Make a Better Process Flow Diagram

Process flow diagram, for convenience sake, many people call it PFD. PFD shows the relationships between the major components in the system. PFD also tabulate process design values for the components in different operating modes, typical minimum, normal and maximum.

Process Flow Diagram

process flow diagram example

What's a process flow diagram?

Process Flow Diagram, which is also known as process and instrumentation diagram, is a schematic illustration in the process industry showing the piping of the process flow together with the installed equipment and instrumentation through graphical symbols. It shows how industrial process equipment is interconnected by a system of pipelines, which is required by engineers to start planning for the construction of a plant.

Why process flow diagram is important?

1. It allows different business units to see what their roles are in a process.
2. It helps to identify non-value-added operations and facilitates teamwork and communication.
3. It is simple to create, easy to understand, and helps preserve the practices that make your business work.
4. Its visual representation of processes allows those who are not familiar with the process to understand how it works and more importantly to see where there are disconnects.

How to Create a Better Process Flow Diagram?

Start Process Flow Diagram

Start with the Exact Template

In Edraw, the Process Flow Diagram Template helps you easily create process flow diagrams using massive built-in symbols. Double click the template from Engineering Category on the starting page to enter the drawing page. You will discover abundant symbols and easy-to-use tools available for process flow diagrams.

Use Standard Built-in Symbols

Edraw includes more than 2000 vector PFD symbols created from different international standards. In Edraw library, all PFD symbols are classified into groups as equipment, valves, piping and connection shapes, stream flag, instruments, etc., which you can easily use to depict mechanical equipment, piping, piping connection, valves, equipment drivers and instrumentation and controls. Go to Process Flow Diagram Symbols page to have a general knowledge about the symbols.

Process Flow Diagram Symbols

Basic Steps:

1. On the File menu, point to New, point to Engineering, and double click Process Flow Diagram template. A new drawing page will open.
2. Go to the library pane on the left of the canvas. From Equipment, drag equipment shape onto the canvas.
3. Use pipelines to connect the equipments.

  1. Drag a pipeline from the Connection Shape onto the drawing page. Position an endpoint with an equipment shape. Connection points ( blue x ) will appear on the equipment shape. You can connect with any connection point as you want. When the endpoint turns red, it means it's glued to the equipment shape. Note: Connection point can be created through Connection Point Tool under Home tab if you need.
  2. Drag the other endpoint to another equipment shape as above.
  3. Pipeline style is changeable if you need a special line weight or arrow direction. Go to Home tab Line button to set the pipeline style.
Connect Circuits Diagram
4. You can add valves and instruments in the same way.
5. Rotate a shape through the rotation handle when it's selected.
6. Reposition a shape by dragging it to the required place.
7. Add data to a component by double clicking on it.

Print: When a process flow diagram is done, it's easy to print and share with more people. On the file menu, point to Print to set for print options. You can change settings with fewer clicks and see the print preview in real time.

Export: Edraw offers support for exporting your diagram to various formats, including Microsoft Office, PDF, and many other graphic formats. On the File menu, point to Export & Send for Export options.

More Features Make Edraw the Best Choice

  1. Edraw has built in a set of nice looking themes with advanced effects. It's easy to change the whole diagram by changing the active theme with just a few clicks. You don't have to be professional in designing.
  2. All Edraw documents are vector graphic files with high clarity and available for reviewing and modifying.
  3. A set of smart tools are provided for automatic formatting. You can easily arrange, rotate, group and align objects.
  4. Edraw offers various customization options, using which you can adjust line width, line color, line style, font size, font style, text color, and much more.
  5. Easy to add photos, images and edit text fields.
Here is a complete example of process flow diagram created by Edraw.

Excellent PFD Software for Windows

Essential Graphics and Tools to Create PFD

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