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Photo of New XD-Series Plunger Pumps

New XD-Series Plunger Pumps

Built for Demanding, Ultra-Pure Deionized Water Operation

Cat Pumps proudly introduces the XD-Series, a new line of plunger pumps engineered specifically for low-lubricity deionized (DI) water applications. Built with advanced X-Series extended-life high-pressure packings and a proprietary low-pressure seal blend, XD-Series pumps deliver longer seal life without a freshwater flush. The result: simplified system design, reduced maintenance costs, and continuous-duty performance with ultra-pure water where reliability is critical.

Key Features

  • Eliminates Freshwater Flush Requirement with proprietary low-pressure seal design.
  • Advanced X-Series High-Pressure Packings provide extended service life in low-lubricity DI water.
  • Corrosion-Resistant 316 Stainless Steel Wet-Ends provide superior durability in ultra-pure water environments.
  • 36-Frame Valve Plate Covers eliminate threaded stainless steel valve plugs.
  • High-Strength Connecting Rods & Plunger Rods ensure rugged, continuous-duty operation.
  • Exclusive Internal Crankcase Oil Porting delivers reliable crosshead lubrication during long runtimes.
  • Precision Stainless Steel Valve Assemblies ensure positive seating and long-term performance in pure water.
  • 36-Frame Plunger Sleeves form a protective barrier, reducing wear and enhancing seal performance.
  • Flow Range: 10–45 GPM (38–170 LPM).
  • Pressure Range: Up to 2,200 PSI (152 bar).


View the XD-Series Brochure or the XD-Series Sell Sheet to learn more.

Available Models