Air Ejectors & Hybrid Vacuum Systems

NASH air ejector hybrid vacuum systems are recommended when a liquid ring vacuum pump cannot achieve desired vacuum levels due to the vapor pressure limitations of liquid ring technology. Our air ejectors operate on proven jet pump principles using atmospheric air as motive medium. Pressurized air or other non-condensable gases can also be used to make the system more efficient by using a smaller vacuum pump. Air has less energy than steam, so an air jet uses approximately 2.3 times more air than the equivalent steam jet's use of steam for the same motive pressure and compression ratio. This can be particularly relevant in scenarios where the presence of water makes the use of steam ejectors advantageous. For example, in environments with excess water, steam ejectors can utilize this resource, turning it into steam for the vacuum creation process, whereas air ejectors would rely solely on atmospheric air or other non-condensable gases for operation.

All NASH Hybrid Vacuum Systems are 100% performance tested prior to shipment and are backed by our manufacturer’s warranty.

Air ejectors have no moving parts, making them a low maintenance addition to the liquid ring vacuum system. Our extensive expertise and large portfolio of liquid ring vacuum pumps allow us to optimize Air Ejector Hybrid Systems of all sizes to deliver the reliable and low maintenance operation you expect from Nash.

NASH air ejector hybrid vacuum systems are designed to operate in demanding environments and offer durability and reliability in applications such as steel degassing, chemical, power, and oil refineries.