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Process Flow Diagram

What is a Process Flow Diagram

A Process Flow Diagram (PFD) is a diagram which shows the relationships between the main components in a system. Process Flow Diagrams are widely used by engineers in chemical and process engineering, they allows to indicate the general flow of plant process streams and equipment, helps to design the petroleum refineries, petrochemical and chemical plants, natural gas processing plants, and many other industrial facilities.

Process Flow Diagram is focused on the representation the major equipment and doesn't show minor equipment details and designations. The PFD of a single unit process can include:

  • process piping;
  • major equipment items, symbols, names and identification numbers;
  • recirculation streams and major bypass;
  • control valves and other valves which influence on the system's work, monitor and control the operations of the processes;
  • flow directions;
  • interconnections with other systems;
  • the set of operational data - pressure, temperature, flow rate, density, operational values for the pumps, compressors, distillation columns and other vessels, composition of fluids, process stream names, amount and composition of all the major process streams, amount of heat, system ratings, etc.

Process Flow Diagram - Crude Oil Distillation Unit

Example 1. Process Flow Diagram - Crude Oil Distillation Unit


Benefits of Process Flow Diagram

The Process Flow Diagram has a wide set of benefits:

  • gives a clear documentation of a process;
  • allows to define and offers common understanding of processes;
  • helps to build a process visual representation for analysis, discussion, and communication;
  • allows to identify the scope of the process;
  • allows to trace and analyze the process steps;
  • helps to standardize and find areas for monitoring, improvement and increased efficiency in a process;
  • allows to find and detach the steps of the process that are not essential;
  • helps in understanding the logic of complex problems;
  • offers a guidance for managers overseeing operations;
  • shows the plant design basis, the arrangement of major equipment, process lines, main control loops;
  • indicates feedstock, product, main streams flow rates and operating conditions;
  • facilitates communication between programmers and business people;
  • helps programmers to write the programs of any complexity and on the any high level language;
  • helps in debugging process and provides efficient program maintenance;
  • helps to understand and explain to other people the logic of the complex problems and their solution;
  • assists to improve teamwork effectiveness.

Design a Process Flow Diagram in ConceptDraw DIAGRAM

ConceptDraw DIAGRAM diagramming and vector drawing software extended with powerful tools of Flowcharts Solution from the "Diagrams" Area of ConceptDraw Solution Park is effective for drawing:

  • Process Flow Diagram
  • Flow Process Diagram
  • Business Process Flow Diagrams

Flowcharts Solution offers collection of predesigned samples and 2 libraries with variety of predesigned vector shapes for easy drawing Process Flow Diagrams:

  • Flowchart library contains 26 objects,
  • Flowcharts Rapid Draw library contains 39 objects.
Process Flow Diagram *

Example 2. Process Flow Diagram. Design Elements — Invoice Payment Process Flowchart
for Apple OS X and Windows

The Process Flow Diagrams you see on this page were created in ConceptDraw DIAGRAM software using the Flowcharts Solution and Chemical and Process Engineering Solution. These samples are available from ConceptDraw STORE.

Use the tools of Flowcharts Solution for ConceptDraw Solution Park for fast and easy designing professional looking Process Flow Diagram, and then successfully use it in your work activity.

All source documents are vector graphic documents. They are available for reviewing, modifying, or converting to a variety of formats (PDF file, MS PowerPoint, MS Visio, and many other graphic formats) from the ConceptDraw STORE. The Flowcharts Solution is available for all ConceptDraw DIAGRAM or later users.




TEN RELATED HOW TO's:

Best Flowchart Software and Flowchart Symbols →

Do you like the professional schemes that you can find on the Internet? Take into account that the most part of them is made using the Best Flowchart Software and Flowchart Symbols. Try you own powers in creating such diagrams! Flowcharts are the most business diagramming tool. If you are a business manager, you can use flow chart to depict work flow in your organization, develop the effective organizational structure and present the information to investors or other stakeholders. Combining the smart management solutions with ConceptDraw DIAGRAM diagramming engine delivers the set of comprehensive flowchart tools necessary to support professionals in their creativeness and business activity.Best Flowchart Software and Flowchart Symbols *
Picture: Best Flowchart Software and Flowchart Symbols
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Work Flow Process Chart →

Workflow Diagram - workflow process diagram is a visual representation of a organizational process flow. Often it used as the same visual notation as process flow diagram. Visualising business processes using workflow diagram (workflow process diagram) allows estimate business process efficiency, analyse and optimize the process itself. Workflow diagram helps get focusing on each step and relations between workflow steps. ConceptDraw DIAGRAM is software for making workflow diagram. It contains specific designed graphics to draw workflow diagrams effectively. This is workflow diagram maker which do your work process effective.Work Flow Process Chart *
Picture: Work Flow Process Chart
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Flowchart Marketing Process. Flowchart Examples →

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Picture: Flowchart Marketing Process. Flowchart Examples
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Process Flow Chart Symbol →

Process Flow Charts are very popular and widely used in chemical and process engineering for representation a general flow of plant processes and equipment. If you need often draw them, the ConceptDraw DIAGRAM diagramming and vector drawing software extended with tools of Flowcharts Solution will be useful for you. The mostly used set of process flow chart symbols includes the following: Rectangle (box) process flow chart symbol, Rounded rectangle, Circle, Diamond.Process Flow Chart Symbol *
Picture: Process Flow Chart Symbol
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Create TQM Flowcharts for Mac →

The Total Quality Management Diagram solution helps your organization visualize business and industrial processes. Create Total Quality Management diagrams for business process with ConceptDraw software.Create TQM Flowcharts for Mac *
Picture: Create TQM Flowcharts for Mac
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Social Media Response Management DFD Charts - software tools →

ConceptDraw is your tool for driving social integration and managing change across and streamline social media processes of your organisation.This tool keeps the entire team on the same page allowing you to realize your social media strategy, improve the quality of your answers, and minimize the time it takes to respond.Social Media Response Management DFD Charts - software tools *
Picture: Social Media Response Management DFD Charts - software tools
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Flowchart Software →

Describing a workflow or approval process can take hours and be too complicated, especially since there are options to do it quickly and vividly. Diagrams called flowcharts replace long paragraphs of boring text and represent information in a graphic way. You can draw one on paper or you can use flowchart software to do it quickly and scalable. This kind of software is easy to use and you don’t need any special skills to start using it. In addition, there are a lot examples and predesigned templates on the Internet. Flowcharts are a best tool for staking out a huge and complex process into some small readable parts. Surely, flowcharts can be drawn manually but the use of standard symbols that make it clear for a wide audience makes a software tool preferred for this task. The core for a successful flowchart is its simplicity. That is why often before beginning making flowchart through software, people draw the sketch on a piece of paper. Designing an effective flowchart means the combination of the data needed to be shown and the simplicity with which you depict it.Flowchart Software *
Picture: Flowchart Software
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IDEF0 Flowchart Symbols →

Functional modeling allows to make complex business processes simple. One of the basic methods is IDEF0 and one of the most effective also. To create a business model, use flowchart symbols. The IDEF0 library, supplied with ConceptDraw IDEF0 Diagrams solution contains 18 IDEF0 basic notation symbols. All symbols are the vector graphic images what means, that one can customize their size preserving the stable quality. Another library of IDEF0 symbols can be find out in the the Business Process Diagrams solution, included to the Business Processes section of ConceptDraw Solution Park. These libraries composed from just vector objects and are totally compatible. You can apply the IDEF0 symbols from both libraries at your flowcharts, if needed.IDEF0 Flowchart Symbols *
Picture: IDEF0 Flowchart Symbols
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