Understanding Process and Instrumentation Diagrams (P&IDs)

Process and Instrumentation Diagrams (P&IDs) may appear complex at first. Still, with guidelines and practice, they can help design and operations professionals collaborate on complex projects with detailed control systems and process elements. This whitepaper, by Brian Literski, PE, provides some general rules and guidelines to help read and understand P&IDs.

Topics include:

  • Understanding P&ID Symbols
  • Understanding P&ID Letter Columns
  • What Should and Shouldn’t Be Included on a P&ID
  • Tips for Operatros, Contractors, and Engineers