New X-Series Plunger Pumps

/ 29 September 2025 /

Extended Service Life, Proven Reliability, Exceptional Value

Cat Pumps proudly introduces the X-Series, a new line of plunger pumps designed specifically for seawater reverse osmosis (SWRO) and other harsh desalination applications. Built on Cat Pumps’ original wet-seal design and enhanced with proprietary packing technology, X-Series pumps deliver up to three times longer seal life than standard designs. The result: more uptime, fewer service calls, and lower total cost of ownership in the world’s most demanding applications.

Key Features

Innovative High-Pressure Packings extend seal life up to 3× longer.
Corrosion-Resistant 316 or Duplex Stainless Steel Wet-Ends provide superior durability in saltwater.
36-Frame Valve Plate Covers eliminate threaded stainless steel valve plugs.
High-Strength Connecting Rods & Plunger Rods ensure continuous-duty SWRO performance, even at low RPMs.
Exclusive Internal Crankcase Oil Porting delivers critical crosshead lubrication, reducing wear during long runs.
Precision 316 or Duplex Stainless Steel Valve Assemblies ensure saltwater resistance and reliable sealing.
36-Frame Plunger Sleeves reduce wear and extend seal performance.
Proven Wet-Seal Design keeps seals internally cooled and lubricated — ideal for scale-prone RO feedwater.
Flow Range: 10–45 GPM (38–170 LPM).
Pressure Range: Up to 2,200 PSI (152 bar).