Keg coupler is a key component of the draft beer system that connects beer and gas lines to the kegCouplers are not universal as they need to fit the specific keg valve they are made for. A, D, G, M, S and U systems are the major keg systems used across the world.
This coupler is designed for M system keg valves that are comparatively new entrants into the US market.

What the Keg Coupler Does

Think of the keg coupler as a “key” and the valve of a keg as the “lock”. They can’t work without each other. The keg coupler attaches to the valve and to a CO2 compressed gas line. It allows the compressed air to enter the keg and push out the beer.

As a result of all of these components working together, you get a perfectly chilled and delicious draft beer in the comfort of your home.


The M System Keg coupler’s probe is made of stainless steel that will not wear away over time and your beer will no flavor at all. keg Coupler’s Body is made from Chrome-Plated brass.