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

Valves are the single most common piece of equipment in industrial facilities. This online training covers valve fundamentals, including the major components common to most valves and the basic types of flow control elements used in valve design.

This training explains the basic design and function of valves, major valve components, and flow control elements. Using 3D animation, the training examines valve functions, body and bonnet, trim, actuators and packing, types, and markings. This lesson is part of the Valve Selection and Maintenance series.

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