For truck-mounted hydraulic systems, the most common design in use is the gear pump. This design is characterized as having fewer moving parts, being simple to assistance, more tolerant of contamination than additional designs and relatively inexpensive. Gear pumps are set displacement, also known as positive displacement, pumps. This means the same level of stream is produced with each rotation of the pump’s shaft. Gear pumps are rated with regards to the pump’s Gear Pump china maximum pressure rating, cubic inch displacement and maximum insight speed limitation.

Generally, gear pumps are used in open center hydraulic systems. Gear pumps trap oil in the areas between the tooth of the pump’s two gears and the body of the pump, transportation it around the circumference of the gear cavity and then push it through the wall plug port as the gears mesh. Behind the brass alloy thrust plates, or wear plates, a little amount of pressurized essential oil pushes the plates tightly against the apparatus ends to boost pump efficiency.