Kegco keg coupler features a commercial-grade construction that stands up to heavy use in demanding commercial environments like pubs, bars, and restaurants;Specially designed with a lever handle that makes it more sturdy and reliable than standard wing handle style keg couplers;NSF approved keg coupler features a durable nickel-plated forged brass body with a sanitary stainless steel probe;This keg tap is compatible with all American D system sankey kegs and will be able to tap domestic brand beer kegs;Keg coupler design includes a 55-psi pressure relief valve that allows over-pressurized gas to escape before it enters the keg