Thomas Products”TA Series articulated piston pumps combine a range of heavy-dutyfeatures to provide high pressure and long, service-free life in toughapplications. Powered by rugged permanent-magnet, low-voltage directcurrent motors, pump models TA-2101DC, TA-3101DC, TA-4101DC and TA-5102DC are a good fit for many automotive and  industrialapplications. All are available in Class H insulated 12 VDC versions,with the TA-4101DC also offered in 24 VDC. Long-life features includeoilless design, permanently lubricated bearings, cast-iron cylinders,and polytetrafluoroethylene (PTFE) piston rings and skirts. The pumpsare designed to be field  serviceable.  Maximum flow for theTA DC pumps ranges from 1.4 to 4.0 CFM (39 to 115 LPM). Maximumoperating and restart pressure is 100 PSI.