Building a functional pump for water requires an understanding of basic engineering principles and careful attention to detail. Pumps are mechanical devices that move fluids (liquids or gases) from one place to another. In the case of a water pump, the fluid is water. Water pumps have a wide range of applications, including irrigation, water supply, and drainage. They can be powered by electricity, gasoline, or diesel.
The simplest type of water pump is the piston pump. A piston pump works by using a piston to create a vacuum in a cylinder. As the piston moves up and down, water is drawn into the cylinder and then forced out through a discharge valve. Piston pumps are relatively simple to build and maintain, but they are not very efficient. More efficient types of water pumps include centrifugal pumps and impeller pumps.