4" Party Pump - Chrome w/ Lever HandleDo all brands of beers use the same keg tapping equipment? What is the difference between a party pump and keg coupler? Party Pump Features: Forged brass body for durability. Durable long lasting pump Specifications: SystemS TypeWith Pressure Relief Valve Proper Dispensing & Pumping: Tap the keg. Open faucet until all pressure is relieved. Open faucet and begin pumping until desired flow is reached. Stop pumping, only pump with faucet open. Repeat step #3 until keg is emptied.