Process Flow Diagram Key

A process flow diagram pfd is a type of flowchart that illustrates the relationships between major components at an industrial plant.

Process flow diagram key. Macro flowchart top down flowchart detailed flowchart also called process map micro map service map or symbolic flowchart deployment flowchart also called down across or cross functional flowchart several leveled flowchart. A flowchart is a picture of the separate. It s most often used in chemical engineering and process engineering though its concepts are sometimes applied to other processes as well. The concept of the process flow diagram was first pointed out by frank gilbreth an american industrial engineer in the 1920s.

The most complete project management glossary for professional project managers. A process flow diagram pfd is a diagram commonly used in chemical and process engineering to indicate the general flow of plant processes and equipment. Most flowcharts should be built using only the start end and action or process symbols and should follow a very basic set of best practices. Process flow diagram pfd is a commonly used chart in chemical engineering and process engineering demonstrating the ongoing production flow of chemicals and other types of equipment involved.

If more than the most basic flowchart symbols appear in your diagram it is good practice to include a legend or symbol key. Another commonly used term for a pfd is a flowsheet. Process flowchart process flow diagram. The pfd displays the relationship between major equipment of a plant facility and does not show minor details such as piping details and designations.