CAT PUMPS-High Pressure Pumps and Systems

Gold Partner


1681 94th Lane NE Minneapolis MN
United States - 55449

Our Company

   Cat Pumps has proven to be the most dependable high-pressure triplex piston and plunger pumps in the market. For fast delivery, we stock repair parts, accessories, pumps and usually ship within 24 hours of order being placed. Durability, reliability, long-life, and fast service-all reason why Cat Pumps is THE pump of choice for high-pressure water and other fluids. Customers select our pumps due to the low life cycle cost, providing exceptional value over the life of the system

About Us

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If long-life, low-maintenance and dependable performance are important criteria for your pump and pumping system, please call Cat Pumps® to review the many options available for your next high pressure pumping system. Cat Pumps triplex positive displacement, reciprocating, high-pressure, piston and plunger pumps and custom pumping systems are available in Brass, Nickel Aluminum Bronze, 316 Stainless Steel and Duplex Stainless Steel offering compatibility with a variety of liquids. Individual pump performances range from .25-240 GPM, 100-10,000 PSI with matching system accessories. Since 1968 Cat Pumps has provided solutions for pumping various liquids under pressure. Our reputation for long-life and low-maintenance is a result of our high quality materials, closely held tolerances and 100% testing. Our triplex pump design is the most cost-effective design for achieving high efficiency and low pulsation. Cat Pumps offer 90% overall efficiency and the triplex design reduces 90% of the pulsations common in all triplex pumps. Cat Pumps durable construction has been performed in many applications across many industries:

  • Desalination-Reverse Osmosis
  • Glycol Dehydration
  • Dust Suppression
  • Odor Control
  • Enhanced Oil Recovery
  • Chemical-Waste Water Injection
  • Central Cleaning Systems
  • CO2 and other high vapor liquids
  • Hydrostatic Testing-Vessel pressurizing
  • Hydro Blasting-Surface Prep
  • Misting-Cooling-Humidification
  • Car Wash-Truck Wash-Train-Bus Wash
  • Portable Pressure Cleaning-Gas-Electric-Diesel-Hydraulic
  • Portable Foam Fighting Systems
  • Jetting-Sewer-Pipe Cleaning
  • Carpet Cleaning
  • Flushed high-temp

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Pump Selections

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Cat Pumps offers a full range of positive-displacement, triplex, reciprocating, high-pressure piston and plunger pumps for some of the toughest applications including seawater desalination, chemical injection, oil & gas process, DI water misting, foam firefighting, glycol dehydration and liquid CO2. The triplex design provides a smooth liquid flow. Cat Pumps’ product line includes single pump performances from .25 to 240 gpm [ .95 to 908 L/M] with pressures from 100 to 10,000 psi [7-690 BAR] High temperature liquids and low lubricity liquids are no problem for our special flushed manifold pumps. Cat Pumps’ flexible belt-drive, direct-drive or gearbox drive options permit easy adapting to electric, gas, diesel or hydraulic power source to meet application requirements. Many clients prefer to buy their Cat Pump as part of a custom pumping system built to their specifications. To select a pump suited to your specifications, use the on-line Product Selector tool.

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Plunger Pumps

Positive displacement, reciprocating triplex plunger pumps are better suited to high pressures than piston pumps with their static Hi-Pressure and Lo-Pressure Seals. Our triplex plunger pumps offer a variety of drive options to fit compact direct-drive gas and electric units, belt drive systems or gear drive requirements. Cat Pumps’ triplex plunger pumps are available with forged brass, 316SS and Duplex SS heads to pump many different liquids. Our plunger pumps are easy to service in-the-field and have a reputation for long service intervals and exceptional life.
Cat Pumps’ concentric, solid ceramic plungers offer a true wear surface for optimum sealing and wear resistance in continuous-duty harsh liquid applications. Plunger Pump Models range in performance from .5 GPM up to 240 GPM, up to 10,000 PSI.

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Piston Pumps

Positive displacement, reciprocating triplex piston pumps offer strong suction capabilities with their mechanically actuated inlet valves. Cat Pumps’ piston pumps feature a Uni-Flow design providing a smooth, continuous forward liquid flow. Our triplex piston pumps feature dynamic piston assemblies housed in stainless steel cylinders. Our patented sleeved piston rod provides easy servicing from the liquid-end of the pump. Cat Pumps’ triplex piston pumps are available with forged brass and 316SS manifolds suitable for many industrial cleaning applications.Piston pump Models range in performance from .5 GPM up to 60 GPM, up to 1500 PSI.

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Reverse Osmosis Desalination Pumps

Cat Pumps is a recognized supplier of rugged, stainless steel, seawater reverse osmosis,desalination pumps and systems. Our complete line of 316SS and duplex stainless steel triplex plunger pumps are used in seawater desalination systems aboard ships, offshore platforms, island support and remote locations.

Our reverse osmosis, desalination pumps offer dependability and high energy-efficiency to reduce the costs of providing fresh water. Cat Pumps triplex seawater desalination pumps are rated up to 240 GPM and are available with matching system accessories or as a custom engineered Power Unit, built to your specifications and ready for connection to your membrane system.

To meet limited space and weight requirements in some seawater reverse osmosis systems aboard pleasure craft, fishing boats, yachts and sail boats, the 2SF and 3CP models have been developed. The Stainless Steel direct-drive pump models 2SF05SEEL, 2SF10SEELS, 2SF15SEEL, 2SF20EEL, 2SF25SEEL, 2SF29SEEL, 2SF35SEEL and 2SF42SEEL deliver flows of .5-4.2 GPM. The Stainless Steel pump models 3CP1221, 3CP1231, 3CP1241 are only slightly larger using an adapter to connect to the motor and weigh less than 15 lbs providing another option for small compact desalination units in the 2-4 GPM range.

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Flushed Pumps

CAT PUMPS offers a number of flushed pumps in either cast or Block-Style manifold design. These flushed pumps feature a specially ported inlet manifold enabling a fresh water or compatible liquid external flush. The special external flush liquid cools the seals when pumping Hi-Temp liquids and lubricates the seals when pumping low lubricity liquids such as D.I. water [used in gas turbine inlet fogging systems]. Because the Lo-Pressure Seals are isolated, these flushed triplex pumps can also handle higher vapor liquids like CO2 requiring boosted inlet pressures. Flushed pumps are identified with a C or a K in the model number.

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Oilfield Triplex Pumps and Chemical Injection Pumps

Cat Pumps manufactures triplex oilfield pumps and chemical injection pumps. Many of our models are ATEX certified. Our triplex oilfield pumps are featured in hydrostatic testing, high pressure accumulator charging, pipe-tube-vessel testing, glycol dehydration, wastewater re- injection, oil transfer and enhanced oil recovery. Cat Pumps create a constant head pressure for these continuous-duty processing applications. Our liquid-end construction in 316SS and Duplex SS and other special alloys meet the demands of the oilfield liquids. Our R-Series and our Block-Style pumps offer maximum compatibility and extended life. Our oilfield triplex pumps range in performances from .5 to 240 GPM, 100 to 10,000 PSI.

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Pump Technical Support and Maintenance

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Pump Selections contd...

High Pressure Misting Pumps

Cat Pumps offers an extensive selection of high pressure misting, fogging and humidification pumps. These dependable misting pumps provide precise amounts of
moisture, evaporative cooling mists or humidity as the application requires. Our ultra-compact, direct-drive 1CX and 2DX models are suited to high pressure misting and cooling at pools and patios, outdoor eating and recreation areas, zoos, gardens and greenhouses. Our stainless steel flushed manifold high pressure misting pumps are designed for larger dust suppressi

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