P&ID Symbols Library

It’s easy to use:

Once loaded in AutoCAD or AutoCAD LT, “PID Library” will appear in the menu bar.

Step 1:

Choose a category and size of symbols from the pull-down menu.

P&ID Symbols Pulldown

Step 2:

A dialog box appears showing all of the available symbols and their different views with a description to the left. Choose the symbol you would like to insert and click on “OK”

P&ID Symbols

Step 3:

Insert the symbol in your drawing. It will already be rotated to the correct position.

P&ID Pipe Symbol

Here’s what you get:

The “P&ID Symbols Library version 1.1″ comes with a total of 220 symbols following the ANSI/ISA–5.1–1984 (R1992) standard. The symbols are grouped in the following categories:

Process and Signal Line Types

No need to create your own line types. Simply select the line type you need from the menu, then pick your start and end points. You control the look of the lines by setting AutoCAD’s LTS (line type scale) variable to the desired setting.

Valves

This set contains: ball valve, gate valve, globe valve, butterfly valve and more.

Valve operators

This set contains: solenoid, diaphragm, cylinder, motor and more.

Flow elements

Flow meters, rotameters, spectacle blinds, and more.

Pumps & Blowers

This set contains: centrifugal, diaphragm, progressive cavity and more.

Click here to view the symbols included in this library.

Tanks

This set contains: vertical tank, horizontal tank, cone bottom tank and more.

Piping

This set contains: pressure indicator, filter, regulator, lubricator, expansion joint and more.

Equipment

Bins, clarifiers, cooling tower, and many more.

Instrumentation & Electrical

This set contains various instruments.

Annotation

This set contains: flow arrows and a revision triangle (with built in attributes).