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Reverse Osmosis & Water Treatment



With proven reliability in reverse osmosis applications around the world, Cat Pumps products are depended upon for demanding applications. Our pumps are used in several aspects of water treatment and reverse osmosis like:

  • Desalination
  • Industrial Waste Water Treatment
  • Leachate Treatment
  • And many more

As one of the most efficient and dependable positive displacement pumps available, Cat Pumps is the first choice for reverse osmosis applications. Let Cat Pumps’ commitment to quality work for you. We offer over 1000 pump models with a flow range from 0.13 - 240 GPM and a pressure range from 100 - 10,000 PSI. Our product offering includes brass, nickel aluminum bronze, 316 stainless steel and duplex stainless steel, and can be custom-engineered to be utilized in a variety of applications. Engineering changes include elastomers for chemical compatibility, modifications for high-temperature applications up to 240 degrees Fahrenheit, mounting configuration for space requirements and pump modifications for high-inlet pressures. Our application specialists, customer service representatives, and professional distributors are readily available to assist with your high-pressure manufacturing application.

Click on any application below to learn more. When it needs to run, make it Cat Pumps.

Desalination is a process that removes salt and other contamination from saltwater to produce freshwater.

As restrictions grow for leachate disposal, many landfill owners are using advanced leachate treatment processes, and one of those is membrane-based technologies.

With growing restrictions industrial wastewater disposal many businesses are using reverse osmosis treatment processes.

Cat Pumps high-pressure pumps and power units systems are used in misting systems as a way to manage odors.

One way to accelerate the evaporation of a settling pond is through the use of mist evaporators.

Filter presses are commonly used in liquid/solid separation.

With continuous operation the slip pump needs to be able to run for thousands of hours before servicing. That’s why plant managers specify Cat Pumps for slip pump systems.