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Displacement Pumps

Learning objectives

  • Describe the operating characteristics of rotary positive displacement pumps
  • Identify the primary difference between an internal rotary gear pump and external rotary gear pump
  • Describe the design and operation of each of the following types of rotary pumps:
    • Screw pumps
    • Vane pumps
    • Lobe pumps
  • Explain the purpose of a metering pump

Course overview

When you complete this lesson, you will be able to describe the design and operation of several, commonly used styles of this type of pump.

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