Types of Flow Diagrams
| Flowsheet |
Primary Audience |
Core Focus |
Engineering Detail Level |
Key Exclusions |
| Block Diagram |
Executives, Clients, Process Managers |
Overall Process Concept |
Low (Conceptual) |
Specific equipment, piping, instruments |
| Schematic |
Operators, Students, System Designers |
Functional Logic |
Low-Medium (Logic) |
Scale, precise mechanical specs, exact physical paths |
| PFD |
Chemical & Process Engineers |
Mass & Energy Balance, fluid properties, major equipment |
Medium (Process) |
Minor piping, utility lines, manual valves, full instrumentation |
| P&ID |
Piping, Mechanical & Automation (Instrument) Engineers |
Physical construction and automation/control architecture |
High (Mechanical) |
Stream composition, chemical kinetics, exact spatial scaling |