A process flow diagram (PFD) is a graphical representation of the main equipment, piping, and streams involved in a chemical or industrial process. It is an essential tool for Front End ...

Commonly known as ISA-5.4, the ISA loop diagram standard has been around since the 1950s and includes many good examples and best practices for creating effective loop diagrams. Process loop sheets ...

For example, an existing process flowchart can provide a valid starting point for the creation of the new chart. In turn, legal data, such as contractual requirements, impacts an ideal or future ...

Several diagrams and drawings are used, depending on the development or industrialization stage of a process. Among these, the process flow diagram is important: it shows the sequence of unit ...

Gateways: Diamond-shaped icons signal if an activity needs to go through a different process flow. A few different gateway symbols separate and connect flows, including exclusive, inclusive, parallel, ...