1. Pumping water from wells, aquarium filtering, pond filtering and aeration 2. In the car industry for water-cooling and fuel injection 3. In the energy industry for pumping oil and natural gas 4. For operating cooling towers 5. Pumps are used for biochemical processes in developing and manufacturing medicine 6. artificial replacements for body parts, in particular the artificial heart 7. In hand soap dispenser 8. In car engine oil pumps and in various hydraulic power packs 9. Car washes often use these triplex-style plunger pumps