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Barnes International designs and fabricates Machine Coolant Pumpbacks for dirty coolant return to filtration systems.  These pumpbacks are designed to fit to the discharge of the machine and are calculated for the volume size based on the application. The pumps are also selected based on the application; flow requirement, type of chip or swarf and fluid type (emulsion or oil) factors. Pumps options are conventional open impeller, chip cutters, vortex/recessed impeller and seal less run dry versions.