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Question on Co2

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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Question on Co2

Unread postAuthor: akaddis » Thu Mar 01, 2007 2:09 pm

I know that Co2 gets extremely cold when released from the tank very fast. And I also know that PVC gets EXTREMELY brittle when it gets extremely cold. Wouldn't it be safer to use a paintball compressed air tank then a paintball co2 tank? Tell me what you think..

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Unread postAuthor: dippydodo03 » Thu Mar 01, 2007 3:20 pm

are talking about like a 4500psi nitrogen tank?
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Unread postAuthor: Scope » Thu Mar 01, 2007 3:36 pm

yea or a 3000 psi

yes much safer... but also much more expensive... you just have to be extremely careful.

make sure your tank is not facing down or it will feel liquid co2 into the gun which is the main reason for the cold.

a remote will help this cause because the co2 expands in the remote more first

also co2 cannot be a liquid under 175ish psi so this also helps the cooling problem
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Unread postAuthor: dippydodo03 » Thu Mar 01, 2007 3:39 pm

if you have a metal chamber, you wouldn't have this problem.

don't worry about a remote coil, just go buy a 50 to 70$ 3000psi tank and mount it like it would be on a paintball gun.
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Unread postAuthor: Scope » Thu Mar 01, 2007 3:43 pm

a 50$ 3000 psi tank is most likely 48ci and wont hold much air at all
you need to be careful
20oz tanks hold about 75% more then those tanks do

and HPA tanks arent as easy to get filled (co2 is readily availabe)and need to be hydrotested more often


dont get me wrong HPA is alot better... its just not cheap and i dont want people thinking its the super amazing alternative... its just a financial difference
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Unread postAuthor: dippydodo03 » Fri Mar 02, 2007 5:23 pm

Scope is right. If you end up using Co2, you'll need to get a regulator. Co2 tanks can reach up to 800psi and kill any pvc without one.
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Unread postAuthor: akaddis » Fri Mar 02, 2007 6:53 pm

I have the option to borrow both a co2 and compressed air....with a remote (borrowed from a friend) even if i use a remote and no liquid comes through..doesn't the air of co2 get really cold anyway when released from the tank fast?

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Unread postAuthor: dippydodo03 » Fri Mar 02, 2007 9:10 pm

Co2 will be cold anyway you release it. Get a 12 gram Co2 adapter and then you wont have to spend $50 on a regulator.
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Unread postAuthor: akaddis » Sat Mar 03, 2007 1:08 am

i have all the parts i need...tank remote (asa) and a regulator....IS CO2 SAFE for PVC????????? (coldness.brittlness
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Unread postAuthor: dippydodo03 » Sat Mar 03, 2007 8:59 am

Get a metal chamber and you wont have this problem. I personaly wouldn't recomend using any Co2 (but 12 grams) in pvc.
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Unread postAuthor: imablackskater » Sat Mar 03, 2007 12:24 pm

let me put it simple no pvc is not safe with Co2 trust me i have a paint ball tank and I've tried it is the worst idea one because it would only work one time and then you have no hands for a third time.
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Unread postAuthor: Scope » Sat Mar 03, 2007 3:59 pm

But alot of people do it very safely... gort does it... PM him
the remote helps the co2 warm up before it goes into the gun

if you have the option use HPA its better in all aspects except for price and availability

i have seen TONS of paint ball cannons that run on co2 and are made out of PVC... you just need a GOOD regulator and dont push the limits like psi wise
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