Vacuum Ejectors, also known as vacuum generators or Venturi pumps, are pneumatic flow-control devices that convert compressed air pressure into negative vacuum pressure without any moving mechanical parts. By forcing compressed air through a narrow internal nozzle, these units create a high-velocity jet stream that evacuates surrounding air to quickly generate suction for vacuum cups and end-of-arm tooling systems. Key hardware features typically include compact aluminum or composite bodies, integrated internal Venturi nozzles, digital pressure feedback switches, pneumatic blow-off pulse valves for quick part release, and replaceable exhaust silencer mufflers.