Description
P&ID Symbols Block Library ver. 2.0
Available for AutoCAD | AutoCAD LT
This library can be easily loaded into AutoCAD or AutoCAD LT’s 2006 and newer, menu bar for quick access. With a couple clicks of the mouse, you’ll be able to quickly insert the symbols you need to generate piping & instrumentation diagrams with ease. By utilizing a pull-down menu and dialog boxes, this block library organizes all of the symbols for easy and instant access. With a couple clicks of the mouse, you’ll be able to quickly insert the symbols you need to generate piping & instrumentation diagrams with ease. By utilizing a pull-down menu and dialog boxes, this block library organizes all of the symbols for easy and instant access.
- 220 Symbols
- ANSI/ISA 5.1-2009
- Process & Signal Line Types
- Valve
- Valve operators
- Flow elements
- Pumps & Blowers
- Tanks
- Piping
- Equipment
- Instrumentation & Electrical
- Annotation
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.

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”

Step 3:
Insert the symbol in your drawing. It will already be rotated to the correct position.

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).
System requirements:
- Compatible with AutoCAD and AutoCAD LT 2000 and newer
- 10 megabytes of available disc space required