: frankrede » Sun Aug 26, 2007 9:14 pm

I would say around 10,000 psi.
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are you sure?

Unread postAuthor: spud-tom » Sun Aug 26, 2007 9:22 pm

But for the 12 or 90 gram
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Unread postAuthor: iknowmy3tables » Sun Aug 26, 2007 9:24 pm

no isn't it about 700psi for both
10,000psi my @$$
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Unread postAuthor: origin unknown » Sun Aug 26, 2007 9:25 pm

Actually the pressure is more around 600-900psi. I just googled it and several sources stated this. The pressure varies because of temperature.
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Unread postAuthor: spud-tom » Sun Aug 26, 2007 9:33 pm

So in one temperature, is the pressure in the tanks exactly the same?
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Unread postAuthor: spud-tom » Sun Aug 26, 2007 10:00 pm

if i would dump the pressure into a 1/2 inch dia chamber 6 inch long, what would the pressure be in the chamber?
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Unread postAuthor: origin unknown » Sun Aug 26, 2007 10:06 pm

A 1/2" chamber that is 6" long will probably reach 500-700psi if you filled it with a 12g and you would probably not live to be able to tell us what happened.
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Unread postAuthor: iknowmy3tables » Sun Aug 26, 2007 10:10 pm

attully more like 300psi 1/2" pipe is rated pretty high so it might not burst but isn't at all safe
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Unread postAuthor: darkmilk » Sun Aug 26, 2007 10:26 pm

co2 liqufies at about 800 psi depending on the temp, so untill the chamber over flows with liquid co2 it will not rais the psi and vis versa the psi will not drop untill the liquid co2 is depleted, same with propane, thats why if youve ever shaken a can of propane or co2 it feels liquidy

http://www.spudfiles.com/spudtech_archi ... php?t=6764

according to that a 1/2 by 6 inch chamber would be about 840 psi, assuming it was possible to empty the entire cartridge into it also it would be 800 psi with small amount of liquid co2
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Unread postAuthor: frankrede » Sun Aug 26, 2007 11:06 pm

iknowmy3tables wrote:no isn't it about 700psi for both
10,000psi my @$$
Oh whoops I forgot to add soemthing to signal sarcasm to show he should have searched.
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Unread postAuthor: TaBo » Mon Aug 27, 2007 1:23 am

i have store near my house and just yesterdy i wonder if buy the tank or not, it's a soda-stream tank that has 200 and somting gram, but i don't know what the pressure is.
and in the center of the open of the tank there is like a small nail and just if you push it down the CO2 get out, i think that i need to broke soda-stream tool to get the connection that i can connect to the chamber od the gun, and ain't it so cheap =\
what do you sugest to do?

and guy's CO2 cant be liquid, CO2 when it freez becom to solid... dry-ice is CO2 that freezed
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Unread postAuthor: Pete Zaria » Mon Aug 27, 2007 1:42 am

TaBo wrote:i have store near my house and just yesterdy i wonder if buy the tank or not, it's a soda-stream tank that has 200 and somting gram, but i don't know what the pressure is.
and in the center of the open of the tank there is like a small nail and just if you push it down the CO2 get out, i think that i need to broke soda-stream tool to get the connection that i can connect to the chamber od the gun, and ain't it so cheap =\
what do you sugest to do?

and guy's CO2 cant be liquid, CO2 when it freez becom to solid... dry-ice is CO2 that freezed


I can barley read your message, dude. I don't mean to offend you, but your grammar, punctuation, and sentence structure are pretty much illegible. Is English your second language?

If you'll rephrase your question, we can try to help you.
The spell-checker will help you a lot. You can also try writing your message in a word processing program and then copy-and-pasting it to the forum.

Peace,
Pete Zaria.
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Unread postAuthor: wannabie » Mon Aug 27, 2007 1:43 am

err... yeah CO2 can be liquid what do you think is in paintball tanks? ( co2 ones that is )
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Unread postAuthor: TaBo » Mon Aug 27, 2007 6:07 am

Sorry dude, i just wake up.. (not excuse -_-)
yes, English is my second language.

what i try to say is that i don't know how to connect the CO2 soda-stream tank to steel chamber without to take the soda-stream machine connectoin.
i can't use any connection that in the fix measure because there is wired opening to the tank

and CO2 C-A-N N-O-T be liquid because CO2 molecules can't be to other CO2 molecule in way that they will be liquid, this is the model of the molecule, CO2 can be just gas or solid
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