Watson McDaniel Ejectors perform a variety of functions depending upon the application and motive fluid (steam  or water) used. See performance charts on the following pages. Applications include: exhausting, agitating, aerating,  circulating, pumping and mixing.

*This model can be used with Steam or Water as the Motive Inlet

  • No moving parts
  • Can be used with water or steam pressure
  • Submersible
  • Available in cast iron or bronze

Catalog Spec Sheet (pdf)
I&M (pdf)


Using water, steam or air pressure as the motive force, ejectors operate on the principle that a high velocity flow through a nozzle will create a pressure drop in the area around the nozzle discharge. The resulting vacuum will induce flow into the secondary inlet of the ejector.