| Hydraulic pumps convert mechanical energy and | | | | Most pumps get damaged by any solid particles in |
| motion into hydraulic fluid power and are usually | | | | hydraulic fluid, and, hence, require a filtration |
| powered by gas or electricity. However, hand and | | | | system. |
| air driven pumps are also utilized. There are three | | | | A hydraulic pump is a very important component |
| main types of hydraulic pumps used in the fluid | | | | of construction, manufacturing, and machining |
| power industry, namely vane pumps, gear pumps, | | | | equipment. It is responsible for a machine's |
| and piston pumps. These are all positive | | | | precision, its efficiency, and overall performance |
| displacement pumps, meaning that they transfer a | | | | of an entire system. Various materials are used in |
| calculated quantity of pressurized hydraulic fluid | | | | hydraulic pumps to minimize wear and provide |
| into a hydraulic system. This fluid progresses to | | | | consistent performance. The type of material |
| the necessary component and its pressure is | | | | used varies according to pressures and |
| reconverted to mechanical force. | | | | temperatures that a hydraulic system will undergo. |
| A general hydraulic pump design can be further | | | | A number of plastics, synthetic rubbers, and steel |
| categorized into specific groups. For example, | | | | alloys are used in the manufacturing of hydraulic |
| piston pumps can be radial, axial, in-line | | | | pumps. High-strength alloys and polymers are |
| reciprocating, or axial bent-axis piston pumps. | | | | used in high-pressure systems. |
| Vane pumps are either cam or sliding vane | | | | When choosing a pump, it is recommended to |
| pumps. Pumps can be further subcategorized | | | | consider factors like operating pressure, |
| according to the modifications made for special | | | | temperature, and frequency. For applications |
| applications. These pumps show a great variety in | | | | requiring minimal pressures, less expensive, |
| design. Irrespective of the design, all hydraulic | | | | low-pressure pumps are available. Some examples |
| pumps are to be used with fluids of definite | | | | of hydraulic pump manufacturers are Lifco |
| viscosity. Changes in fluid viscosity will cause | | | | Hydraulics, Inc., Flint Hydraulics, Inc., HYSECO, Inc., |
| altered performance, often lowering the efficiency. | | | | and Craft Fluid Systems. |