Reading a P&ID

Learning objectives

  • Identify symbols for selected vessels, compressors, heat exchangers, valves, and pumps
  • Identify instrument symbols
  • Describe how the instruments in control loops are named on a PID
  • Identify piping and determine information about a pipeline including:
    • Material in the line
    • Size of the pipe
    • Line number
  • Recognize the different types of lines including pneumatic, hydraulic, electric, and signal lines

Course overview

When you complete this lesson, you will be able to use a P&ID to identify instrumentation, common equipment, and symbols used in your area. You will also be able to describe how components are related.

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