Cat Pumps

Liquid CO2 & High Vapor Pumps And Pumping Solutions


Cat Pumps has worked closely with OEMs over the years to enhance the pumping of liquid CO2 and other high vapor liquids. Keeping high vapor liquids like CO2 stable and in liquid CO2 form is essential. Our custom triplex, plunger, reciprocating liquid CO2 pumps have proven to be very reliable. Our custom liquid CO2 pump design offers a simple and affordable solution for pumping CO2 and other high vapor liquids. Our special Block-Style K-version and cast C-version, high-pressure plunger pumps address the concerns of higher inlet pressure, temperature and compressibility of liquid CO2 and other high vapor liquids pumping as a liquid.


We offer several performances up to 48 GPM [25225 lbs/hr] up to 5000 psi [345 bar] to handle a variety of applications including:

  • Parts cleaning
  • Foam making
  • Refrigerant Transfer
  • Lipid Extraction
  • CO2 Enhanced Oil Recovery
  • Pressure Tank Charging

  • Output ranges from .75 – 48 gpm at 300 – 5000 psi
  • Reinforced internal components designed for high inlet pressure
  • Inverted manifold to prevent vapor entrapment
  • Special seals designed for cold temperature
  • Optional Glycol flushing to prevent freezing
  • Field-proven dependability

  • Enhanced Oil Recovery
  • Refrigeration
  • Chemical-Free Cleaning
  • Storage and Transfer
  • Lipid Extraction
  • Carbon Sequestration
  • Machine Tool Cooling
  • Foam and Gel Manufacturing
  • Coal Bed Methane Recovery


Benefits of using Cat Pumps for your CO2 needs include:

  • 20 years of experience pumping CO2
  • Live Technical Support
  • Pump repair parts in stock
  • Fast delivery on pumps and systems


CAT PUMPS now offers fully customized CO2 Power Units. Simply define the operating conditions such as:

  • Inlet Pressure
  • Discharge Pressure
  • Inlet Temperature
  • Desired Flow
  • Duty Cycle
  • Controls (i.e. variable frequency drive)


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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