A ProcessFlowDiagram(PFD) is a type of flowchart that illustrates the relationships between major components at an industrial plant. It's most often used in chemical engineering and processengineering, though its concepts are sometimes applied to other processesas well. What is a Process Flow Diagram | Lucidchart Is this answer helpful?Thanks!Give more feedbackThanks!How can it be improved?How can the answer be improved?Tell us how Flowchart Software to Quickly Create Flowcharts | Creately Specially designed flowchart shapes, styles and shortcuts help you draw diagrams better. Draw the next shape and connector in a single click; 100’s of pre-drawn templates to get a running start; Professionally designed shapes, styles and themes Data Flow Diagram Online | DFD Maker | Creately Easy-to-use Creately data flow diagram maker to visualize the flow of data through your systems. Data flow diagram templates and all DFD symbols to make data flow diagram online.