Types of Process Diagrams
1.Process Flow Diagram
A flow diagram is a simple illustration that uses process symbols to describe the primary flow path through a unit
2.Process and Instrument drawing
A process and instrument drawing is more complex. The P&ID includes a graphic representation of the equipment, piping, and instrumentation
Process and Instrument Symbols
Basic instrument Symbol
Example of Process Flow Diagram
Example of Process and Instrument Diagram (P&ID)
Process Legend
Electrical Drawing