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. 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 process flowsheet.. Context diagrams and other data flow diagrams show — in flow chart form — how data moves through an information system. They are by nature system design and analysis tools, but they can be used to illustrate a wide range of processes. Unlike other flowcharts, context diagrams and data flow diagrams don't indicate the sequence of the.
English: A flow diagram is a diagram representing some kind of flow. The most known is the flowchart, often also called "flow diagram" but there are more different kind of flow diagrams. Contents. 1 History; 2 General types of flow diagrams. 2.1 Flow charts; 2.2 Flow maps; 2.3 Sankey diagram;. Example of a flow diagram of a nuclear submarine propulsion system. Flow diagram is a diagram representing a flow or set of dynamic relationships in a system. The term flow diagram is also used as a synonym for flowchart, [1] and sometimes as a counterpart of the flowchart. [2]Flow diagrams are used to structure and order a complex system, or to reveal the underlying structure of the elements.