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 Supercritical CO2 Botanical Oil Extraction Links


Infinity Supercritical Liquid CO2 Pump Cleaner

Infinity Supercritical CO2 Pump Maintenance

Infinity Supercritical sells high pressure seal kits, valve kits, and complete improved Cat CO2 pumps. These pumps are highly modified from the factory to work in the Supercritical CO2 Fluid Extraction environment. Without improvements, expect only a few hours of run time, before pump failure or before major maintenance is required. After our pump modifications, expect routine maintenance around once per month. Infinity manufacturers its own seals, which have proven to have better run-time, and less fouling than the factory-supplied plunger pump seals. The CO2 pump is the heart of any extraction system. Its smooth operation is key to smooth run cycles and reduced run time, and reduced downtime. If you purchase our Pump Cleaner, you do not need to remove the pump head for regular maintenance. 


Pump Cleaning and Re-assembly: We recommend using a magnifying glass to inspect the seals and ceramic pistons as you are putting back together the pump. Inspect for any small particles of botanicals or grit, which may cause the seals not to seal properly, and not allow the system to build pressure. When you clean the pump head, please do so in a clean environment (i.e. not where there is dust and dirt present).


Instructional Videos for Start-up, Training, Operation, and Maintenance (click-here)

Recirculating Ethanol Pump Cleaner for Liquid CO2 Pumps

Liquid CO2 Pump Cleaner

Infinity Supercritical has developed a device which connects to your liquid CO2 pump, that will clean both your pump internal moving parts, and the seals, at the same time. Ethanol is pumped (using your liquid pump) closed-loop through the pump which dissolves any botanical oil build up.


The reclaimed oil from the pump can then be recovered using a rotovap. This pump cleaning device can be used with any Cat CO2 pump. Depending on the configuration of your liquid pump, the device may also be able to be used with other industrial CO2 pumps.


The main advantage of this type of closed-loop cleaning system is that you can clean the seals in place, without removing the pump head.

Liquid CO2 Pump Cleaner
Liquid CO2 Pump Cleaner