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Technology Factsheet

Liquid CO2 Pumps

Category: Decontamination > Surface Cleaning > Compressed Air Cryogenic
Reference # : Model No :

The CO2 High Pressure Cleaning and Decontamination System pressurizes CO2 to 35,000 to 60,000 PSI. At a point of use, a heat exchanger may subsequently chill the liquid, so that after expansion through a small high pressure orifice, a significant fraction of the liquid is converted to solid phase crystals exiting at high velocity to effectively clean and decontaminate. For more aggressive cleaning, abrasive particles and/or small diameter solid CO2 pellets can be entrained into the high pressure CO2 slipstream.

Cat Pumps liquid CO2 pumps are available in brass or 316 stainless steel. Flow range of 0.5 – 48 GPM (395 – 25,225 lbs/hour), with pressure range of 400 – 5,000 PSI.



Requires good ventilation system, possible worker exposure to extreme cold.


Information from patent. Current website information indicates that CAT PUMPS will work with clients on custom liquid CO2 pump applications



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