Process Flow Diagrams (PFDs) and Process and Instrument Process flow diagrams (PFDs) are used in chemical and process engineering. These diagrams show the flow of chemicals and the equipment involved in the process. Generally, a Process Flow Diagram shows only the major equipment and doesn't show details. PFDs are used for visitor information and new employee training. 1.2. Process Flow Diagram (PFD) | Diagrams for The process flow diagram (PFD) represents a quantum step up from the BFD in terms of the amount of information that it contains. The PFD contains the bulk of the chemical engineering data necessary for the design of a chemical process. For all of the diagrams discussed in this chapter, there are no Process flow diagram - Wikipedia OverviewTypical content of a process flow diagramProcess flow diagram examplesOther items of interestA process flow diagram is a diagram commonly used in chemical and process engineering to indicate the general flow of plant processes and equipment. The PFD displays the relationship between major equipment of a plant facility and does not show minor details such as piping details and designations. Another commonly used term for a PFD is a flowsheet.See more on enpedia · Text under CC-BY-SA license Process Flow Diagram Symbols | Chemical Engineering | The Chemical and Process Engineering Solution from the Engineering Area of ConceptDraw Solution Park is a unique tool which contains variety of predesigned process flow diagram symbols for easy creating various Chemical and Process Flow Diagrams in ConceptDraw Process Flow Diagram - Archived - HACCP Generic Model for Description for Process Flow Diagram. This diagram is a flow chart showing the process flow for sprouts grown in water. The diagram lists the necessary steps from 1 - 18 to be taken in the sprouting and processing of sprouts grown in water. Identified in pink ovals are the Critical Control Points (CCPs).