Paintball Co2 Injection DIY Setup with Tons of Photos - Page 128
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Old 03-19-2012, 07:12 PM   #1906
galabar
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I'm going to be changing to a regulator soon. The needle valve works but seems to be pretty unreliable to me. Maybe I have a leak but I used threading tape and a wrench to secure everything very well so I don't believe that's it. The bps begins to drop after running very steady for about 6 hours or so at a time
Good idea. Besides being extraordinarily dangerous, this setup is completely dependent on ambient temperature for maintaining a steady bubble count. As the pressure in the CO2 cylinder rises and falls with the temperature in your room, so will the bubble output.

As a side note, those Watts needle valves are rated only to 400 psi, so be careful!
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Old 03-19-2012, 07:24 PM   #1907
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Originally Posted by galabar View Post
Good idea. Besides being extraordinarily dangerous, this setup is completely dependent on ambient temperature for maintaining a steady bubble count. As the pressure in the CO2 cylinder rises and falls with the temperature in your room, so will the bubble output.

As a side note, those Watts needle valves are rated only to 400 psi, so be careful!
Wow!! My tank is filled to 1100psi!

And that makes sense then, with the speed/pressure changing based on temperature. I'll be picking up a regulator very soon then
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"Give a man a fish and he will get a bowl, teach a man how to keep fish and he will get a planted tank"
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Old 03-19-2012, 08:36 PM   #1908
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Wow!! My tank is filled to 1100psi!

And that makes sense then, with the speed/pressure changing based on temperature. I'll be picking up a regulator very soon then
You can get a regulator to go with your paintball CO2 system. A good example would be Ebay #360436125542. This Veriflo IR401 regulator is nice because it is somewhat compact and has a good end-of-tank behavior. You can combine it with this:

http://palmer-pursuit.com/cart/index...roducts_id=964

and you are good to go (the adapter screws into one of the NPT inlets of the regulator). You could also get a Fabco NV-55-18 needle valve to round things out.

p.s. The best part is that you'll probably never blow your fingers off with an actual regulator.
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Old 03-19-2012, 08:42 PM   #1909
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You can get a regulator to go with your paintball CO2 system. A good example would be Ebay #360436125542. This Veriflo IR401 regulator is nice because it is somewhat compact and has a good end-of-tank behavior. You can combine it with this:

http://palmer-pursuit.com/cart/index...roducts_id=964

and you are good to go (the adapter screws into one of the NPT inlets of the regulator). You could also get a Fabco NV-55-18 needle valve to round things out.

p.s. The best part is that you'll probably never blow your fingers off with an actual regulator.
lol thanks galabar. Ya I had a bit of a scare that sobered me up to this when I first put everything together. I turned the needle valve (figuring that it took quite a turn to go full tilt) and blew the line off the tank (which was attached with a compression fitting and wrench). Now I make super-fine adjustments with the needle valve and have a decent control over it but still want something better
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Old 03-19-2012, 08:46 PM   #1910
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lol thanks galabar. Ya I had a bit of a scare that sobered me up to this when I first put everything together. I turned the needle valve (figuring that it took quite a turn to go full tilt) and blew the line off the tank (which was attached with a compression fitting and wrench). Now I make super-fine adjustments with the needle valve and have a decent control over it but still want something better
Yeah, I'm hearing more and more about this. It seems that many people are too embarrassed to share their mishaps with this setup. They feel that it is somehow their fault and they aren't doing something right. However, the fault lies in the system itself. The failure cases are extreme and the user just can't provide for all of them.

Let me say this to you -- it wasn't your fault. With a safe system, you would not have been able to push enough pressure through your tubing to have it tear from a compression nut and explode. The fault is with the system.

For anyone else that has had similar issues and hasn't spoken up, this is the thread to do it in.
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Old 03-19-2012, 09:03 PM   #1911
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Ya I somewhat wish the original post had a mention of a regulator or a recommendation. I mean, this setup works if you're VERY careful with it but I don't trust not using a regulator now

I was thinking about the parts priced out and found a regulator for $68: http://www.aquariumguys.com/2-paintb...276_a_7c239900

The needle valve, gauge, and ASA on/off I got all together ended up costing around $50 before shipping. Had I known about the $68 regulator at the time or knew they're a better route, I would have just done that in the first place. I had no experience with anything like this though so thought the needle valve was the way to go thinking it regulated it well enough. Ah well, you live and learn right?
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"Give a man a fish and he will get a bowl, teach a man how to keep fish and he will get a planted tank"
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Old 03-19-2012, 09:19 PM   #1912
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Ya I somewhat wish the original post had a mention of a regulator or a recommendation. I mean, this setup works if you're VERY careful with it but I don't trust not using a regulator now

I was thinking about the parts priced out and found a regulator for $68: http://www.aquariumguys.com/2-paintb...276_a_7c239900

The needle valve, gauge, and ASA on/off I got all together ended up costing around $50 before shipping. Had I known about the $68 regulator at the time or knew they're a better route, I would have just done that in the first place. I had no experience with anything like this though so thought the needle valve was the way to go thinking it regulated it well enough. Ah well, you live and learn right?
Yes, I can remember that first "Aha" moment when I realized that, because there was no regulator, the pressure in the CO2 tubing would climb to equilibrium with the tank. Then I started thinking about all the uncontrollable ways that the CO2 tubing could become blocked. Finally, I thought about what happens when 800 psi is applied to that situation.

Just not worth it.
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Old 03-20-2012, 12:46 AM   #1913
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You can get a regulator to go with your paintball CO2 system. A good example would be Ebay #360436125542. This Veriflo IR401 regulator is nice because it is somewhat compact and has a good end-of-tank behavior. You can combine it with this:

http://palmer-pursuit.com/cart/index...roducts_id=964

and you are good to go (the adapter screws into one of the NPT inlets of the regulator). You could also get a Fabco NV-55-18 needle valve to round things out.

p.s. The best part is that you'll probably never blow your fingers off with an actual regulator.
I like that ebay regulator. in fact I just bought both they had for $25 each :-) figure I can build both up with parts I have just laying around, then sell one and use one
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Old 03-20-2012, 12:52 AM   #1914
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I like that ebay regulator. in fact I just bought both they had for $25 each :-) figure I can build both up with parts I have just laying around, then sell one and use one
Cool. Those Veriflo IR400 regulators are nice. The input port is on the bottom, so you get a very well balanced and compact solution (if you use the Palmer Pursuit or equivalent part that I mentioned). They also have a Decaying Inlet Characteristic of 0.5 psi / 100 psi, which pretty much means that you don't have to worry about end-of-tank dump (especially if you run that regulator at 60 psi working pressure).

Congrats!
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Old 03-20-2012, 12:57 AM   #1915
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Oh, by the way, get some Brasso at Home Depot. You'll be amazed at how well those regulators clean up.
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Old 03-20-2012, 06:42 PM   #1916
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Quick question, if you are using the Veriflo IR401 regulator why would you need the palmer pursuits regulator? Doesn't the Veriflo cut your tank pressure already?
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Old 03-20-2012, 07:15 PM   #1917
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Quick question, if you are using the Veriflo IR401 regulator why would you need the palmer pursuits regulator? Doesn't the Veriflo cut your tank pressure already?
This is just an adapter that allows you to screw your regulator directly to your paintball CO2 cylinder:

http://palmer-pursuit.com/cart/index...roducts_id=964

So, you have: paintball CO2 cylinder -> Palmer adapter -> Veriflo regulator.

The alternative it to put a standard CGA320 connection on the Veriflo, then use this adapter:

http://greenleafaquariums.com/co2-cy...l-adapter.html

However, the second option requires more parts and is not as compact.

Here is what the compact solution looks like (with an adapter like the Palmer):



Here is an example with the CGA320 + different adapter:



You can see that the first solution is more compact and has less parts.
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Old 03-20-2012, 07:51 PM   #1918
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^ Ooooohhhh, hahah picture explains it so much better.


What brassco thing at home depot were you talking about?
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Old 03-20-2012, 07:51 PM   #1919
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^ Ooooohhhh, hahah picture explains it so much better.


What brassco thing at home depot were you talking about?
http://www.walmart.com/ip/BRASSO/14862623
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Old 03-21-2012, 06:21 PM   #1920
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Thanks for the pics. ^^^

I can't find any cheap Veriflo IR401 regulators on ebay but there are beer keg regulators for $30 to $40 on amazon. Will they work? I think their input pressure is 3000 psi and they output around 30 psi and they have the over pressure protection at 60 psi.
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