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Old 05-06-2011, 05:22 PM   #11
cincybrewer
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Nov 2010
Cincinnati, OH
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Quote:
Originally Posted by Dr1nkBeer View Post
okay so that is normal behavior.. good.

The IN and OUT i mean the Low pressure regulator KNOB.. it goes in to raise the psi and out to lower it.
Sounds normal. You just need to purge the keg to get it down to 12. Pull the release valve on the keg if you have one.



 
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Old 05-06-2011, 06:23 PM   #12
dallasdb
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Sep 2010
Aurora, Colorado
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Quote:
Originally Posted by Dr1nkBeer View Post
When i turn "in" my low pressure regulator the needle moves to 30 psi just fine but shouldnt it move back down on it own when i turn "out" the regulator? I'm finding that i need to release the CO2 from an unused port on my manifold in order to get it to turn down. I thought the regulator should do that automaitically?

Okay so this is my understanding:

You are force carbing at 30 psi. By turning your regulator pressure down you didn't release any pressure in your keg or lines so that pressure will stay at 30until you purge your keg using the pressure relief on the cap. Or if you don't have a pressure relief you can unhook the gas and carefully push down on the gas port releasing CO2. Don't release all of the pressure just a little, hook the gas back up and see what your regulator says until you are at your serving pressure.

Someone correct me if I'm wrong.



 
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Old 05-07-2011, 04:27 AM   #13
Dr1nkBeer
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yeah.. just about... but my concern was that after setting the psi to 30 i woke up the next day and checked it and it was at 20. i didnt touch anything. My guess is that the beer absorbed the CO2 until the Gauge reached where it was actually set.

Basically i'm having some brain fart adjusting my regulator. Seems i need to release some CO2 from the keg after setting my PSI to see where the gauge lands. I'm sure i'll get it at some point. :-)
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Old 05-07-2011, 09:47 AM   #14
milldoggy
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I see, yes that might happen. The gauge is reading the pressure in the line and corny. So after you turn down the pressure, bleed the keg and let it charge the keg. the guage will correctly then.
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Old 05-07-2011, 11:48 PM   #15
Dr1nkBeer
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Hooked up the beer line and pulled my TAP for the first time WOOOHOOO!... what a feeling! We got carbonation!...

Thanks Guys!...now i need to brew a few more!
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Old 05-08-2011, 03:12 AM   #16
heferly
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Apr 2011
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Quote:
Originally Posted by Dr1nkBeer
Hooked up the beer line and pulled my TAP for the first time WOOOHOOO!... what a feeling! We got carbonation!...

Thanks Guys!...now i need to brew a few more!
Sweet...yeah, commercial kegs are tricky, especially with wheats...cheers!
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Old 05-08-2011, 02:24 PM   #17
flatulentfox
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The check valve in your manifold is why you have to purge gas. With no check valve, the regulator should act as you expect; the low pressure (secondary) side of the regulator would go down as you turn the knob. However, since most regulators have a check valve at the out put (plus the check valves at your manifold) the gas can only travel one direction. IE the gas in your keg and lines cannot travel out through the regulator when the secondary pressure is lower than the pressure downstream of the check valve. That is why we must purge gas manually when lowering the pressure.

I find this quite obnoxious, and am considering removing the check valves in my system. I am aware of the risk of beer back flowing into the regulator, but this shouldn't happen as long as kegs are not over filled.

 
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Old 05-08-2011, 02:36 PM   #18
wildwest450
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No check valves here, and no problems. I don't fill my cornies past the weld line near the top.

-

 
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Old 05-09-2011, 02:16 PM   #19
Dr1nkBeer
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so basically... you think its the check valve at the end of the manifold? I'm guessing you seen this in my build pics?... i do have one on the regulator and one on the manifold.

I've had to mess with the regulator all day yesterday could not get it set right. I use a regulator for my airbrush and it adjusts as i need... without needing to release pressure...

Should i just by a "plug" for the valve on my manifold? Or actually i'd like to add a third port for carbonating.
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Old 05-09-2011, 02:43 PM   #20
Dr1nkBeer
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Quote:
Originally Posted by heferly View Post
Sweet...yeah, commercial kegs are tricky, especially with wheats...cheers!
I'm using corny's..


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