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Primary Regulators

Kegging is a fun way to dispense beer, so if you plan to build a small kegerator or want to dispense beer from your homemade bar, you must know about the components to do so. One of the most critical parts to get your brew from the keg to a glass is a regulator. It functions by dispersing the gas from the tank at the pressure you have specified. As the pressure in a Carbon dioxide or nitrogen tank is very high, the regulator allows you to control the amount of pressure you think is appropriate in dispensing your homebrew.

There are different types of regulators that you can use when building your kegerator or dispensing system, and one of them is the primary regulator. Primary regulators allow you to adjust the Carbon dioxide or nitrogen entering your keg, and they will have at least one gauge that features the pressure output of between 0 to 60 PSI. (more info below)
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The primary regulator is connected directly to the gas tank, and they come with a safety relief valve and shut-off valve regardless of the brand or model. These shut-off valves are necessary to stop the gas flow before it gets dangerously high, immediately! Having too much pressure within the regulator may cause the regulator to burst.

Primary regulators are for one keg; however, you can still use it to dispense two kegs using a 2-product primary regulator. This type of primary regulator includes two hose nipples so that two kegs can dispense beer using one gas source. You can also use triple gauge options to three kegs. However, if you plan to connect multiple kegs with one source, using a secondary regulator is your best option.

If you aim to build an average draft beer system, then go ahead and install a primary regulator. Happy kegging!