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Old 03-28-2007, 02:06 AM   #1
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Default leaky kegs, broken regulator, or user error?

So I hooked up 2 kegs to pressure test them. both can't get over 10psi but when I lift the release valve they let co2 out. I'm new to this so I may be overlooking something but here is what happens. I hook up the keg and turn on the gas and the needle stays around 8 or 9 psi. I use a spray bottle and spray the top of the kegs and I can't see or hear any bubbles. when I turn off the gas, both the gauges stay where they are, the keg at around 8 or 9 and the tank at about 52 or so. I have to release the pressure from the release valve on the keg to make both of the gauges go back down to 0. If i leave the pressure in the keg and shut off the gas then remove the hose from the keg, the gauges still stay where they are until I hook it back up and release the pressure from the keg.
So it there something wrong with the regulator? is there something I need to do with the flathead screw/spring on the regulator or should I leave that alone? Also, there is another valve on the regulator, looks like a small ball valve, maybe? I move that around and I can hear the pressure from the tank shutting off and coming back on so I leave it in the "on" position.

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Old 03-28-2007, 02:17 AM   #2
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Quote:
Originally Posted by todd_k
and the tank at about 52 or so. .
Is this the high pressure gauge?

Got any pics?
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Old 03-28-2007, 02:18 AM   #3
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The screw on the regulator is your output pressure adjust. You have to screw it in or out to change the pressure going out of the regulator. Sounds like everything is workign AOK to me. (option 3 in your title)

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Old 03-28-2007, 02:19 AM   #4
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Unless I am completely misunderstanding your situation, it sounds like the regulator is operating fine. My own regulator does something similar, I assumed that there is built up CO2 in the regulator body and if it is not released (i.e. through the gas quick-release), the regulator will still register the pressure.

Someone correct me if I am off-base, playing with CO2 is a learning process for me.

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Old 03-28-2007, 02:25 AM   #5
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here are some pics of the regulator. if it matters this is an old tank, i'm not sure how old the regulator is.



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Old 03-28-2007, 02:30 AM   #6
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The screw on the regulator is your output pressure adjust. You have to screw it in or out to change the pressure going out of the regulator. Sounds like everything is workign AOK to me. (option 3 in your title)
So should I adjust the screw to allow more than the 8 or 9 PSI in the keg? How long should it take to get a cornie up to 30psi?
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Old 03-28-2007, 02:33 AM   #7
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Yeah, the screw is for adjustment, right to increase pressure, left to decrease it. It should be fairly quick at reaching 30 psi, but you'll need to bleed off pressure in the keg to go back down.


Are these kegs full of beer, or is this a test run?

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Old 03-28-2007, 02:34 AM   #8
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Yeah, the screw is for adjustment, right to increase pressure, left to decrease it. It should be fairly quick at reaching 30 psi, but you'll need to bleed off pressure in the keg to go back down.


Are these kegs full of beer, or is this a test run?
test run. I wanted to make sure they would both hold the pressure.
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Old 03-28-2007, 02:38 AM   #9
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Everything is fine. You probably can't get the pressure any higher because you need to back off on the nut on the adjusting screw. It will allow you to turn the screw in further increasing the output pressure.

The secondary gauge is showing how much pressure is in the secondary passage. This can be pressure held back by the ball valve, held back by the quick disconnect (when you disconnect from the keg, it closes), or held back by the keg itself.

BTW, when you said the high pressure gauge reads 52, that's in bar. It's really more like 800 PSI which is a typical tank pressure.

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Old 03-28-2007, 02:42 AM   #10
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BTW, when you said the high pressure gauge reads 52, that's in bar. It's really more like 800 PSI which is a typical tank pressure.

He's basically saying that you need to read the inside scale.

3000 psi on the high side and 60 psi on the low (adjustable) side.
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