February 3, 2023
Why have a check valve?
Commercial beer keg couplers always come with a check valve. Often they have two. Why? Because without a check valve beer can go up the CO2 line into the regulator. The most common check valve looks like this: It goes on the edge of the coupler where the nut on the end of the gas line is attached. Should you have a full keg, forget to turn on your CO2 first, and not have a