| Term | Main definition |
|---|---|
| Mechanical Seals | Mechanical seals are intended to prevent the fluid ( water or oil ) used by a machine or pump from leaking to the external environment ( the atmosphere or a body of water ). |
| Multistage Pump | Multistage pumps are pumps in which the fluid or water flows through two or more impellers which are fitted in a series within the pump. |
