Taprite Gold Lever Sanke 'D' System Keg Coupler - American StandardThe Taprite Gold Lever Sanke D System Coupler is a professional grade keg tapping solution for North American draught beers. This coupler features a heavy duty gold lever handle for easy engagement and a durable brass body. The Sanke 'D' system is the standard for almost all major US breweries. Includes an integrated 55 PSI pressure relief valve for safety and a high flow probe designed to ensure a consistent, foam free pour in high volume commercial