Mechanical MaintenancePositive Displacement Pumps

Positive Displacement Pumps

SKU: RVCT-1127

Duration: 0.50 Hrs

A positive displacement pump works by capturing a given volume of liquid at the suction of the pump, and then mechanically forcing it out of the discharge at a higher pressure. In contrast to centrifugal pumps, in which the flow is affected by downstream pressure, positive displacement pumps (within the limitations of the driver) deliver a nearly constant flow, independent of the downstream pressure. Positive displacement pumps can be categorized as reciprocating or rotary action pumps. This course describes the general characteristics of positive displacement pumps and the principles of operation of various common designs.

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Course Details

Learning Objectives

• Describe the significant operating difference between a positive displacement and centrifugal pump

• List the two major classes of positive displacement pumps

• List three types of reciprocating pumps

• Describe the advantages of a multi-cylinder piston pump

• Describe the operation of a pulsation dampener

• List four types of rotary pumps

• Describe the operation of a gear pump

• Describe the operation of a vane pump

• Explain why pressure relief valves are needed on positive displacement pumps

Specs

Course Level	Intermediate
Languages	English
Compatibility	Audio, Video, MobileReady

Author

Vector Solutions

With over two decades of experience designing advanced 3D animated courseware and developing our proprietary learning management software, we pride ourselves by having developed over 1,000 safety and operations training modules, which have helped train over 250,000 workers worldwide. Our highly experienced team provides the industry with a simple and high-quality means of training their workforce. Whether your team consists of 25 people or an enterprise with thousands, we’re here to help.

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