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There are a lot of choices out there when it comes to positive displacement pumps. Last week we gave a quick and dirty explanation of internal gear pumps, this week we take on the external gear pump. External gear pumps, as you may have guessed, are quite different from internal gear pumps. Though they have similarities, such as using gears to move fluid, their applications and capabilities are drastically different. Read on to learn more about the external gear pump, how it works, and its best and worst applications.
External gear pumps can be found in either single or double configuration with a variety of different gear types (helical, herringbone, or spur), depending upon the application. This pump is particularly well known for its tight tolerances, allowing for a great deal of flow control, and high pressure capability.
The external gear pump is ideal for many applications. Think it might be right for yours? Make sure you get the right pump for the job by talking to an experienced engineer. If you need help selecting the right pump for your application, ask us about it! We gladly provide technical assistance to businesses in Wisconsin and Upper Michigan.