- Brooklyn, New York, United States
- Jan 31st
D System - Draft Beer Keg Coupler - Tap with Red Lever Handle "D" system is the most common system available in the US, also known as American Sankey. It is used by all the major breweries - Anheuser-Busch, Miller, Molson-Coors, and Labatt as well as most craft breweries. The keg coupler connects to the keg valve, "tapping" the keg.