Which type of pump is commonly used in hydraulic systems?

In hydraulic systems, positive displacement pumps are widely employed due to their ability to deliver a consistent flow rate regardless of the pressure in the system. These pumps work by trapping a fixed volume of fluid and forcing it out of the pump, resulting in a steady and controllable output, which is crucial for hydraulic applications where precision and reliability are key.

Positive displacement pumps can operate efficiently at a wide range of pressures and flow rates, making them suitable for various hydraulic tasks. Unlike centrifugal pumps, which rely on fluid velocity and can lose performance as pressure increases, positive displacement pumps maintain their performance characteristics under varying load conditions.

While gear pumps and diaphragm pumps are specific types of positive displacement pumps that have their own applications, the broader classification of positive displacement pump encompasses several types, allowing for versatility in hydraulic system designs. This adaptability is why the selection of a positive displacement pump is the go-to choice for most hydraulic applications.