 Piping and instrumentation diagram

A Piping and Instrumentation Diagram (P&ID) is a detailed graphic representation of a process system, showing the piping, equipment, instrumentation, and control devices. P&IDs are used in various fields such as chemical, oil and gas, mechanical, and environmental engineering to design, build, and manage process plants. ### Key Components of a P&ID: 1. **Piping**: The physical pipes that transport fluids, gases, or slurries through the system.