Catalyst pump cages are precision components machined and inspected to ensure the highest possible quality. In order to mitigate issues caused by abrasive and corrosive environments, our  pump cages are offered in a variety of configurations and the highest quality materials.

One Piece Standard Port & Open Hole Configurations. (*Both available in Stelite® lined) as well as Four Piece Insert Guided, Bottom Load.


  • C11 (Open Top)
  • C12 (Top Plunger)
  • C13 (Closed Plunger)
  • C14 (Closed Barrel)
  • C15 (Closed Box End Plunger)
  • C16 (Standing Valve)
  • C17 (Cage Top Plunger)

*Other configurations are available upon request.

Material Options:

  • 8620 Alloy Steel
  • 316 Stainless Steel
  • Naval Brass
  • Monel®