S System - Keg Coupler - Tap w/ Ergo Lever Handle "S" system is used by many European breweries, also known as European Sankey. Distinguished by it’s longer, narrower probe than the D System. It is used by breweries such as Heineken, Becks, Amstel Light, and Pilsner Urquell. Visit our beer system listing for an expanded listing of beers that use the "S" system valve. Do all brands of beers use the same keg tapping equipment? The keg coupler connects to the keg valve, "tapping" the keg. Both the gas line from the CO2 tank / regulator and the beer hose to the beer faucet attach to the coupler. Beer Keg Tap Features: Brass nickel plated body improves durability and resistance to chemicals Stainless Steel probe for the ultimate in purity Excellent for beer, wine, and cider Short handle is ideal for smaller diameter kegs Easy to engage handle: push down to tap/pull up to untap Specifications: System"S" (European Sankey) Body MaterialTin-Nickel Alloy Plated Probe Material304 Stainless steel Handle ColorBlack Handle TypeErgonomic Lever Handle Gas Port3/8" O.D. Barb (To fit 5/16" I.D. Gas Hose) Beer Port7/8"-14 Thread (U.S. Beer Industry Standard)