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C02 regulator under $40

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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C02 regulator under $40

Unread postAuthor: metalmeltr » Wed Oct 28, 2009 3:33 pm

I need to find a way to go from a paintball tank to a npt and have the pressure regulated below 250psi. I would like to stay under $40 if possible. I am not counting the cost of a C02 tank as part of the $40
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Unread postAuthor: Technician1002 » Wed Oct 28, 2009 3:48 pm

Good luck. Best bet is classified ads for used keg regulators. Many are adjustable in the 0-100 PSI range. Some go higher. New they are almost in your price range, but sadly will need plumbed to the paintball fitting at additional cost.

http://www.micromatic.com/draft-keg-beer/regulators-cid-614.html
http://www.beveragefactory.com/draftbeer/regulator/double/commercial_double_gauge_beer_co2_regulator.shtml
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Unread postAuthor: Hubb » Wed Oct 28, 2009 3:54 pm

The doohicky you would need to go from tank to NPT.

I would seriously recommend a regulator from the same site as well. It's going to be a little out of the price range (so you should check eBay...) but they are still suggested over any other.
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Unread postAuthor: D_Hall » Wed Oct 28, 2009 6:08 pm

Personal opinion: I wouldn't trust my life to any CO2 regulator that cost $40. And if you're putting that CO2 in a PVC chamber, that's exactly what you're doing.
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Unread postAuthor: turner » Wed Oct 28, 2009 8:05 pm

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Unread postAuthor: Technician1002 » Wed Oct 28, 2009 8:09 pm

D_Hall wrote:Personal opinion: I wouldn't trust my life to any CO2 regulator that cost $40.


I'm welding with one I got second hand for $15. :D Try to buy a good regulator but pay used prices for it and test it thoroughly. The brass regulators I use retail for over $100 US each. I bought a used torch for less than $100 with tanks and regulators. I then picked up another regulator for $15 that I use. The $15 regulator is better than the one that came with my torch. I use the original torch regulator with propane for brazing and soldering. I'll post pics of both later.
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Unread postAuthor: D_Hall » Wed Oct 28, 2009 9:35 pm

Technician1002 wrote:I'm welding with one I got second hand for $15. :D Try to buy a good regulator but pay used prices for it and test it thoroughly. The brass regulators I use retail for over $100 US each. I bought a used torch for less than $100 with tanks and regulators. I then picked up another regulator for $15 that I use. The $15 regulator is better than the one that came with my torch. I use the original torch regulator with propane for brazing and soldering. I'll post pics of both later.

Sure, I'd weld with a cheapo reg too. Worst thing that happens is you get a crappy weld. But using the same reg to fill a pressure vessel that you KNOW will rupture in your proximity should it allow your source gas in unrestricted? That's a whole 'nuther ball o' wax.
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Unread postAuthor: metalmeltr » Thu Oct 29, 2009 2:31 pm

No pvc would be holding pressure in this setup. Does any one know why the adapter to go from the tank to the pipe thread costs $15? As far as cheap regulators being unreliable i plan to use one regulator to bring the pressur into the 250psi range and use an air compressor regulator to adjust the pressure
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