Process Diagram Symbols


#1

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

Process and Instrument Symbols

basic instrument symbols

Example of Process Flow Diagram

Process Flow Diagram

Example of Process and Instrument Diagram (P&ID)

Process and Instrument Diagram

Process Legend

Process Legend

Electrical Drawing

electrical drawing


#2

Piping Symbols

Piping Symbols

Valves

Valves

Pumps and Tanks

Pumps and tanks

Compressors, Steam Turbines, and Motors

Compressors, Steam Turbines, and Motors

Heat Exchangers

Heat Exchangers

Cooling Towers

Cooling Towers

Reactor Symbols

Reactor Symbols