Most homebrewers eventually get tired of bottling and decide to make the move to kegging. The equipment required to keg is a decent outlay so distributing the CO2 among multiple keg becomes merely a minor necessity. As a result, most opt for a simple splitter or a manifold. The challenge with this setup is that all the keg lines end up with the same PSI. This is fine for starting out but with CO2 playing such a big part in homebrewing, most brewers quickly reach the end of a manifold’s usefulness pretty quickly. Some of the reasons you may need a different pressure include:
1. One of the styles of beers you brewed required a different level of carbonation. Belgians as an example generally have a much higher carbonation.
2. You want to burst carbonate. If you set you pressure to 10-12 psi and hook up your uncarbonated and refrigerated keg, after 10-14 days it will be carbonated to an average level. But what if you’re impatience (like me) or need a beer for an upcoming event? This is where burst carbonation comes in. By pushing the PSI up to 30 psi for 36 hours or 50 psi for 12-18 hours you get a jumpstart on CO2 dissolving into solution (your beer). You’ll need to burp the keg at 36 or 18 hours respectively and then adjust to 10-12 psi for an additional day or two. This reduces your turnaround time from 10 days to 3-5 days. A pretty good time savings.
3. You want to use your CO2 for something other than carbonating beer. CO2 is often used to purge bottles before filling of purge the head space of a fermenter. Another use is to pressure transfer beer in a closed system to minimize oxygenation.
Needing different pressures off of the same CO2 tank requires multiple regualtors, either at the primary or as secondaries. In this video I replace my existing 3-way manifold with a 4 way secondary regulator from Taprite. After decided where to place the regulator I measured to make sure I had clearance to shut my keezer lid. I also realized I needed to create some distance at the bottom where the gas line tubing connects to the check valves. A 2x4 cut to the size of the secondary regulator worked perfectly. After measuring and drilling pilot holes, I mounted the 2 x 4 and then the secondary manifold onto the 2 x 4. Finally, the version of secondary regulator I purchased had a barb on each end. If I need to add more secondary regulatlors this will come in handy but for now its an issue. I ended up using some tubing and a PEX cap plus a clamp to close this end.
Finally I used soapy water in a spray bottle to check for leaks.
3-way CO2 Manifold
www.amazon.com...
4-way Secondary Regulator Taprite
www.amazon.com...
Oetiker clamps for gas and liquid line
www.kegoutlet....
Gas line CO2 tubing 5/16 inch ID and 9/16 inch OD
www.amazon.com...
½ pex plug
www.pexunivers...
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