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Date: 12 Nov 2006 18:05:33
From: Sheheryar
Subject: Second keg added to co2 tank -- initial pressure drop
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Hi
I have a set up where the regulator is set with a T connector which can
feed two kegs (i.e. two quick connects). Until yesterday I had only
one keg connected. Yesterday I kegged a second batch and connected it
to the second connector. The initial batch has been carbonating around
2 weeks at 12 psi and is relatively carbonated. Last night when I
poured myself a glass, it seemed flatter and a bit foamy too. I
figured that connecting the second keg reduced the total pressure
temporarily and thus it became a bit undercarbonated. Also, the temp
in the fridge (sanyo 4912) may have risen a bit due to the second
warmer keg. Are my assumptions correct? Also, given this, are there
ways to maintain the carbonation integrity of one keg while carbonating
a second keg? I am interested in how other keggers solve such
multikeg-one gas tank dillemas. Thanks.
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Date: 13 Nov 2006 03:00:37
From: Duke
Subject: Re: Second keg added to co2 tank -- initial pressure drop
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"Sheheryar" <sheheryarhasnain@hotmail.com > wrote in message
news:1163383533.104442.194320@b28g2000cwb.googlegroups.com...
> Hi
> I have a set up where the regulator is set with a T connector which can
> feed two kegs (i.e. two quick connects). Until yesterday I had only
> one keg connected. Yesterday I kegged a second batch and connected it
> to the second connector. The initial batch has been carbonating around
> 2 weeks at 12 psi and is relatively carbonated. Last night when I
> poured myself a glass, it seemed flatter and a bit foamy too. I
> figured that connecting the second keg reduced the total pressure
> temporarily and thus it became a bit undercarbonated. Also, the temp
> in the fridge (sanyo 4912) may have risen a bit due to the second
> warmer keg. Are my assumptions correct? Also, given this, are there
> ways to maintain the carbonation integrity of one keg while carbonating
> a second keg? I am interested in how other keggers solve such
> multikeg-one gas tank dillemas. Thanks.
>
Hi,
I have a similiar setup, but mine allows me to feed 5 kegs. I have never
had the problem you describe so I can't be of much help there. However, you
could use something like this which would allow you to maintain the
carbonation integrity of one keg while carbonating another.
http://morebeer.com/product.html?product_id=5581
HTH,
Duke
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Date: 13 Nov 2006 03:06:37
From: Boll Weevil Brewery
Subject: Re: Second keg added to co2 tank -- initial pressure drop
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"Duke" <sorry@no_spam.com > wrote in message
news:pdR5h.3584$5P2.1249@trnddc02...
>
> "Sheheryar" <sheheryarhasnain@hotmail.com> wrote in message
> news:1163383533.104442.194320@b28g2000cwb.googlegroups.com...
>> Hi
>> I have a set up where the regulator is set with a T connector which can
>> feed two kegs (i.e. two quick connects). Until yesterday I had only
>> one keg connected. Yesterday I kegged a second batch and connected it
>> to the second connector. The initial batch has been carbonating around
>> 2 weeks at 12 psi and is relatively carbonated. Last night when I
>> poured myself a glass, it seemed flatter and a bit foamy too. I
>> figured that connecting the second keg reduced the total pressure
>> temporarily and thus it became a bit undercarbonated. Also, the temp
>> in the fridge (sanyo 4912) may have risen a bit due to the second
>> warmer keg. Are my assumptions correct? Also, given this, are there
>> ways to maintain the carbonation integrity of one keg while carbonating
>> a second keg? I am interested in how other keggers solve such
>> multikeg-one gas tank dillemas. Thanks.
>>
>
> Hi,
>
> I have a similiar setup, but mine allows me to feed 5 kegs. I have never
> had the problem you describe so I can't be of much help there. However,
> you could use something like this which would allow you to maintain the
> carbonation integrity of one keg while carbonating another.
>
> http://morebeer.com/product.html?product_id=5581
>
> HTH,
>
> Duke
>
I have the same setup as Duke, 1 20# tank feeding 5 corneys using only
simple pipe tees. I have not noticed this problem either, nor did I have it
when using a 5# tank versus my 20# tank. Any pressure drop when hooking up
the non-carbonated keg is quickly equalised from the CO2 tank rather than
leeching CO2 from the kegs already hooked up. You don't by chance turn off
your valve or regulator for any reason do you? If the tank was off (or
empty) then I could see the CO2 coming off of the kegs...but with the tank
functioning I wouldn't think it would.
Ricky
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Date: 13 Nov 2006 02:56:14
From: Lance A Boyle
Subject: Re: Second keg added to co2 tank -- initial pressure drop
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Put check valves in your CO2 lines. You should have them any ways, just
in case of a worst case scenario.
Lance
Sheheryar wrote:
> Hi
> I have a set up where the regulator is set with a T connector which can
> feed two kegs (i.e. two quick connects). Until yesterday I had only
> one keg connected. Yesterday I kegged a second batch and connected it
> to the second connector. The initial batch has been carbonating around
> 2 weeks at 12 psi and is relatively carbonated. Last night when I
> poured myself a glass, it seemed flatter and a bit foamy too. I
> figured that connecting the second keg reduced the total pressure
> temporarily and thus it became a bit undercarbonated. Also, the temp
> in the fridge (sanyo 4912) may have risen a bit due to the second
> warmer keg. Are my assumptions correct? Also, given this, are there
> ways to maintain the carbonation integrity of one keg while carbonating
> a second keg? I am interested in how other keggers solve such
> multikeg-one gas tank dillemas. Thanks.
>
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Date: 13 Nov 2006 11:45:47
From: Dan Logcher
Subject: Re: Second keg added to co2 tank -- initial pressure drop
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Sheheryar wrote:
> Hi
> I have a set up where the regulator is set with a T connector which can
> feed two kegs (i.e. two quick connects). Until yesterday I had only
> one keg connected. Yesterday I kegged a second batch and connected it
> to the second connector. The initial batch has been carbonating around
> 2 weeks at 12 psi and is relatively carbonated. Last night when I
> poured myself a glass, it seemed flatter and a bit foamy too. I
> figured that connecting the second keg reduced the total pressure
> temporarily and thus it became a bit undercarbonated. Also, the temp
> in the fridge (sanyo 4912) may have risen a bit due to the second
> warmer keg. Are my assumptions correct? Also, given this, are there
> ways to maintain the carbonation integrity of one keg while carbonating
> a second keg? I am interested in how other keggers solve such
> multikeg-one gas tank dillemas. Thanks.
I carbonate at basement temp (64F) off a 20# tank for two kegs.
I installed check valve on/off's at the Wye splitter. This might
help with the pressure issues.
--
Dan
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Date: 15 Nov 2006 13:47:02
From: Sheheryar
Subject: Re: Second keg added to co2 tank -- initial pressure drop
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John,
You are so right about the aroma issue -- I totally missed that one. I
think I will be ordering 2 additional checkvalves for my setup.
Thanks.
Sheheryar
John 'Shaggy' Kolesar wrote:
> On 12 Nov 2006 18:05:33 -0800, <sheheryarhasnain@hotmail.com> wrote:
> > Hi
> > I have a set up where the regulator is set with a T connector which can
> > feed two kegs (i.e. two quick connects). Until yesterday I had only
> > one keg connected. Yesterday I kegged a second batch and connected it
> > to the second connector. The initial batch has been carbonating around
> > 2 weeks at 12 psi and is relatively carbonated. Last night when I
> > poured myself a glass, it seemed flatter and a bit foamy too. I
> > figured that connecting the second keg reduced the total pressure
> > temporarily and thus it became a bit undercarbonated. Also, the temp
> > in the fridge (sanyo 4912) may have risen a bit due to the second
> > warmer keg. Are my assumptions correct?
>
> Sounds like reasonable assumptions.
>
> > Also, given this, are there
> > ways to maintain the carbonation integrity of one keg while carbonating
> > a second keg? I am interested in how other keggers solve such
> > multikeg-one gas tank dillemas. Thanks.
>
> Normally you don't want to use just a plain T splitter for this. At the
> minimum you want check valves between each output end of the T and the QDs
> they go to. This is what prevents the pressure from reversing from one
> keg back up into another.
>
> Check valves also have lots of other benefits, like preventing an over
> carbonated keg from shooting foam back up the gas line into your regulator
> (which can ruin the regulator), or keeping aromas from the headspace of one
> keg from mixing into the other keg (so your hefe doesn't start smelling like
> your IPA), etc.
>
>
> John.
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Date: 15 Nov 2006 21:39:38
From: John 'Shaggy' Kolesar
Subject: Re: Second keg added to co2 tank -- initial pressure drop
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On 12 Nov 2006 18:05:33 -0800, <sheheryarhasnain@hotmail.com > wrote:
> Hi
> I have a set up where the regulator is set with a T connector which can
> feed two kegs (i.e. two quick connects). Until yesterday I had only
> one keg connected. Yesterday I kegged a second batch and connected it
> to the second connector. The initial batch has been carbonating around
> 2 weeks at 12 psi and is relatively carbonated. Last night when I
> poured myself a glass, it seemed flatter and a bit foamy too. I
> figured that connecting the second keg reduced the total pressure
> temporarily and thus it became a bit undercarbonated. Also, the temp
> in the fridge (sanyo 4912) may have risen a bit due to the second
> warmer keg. Are my assumptions correct?
Sounds like reasonable assumptions.
> Also, given this, are there
> ways to maintain the carbonation integrity of one keg while carbonating
> a second keg? I am interested in how other keggers solve such
> multikeg-one gas tank dillemas. Thanks.
Normally you don't want to use just a plain T splitter for this. At the
minimum you want check valves between each output end of the T and the QDs
they go to. This is what prevents the pressure from reversing from one
keg back up into another.
Check valves also have lots of other benefits, like preventing an over
carbonated keg from shooting foam back up the gas line into your regulator
(which can ruin the regulator), or keeping aromas from the headspace of one
keg from mixing into the other keg (so your hefe doesn't start smelling like
your IPA), etc.
John.
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