Triplex High Pressure Positive Displacement Piston And Plunger Pumps


Cat Pumps offers an extensive line of industrial triplex high-pressure piston and plunger pumps. Our precision triplex design assures high energy-efficiency, a smooth low-pulsation flow and exceptionally long life.

Our high pressure triplex piston pumps use a dynamic seal that moves through a cylinder to deliver pressures up to 1500 psi and flows up to 60 gpm. Cat Pumps' triplex piston pumps feature our patented sleeved-piston rod and UNIFLOW design for a smooth flow, strong suction capabilities and easy wet-end service.

Our reciprocating, positive displacement, high pressure triplex plunger pumps feature static Lo-Pressure and Hi-Pressure seals supported by adapters or seal cases and deliver higher pressures up to 10,000 psi and flows up to 240 gpm. Cat Pumps' triplex plunger pumps offer many drive options and liquid-end construction in brass, nickel aluminum bronze, 316SS and Duplex SS for compatibility with many applications. Our exclusive seal design and concentric solid ceramic plungers provide extended seal life and low maintenance.

Both our triplex piston and plunger pumps feature heavy-duty crankshafts, high-strength connecting rods, dual bearings and forged brass or stainless steel manifold heads for optimum performance, exceptional life and a high return on your investment.

  • Piston Triplex Pumps
  • Plunger Triplex Pumps
  • Stainless Steel Triplex Pumps
  • Direct-Drive Triplex Pumps
  • Flushed Triplex Pumps
  • Gearbox Triplex Pumps
  • Custom Triplex Pump Systems


Cat Pumps offers cost-effective solutions for your high pressure liquid pumping applications. Our product line has responded to market needs and environmental concerns. We have developed high pressure pumps with state-of-the art designs and features, such as our flushed manifolds for high temperature liquids, low lubricity liquids and high vapor liquids like CO2. Our triplex PD pump design provides high energy-efficiency, long life, low maintenance and low life-time operating costs.

Companies from all industries and markets have incorporated Cat Pumps' custom pumping systems into their operations to save money, reduce downtime, improve production, enhance product quality or ensure a safe environment. Whatever the application, we can help you find a dependable solution.

Cat Pumps are active in all commercial and industrial, civilian, military and government markets for transfer and high pressure liquid pumping applications whether pumping fresh water, DI water, wastewater, seawater, oils, chemicals, foam, liquid CO2, sanitizers, pesticides, chamicals or food products.

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