Sankey Keg Coupler/Connector (Type S) 
The Coupler comes with a separate Non Return Valve which fits the Gas inlet.
Verticle gas inlet position
All stainless steel construction
316 stainless steel beer probe
Individually assembled and pressure tested for assured performance
CO2 coupler leaks completely eliminated
1/2” connections as standard. Available with  adapter kits: 1” RJT Male/ Female, or 1” Tri-Clamp