An intensive professional development training course on

Process Engineering Flow Scheme
(PEFS) / Eng Reading

We currently have no scheduled sessions for this course. If you are interested in running this course, please contact our Training Department at

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Why Choose this Training Course?

The course will introduce and lead participants to the presentation and reading of engineering drawings (schematics) and symbols that are related to Process Flow, Piping, Process (piping) and Instrumentation Diagrams P&IDs.

Major emphasis will be placed on Process Plant Equipment, such as valves, valve actuators, pumps, compressors, motors, tanks, control instrumentation and control loops, etc, in addition to mass and energy balance considerations to the flow process.

This course will:

  • Systematically offer information that can be used to recognize standard engineering flow diagrams
  • Be used to understand how the major parts of the process interact with each other, be used to plan effective installation, operation and inspection of plants and equipment.
  • Include relevant exercises to emphasis the fundamental aspects of Process Flow and P&ID diagrams.
  • Provide sound knowledge and skills to independently evaluate possible design solutions through an understanding of prints and symbols.


What are the Goals?

The major goals of this course are to develop fundamental understanding of flow and P&ID diagrams and Prints and recognition of a variety of schematic conventions and standard drawing symbols.

Upon completion of this course, attendees will have a practical understanding of Process Flow and P&ID diagrams and would be able to;

  • Know about methods of Representation of Views and Projections.
  • Recognise symbols of proprietary engineering components.
  • Identify various types of lines on flow and P&ID Diagrams
  • Demonstrate the ability to interpret process (piping) and instrumentation diagrams P&IDs.
  • Identify schematics by their symbols, such as Fluid-power, Flow, Piping, Components, equipment, etc.


Who is this Course for?

The course is primarily intended for individuals, with or without an engineering background, who need to be familiarized with standard methods of reading and interpreting Process Flow and P&ID diagrams. This include the following;

  • Plant Engineers
  • Maintenance Personnel and Supervisors
  • Other technical individuals

The course will also benefit senior engineers and managers who would like to increase or refresh their knowledge of reading and interpreting Process Flow and P&ID diagrams.


How will this be Presented?

The course combines presentations and discussions of topics covered with relevant examples.

Class exercises will be conducted to emphasis fundamental principles of reading Samples of equipment will be shown to the attendees and then associated with relevant engineering flow and P&ID diagrams, prints an symbols.

Participants will be provided with comprehensive paper and soft copies of course notes and copies of presentation material that will be very valuable for detailed study and future reference.


The Course Content

Day One
  • Introduction To Engineering Prints And Representations, Methods of Representation
  • Views and Projection
  • Guidelines for schematic flow diagrams, Symbols and Abbreviations
  • Instrumentation, e.g. Flow Indicators, Flow Recorders Temperature Controllers, etc.
  • Devices, e.g. Valves, Fittings and Special Symbols, Flow Lines, etc.
  • Equipment Symbols, Pumps, Compressors, Vessels, Tanks, etc.
  • General introduction to P&ID and PFD, Purpose, Contents of PFD
  • Flow direction, Line types, Line cross-over
  • Titles and Legends, equipment numbering
Day Two
  • Piping Drawings, P&IDs, Equipment and Symbols
  • Process (Piping) and Instrumentation diagrams P&ID
Day Three
  • Equipment Location Drawings, Plot plans, Elevation plans
  • Types of Process Diagrams, Block Flow Diagrams, Flow diagrams, Process flow design
  • Line Symbols, stream information, numbering and Flags, Battery Limits
  • Standard Conventions for Valve Status, Valve  Actuators and Control, Control  Valve Designations
  • Instrument Identifiers and Function Symbols
  • Controllers, Modifiers and Transmitters
Day Four
  • Functional Instrument-Identification Letters, Examples of Instrument Loops
  • Storage Symbols (Tanks or Reservoirs), Heat Exchangers. Cooling Towers
  • Furnaces, Boilers. Reactors. Distillation Columns
  • Conventions Used for Identifying Process Equipment, Equipment numbering
  • Heat and material balances. material balance tables
  • Piping Isometric Diagrams & Flow Examples, Exercises
Day Five
  • Interlock Logic Symbols, General considerations
  • Use of Logic Symbols
  • Input, Output, And, Or, Not, etc.
  • Example of Process Logic Circuits
  • Exercises
  • Revision, Summary and conclusions

The Certificate

  • AZTech Certificate of Completion for delegates who attend and complete the course.


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