Gear Pumps: Design, Operation & Reliability | Pumps & Systems
Gear pumps are often used in pumping relatively viscous liquids, such as some viscous liquid hydrocarbons, liquid fuels, lubrication oil pumping in machinery packages, hydraulic units and fluid power transfer units. Gear pumps are the most popular type of positive displacement pump. Small gear pumps usually operate at a speed between 1,700 rpm and 4,500 rpm, and larger models most often,Oil Gear Pumps, Cast Iron & Aluminum, External Fixed,,Parker Gear Pumps’ power dense design produces an energy savings and provides OEMs a marketable advantage to improve revenues. The wide selection of external hydraulic gear pumps are is built to deliver high performance and high endurance, making them ideal for many markets such as Oil & Gas, Agriculture, Construction, Material Handling, and more.HYDAC | External gear pumps,EXTERNAL GEAR PUMPS. Available in four different sizes, with very narrow-stage specific displacement flow and a large range of flange and shaft designs. Our external gear pumps can be used in many various applications and industries. HYDAC external gear pumps are also available as multiple pump combinations (PGE104).