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**muse435** · 03-09-2011, 07:42 PM

Here are some pictures of my home made spunding valve with my Evil Pumpkin Pie Ale in the keg.

Parts List:

Ball Lock Gas Disconect $5.50
1/4" ffl to 1/4" mpt $6.95
1/4" fpt to 1/4" fpt $1.99
Wye Splitter $7.50
Pressure Gauge $7.95
Pressure Relief Valve $16.56

Grand Total = $46.45

I used CO2 the set the gasket, but i was wondering how long it should take for the pressure to build up from the fermentation? And roughly how long does it take for the yeast to ferment out?

Schnitzengiggle · 03-09-2011, 11:34 PM

Very Awesome, you should post a parts list and build instructions. Even though it has been done, that's because that one is yours!

This is my spunding valve! Many are like her, but this one is mine...!

Changeduser123 · 04-25-2011, 09:20 PM

Thanks for the part list, I could not find something similar and as detailed on HBT. I really want to be able to monitor the pressure while priming in a keg. I will definitely use this to finish fermenting in a keg as well to carbonate even sooner, without priming.

sasky7777 · 05-14-2011, 07:37 PM

subscribed

**krenshaw** · 06-30-2011, 12:46 PM

do you know when it is finished carbonating by a certain psi number on the gauge? or is that just to be sure you don't lose any of the pressure to oxidize the beer in the process of the couple weeks of naturally carbonating?

509inc · 06-30-2011, 01:15 PM

This is just the project I've been looking for.

**krenshaw** · 06-30-2011, 01:43 PM

is this the same idea? when looking at the individual products you listed it appears midwest supplies already sells the same type of item, just need to add the disconnect..

http://www.midwestsupplies.com/bleeder-valve-assembly.html

Changeduser123 · 06-30-2011, 03:00 PM

Quote:

Originally Posted by krenshaw

is this the same idea? when looking at the individual products you listed it appears midwest supplies already sells the same type of item, just need to add the disconnect..

http://www.midwestsupplies.com/bleeder-valve-assembly.html

The assembly from midwest does not have an adjustable valve, that can be used to set a target pressure (useful if you want to transfer beer under pressure, or if you want to ferment under pressure without creating a bomb).
If your goal is just to monitor pressure while priming in a keg, it will be enough. I saw a post where someone added the adjustable valve to the assembly from midwest as well.

Changeduser123 · 06-30-2011, 03:06 PM

Quote:

Originally Posted by krenshaw

do you know when it is finished carbonating by a certain psi number on the gauge? or is that just to be sure you don't lose any of the pressure to oxidize the beer in the process of the couple weeks of naturally carbonating?

When the pressure stops rising, it means your yeast is done eating the priming sugar. At room temperature, for an average CO2 volume, the pressure is around 25psi.
While priming, this tool is useful for the both reason you highlighted: to know when the beer is carbonated, and to make sure you do not have a slow leak somewhere.
It can also be used to ferment under pressure, and to transfer beer under pressure.

**krenshaw** · 06-30-2011, 07:13 PM

if i get one of these for my keg to let it condition in there w/o my fridge, what would i pressure it up to before disconnecting it from the CO2 and adding this for monitoring?