What is Piping and instrumentation diagram?
[[File:Pump with tank pid en.svg|thumb|Piping and instrument diagram]] A '''piping and instrument diagram''' (P&ID) is a simplified [[illustration]] or [[diagram]] of a [[process]]. It shows the required functional equipment and [[instrumentation]] to make the process work. Typically, this document is the basis of design for plant engineering. [[Category:Engineering]] {{science-stub}}