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12-07-2008, 01:13 PM
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Member
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Join Date: Feb 2006
Location: , , USA.
Posts: 6
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ready for a mixer!
hey guys, I have finally convinced the business we need a mixer for our beer, with us over carbonating the beer and wasting pitchers of beer is not good. this is what I have now
8 3/4" 50ft runs all glycol cooled
all 8 have 5' of 3/16" of choker line.
walk-in is 38f and glycol is 26f to 27f and beer temp at head is 38f
am I going to need to change the choker lines distance? and what pressures would I need to run the mixed for regular beer, and for the other beer?
I am sure I will have more questions but those are off the top of my head
Matt
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12-12-2008, 02:52 AM
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Super Moderator
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Join Date: May 2008
Posts: 494
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Need to know a couple of things.
Assuming that you mean 3/8" product line, NOT 3/4" (HUGE), right?
What is the height difference in this system from the kegs to the faucets, if the trunk runs up and then down, one or more times, provide the lengths and heights of all runs.
Finally, What is your elevation?
Also, there are many types of beer, you mention "regular" beer - assuming you mean light lager like Bud, Miller, and Coors. Many light lagers can be successfully dispensed on a system that is balanced for their carbonation level, but the real truth is that EVERY beer has it's own carbonation level and will require specific balancing on the system to serve as intended. What will be pouring on the system, any rotating taps?
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12-12-2008, 02:54 PM
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Administrator
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Join Date: Mar 2005
Posts: 2,110
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Hopefully you are alluding to the use of a gas blender. This standard blender mixes CO2 and Nitrogen to 60% CO2 and 40% Nitrogen.
If you are dispensing a nitrogenated beer, you will require the dual blender capable of the above blend and a 25% CO2 / 75% nitrogen.
We will need to know what type of tower you have. If it is a manufactured glycol tower such as MM's Kool Rite design or another type. Please respond with additional details. Gotta go!
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12-12-2008, 06:26 PM
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Member
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Join Date: Feb 2006
Location: , , USA.
Posts: 6
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the tower is an 8 tap tower that is glycol cooled, each line is 50ft in a python that is glycol cooled. each line is 3/8" not 3/4" grr I get that one messed up often. From the 50ft I have 5' 3/16" choaker line. Yes I am looking at that gas blender the one with dual outputs for the different pressures. I am going to be switching bifferent beers in and out on every line and what I would do is just change which gas line I would be feeding it. Kinda a pain but oh well. beers will be everything from blue moon, bud lite, sam addams, a stout, labbatts blue ect. I know I should have a sub regulator to each beer but that is next after the blender gets in. any other questions?
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12-13-2008, 12:47 PM
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Administrator
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Join Date: Mar 2005
Posts: 2,110
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Do you know who manufactured the glycol tower? Does this tower have any stainless products tubes extending out of the bottom pedestal? Or is it a hand made style glycol tower with 3/16" vinyl line to the back of the shanks behind the faucets?
These details will be required to determine your 3/16" ID choker line required.
Which gas blender will you use - the Micro Matic type without the regulators on the unit or the McDantim unit that has the regulators? Regardless, eventually your system will perform optimally with a secondary regulator at each keg station.
For the ales and lagers, PSIG should be between 20 -25 to the keg. For a nitrogenated product such as Guinness, between 30-40 PSIG.
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12-27-2008, 07:02 PM
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Junior Member
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Join Date: Dec 2008
Posts: 3
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You could always use beer pumps 
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12-28-2008, 01:50 PM
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Administrator
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Join Date: Mar 2005
Posts: 2,110
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Why would you recommend beer pumps? Beer pumps are normally reserved for very long systems where a gas blend pressure would be too high.
Also, beer pumps' performance revolve around the CO2 pressure to the keg. We all know the issues with the use of CO2.
Another problem with pumps utilized on short systems is in high volume scenarios. Beer pumps will not deliver clear beer when the faucet is left open for long periods such as for pitchers.
Another point - it is a heck of a lot easier to install one blender versus eight beer pumps.
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12-28-2008, 11:13 PM
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Junior Member
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Join Date: Dec 2008
Posts: 3
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Haha, I know blended gas would be much simpler. I'm just pointing out options
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12-29-2008, 01:30 AM
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Administrator
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Join Date: Mar 2005
Posts: 2,110
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Beer pumps in a short system would not be an option unless you were dispensing glass to glass.
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05-09-2009, 01:14 PM
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Member
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Join Date: Feb 2006
Location: , , USA.
Posts: 6
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got the mixer now and now trying to dial everything in. one question on guinness how do I tell that I have the right psi? I started at 30psi on the reg for that line and am dialing it up one psi a day untill it looks like it comes out of a draft can. but is there something else I should be looking for?
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