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Liquid Jet Pumps

Liquid Jet Pumps / Liquid Jet Ejectors

Transvac has supplied thousands of Liquid Jet Pumps to the process, chemical, food and pharmaceutical industries for pumping and combining fluids. Jet Pumps, also known as Jet Ejectors or Jet Eductors use liquid as the motive force to accurately entrain, mix and dilute a secondary liquid, eliminating the need for mechanical dosing pumps and mixers.


If you have a requirement to entrain solids into a liquid, please visit our Powder & Solids Dosing page.

Principle of Operation

In operation a high velocity jet of pressurised liquid discharged from the motive nozzle produces a region of low pressure in the suction chamber that entrains the secondary liquid or fluidised solids. The two streams then thoroughly mix in the throat before the resulting mixture flows through the diverging cone to regain some pressure to overcome system discharge heads.

Typical Liquid Jet Pump Applications

  • Chemical Dosing & Dilution
  • Polyelectrolyte Production
  • Ion Exchange Resins
  • Lime Dosing
  • Slurry Pumping
  • Sand cleaning
  • CIP systems
  • Subsea Flushing


Single units or complete skid mounted packaged systems are available, each unit is designed to specific process conditions. Standard materials of construction include rubber-lined, PVCu, PP, PTFE, PVFD, hastelloy, titanium, stainless steel and carbon steel. Connections included flanged, screwed, plain, hosetail, bauer and quick-release etc.

Advantages of Liquid Jet Pumps

Simple and reliable

No moving parts

In-line mixing

Custom designed

Materials to suit process

No maintenance