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How to Create a P&ID Drawing

> Edraw How-To > How to Create a P&ID Drawing
Posted by Janice | 01/15/2021

Part 1: What is P&ID?

Piping and instrumentation diagrams (P&ID) are used engineering - specifically in the process industry - to show piping components in a process flow. P&IDs will include important piping details (dimensions, flow direction, etc.), safety requirements, and mechanical equipment needed.

P&IDs are a form of schematics. They are most commonly used by engineers designing manufacturing processes for industrial plants. They are helpful as a layout and blueprint of a plant, for allowing engineers to evaluate construction processes, and acting as a guideline for standards of safe facility operation.

Part 2: What is a P&ID Used For?

  1. It shows the inner relationship of how each instrument is connected.
  2. It shows the relative location of equipment, actuators, and instruments in a process.
  3. It depicts a conceptual outline of a plant and its control architecture.
  4. It provides a common language for documenting, discussing, and analyzing a plant.

Part 3: How to Make a P&ID Effortlessly?

Step 1: Start EdrawMax.

Step 2: Navigate to [New]>[Industrial Engineering]

open pid template category

Step 3: Select one P&ID template to edit on it or click the [+] sign to start from scratch.

make pid in EdrawMax

Step 4: You can export the file to Graphics, PDF, editable MS Office file, SVG and Visio vsdx file.

save or export pid

Step 5: And you can share your diagram with others via social media and online website page.

share pid

Part 4: Built-in P&ID Symbols in EdrawMax

One of the features that makes Edraw an outstanding P&ID designer is its vast collection of symbols. This following picture shows only the tip of iceberg.

P&ID Symbols

Symbol Categories:

  1. Ductwork

  2. Valves

  3. Pumps

  4. Motors

  5. Mixers

  6. Buildings

  1. Chemistry

  2. Process Heating

  3. Process Cooling

  4. Wastewater Treatment

  5. Food Processing

  6. Lights

  1. Tanks

  2. HAVC

  3. Logistics

  4. Safety

  5. Blowers

  6. Boilers

Part 5: P&ID Examples

Example 1: Piping and Instrumentation Diagram

This piping and instrumentation diagram illustrates how a flusher level control system functions. P&IDs will often include important piping details (dimensions, flow direction, etc.), safety requirements, and mechanical equipment needed.

pid example 1

Example 2: PID of a Multi-purpose Heat Pump System

This piping and instrumentation diagram illustrates how a heat pump system functions. It includes components such as heat exchangers (S1, S2, S3), solenoid valves (V1, V2, V3, V4, V5), expansion valves (EV1, EV2), and non-return valves (NRV).

pid example 2

Part 6: Conclusion

According to this article, there are mainly five parts to illustrate what is P&ID, to tell you what a P&ID is used for, to tell you how to create a P&ID, to introduce some built-in P&ID symbols in EdrawMax to you, and to show you some P&ID examples.

EdrawMax is an easiest all-in-one diagramming tool, you can create P&IDs and any other type diagrams with ease! With ready-made P&ID symbols and cliparts, making P&IDs could be as simple as possible. Also, it supports to export your work in multiple formats and share your work with others. Get started to create your P&IDs now!

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Basic Understanding of Piping and Instrumentation Diagram

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