Introduction to Valves and Their Components

Learning objectives

  • Discuss the overall purposes served by valves in a system or process
  • Illustrate various valve types and highlight their differences
  • Explain how valve stem leakage is controlled
  • Describe the operation of root and throttle valves
  • Identify the following valve components:
    • Body
    • Bonnet
    • Stem
    • Actuator
    • Packing
    • Seat
    • Disk
  • Identify common valve markings and their meanings

Course overview

When you complete this lesson, you will be able to explain the basic design and function of valves, major valve components, and flow control elements.

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