Ball valve symbol
A ball valve opens or closes with a quarter turn of a ball with a hole through it.
Isometric
What the ball valve symbol means
A ball valve opens or closes with a quarter turn of a ball with a hole through it.
How it is drawn
Where you see it
Quick isolation on process and utility lines, and many automated on/off valves.
What is written next to it
On the isometric, the ball valve usually carries the valve tag and an item number.
What gets checked on site
For a ball valve, the site checks usually cover the tag, the handle or actuator orientation and the bolting. Each check is recorded against the line and the joint, so the line can go into its test pack and be handed over with its evidence. See the ITR guide.
Related symbols
Frequently asked questions
What does the ball valve symbol look like?
The valve body with a circle in the centre.
Where is a ball valve used?
Quick isolation on process and utility lines, and many automated on/off valves.
Every ball valve on your isometrics, tracked to the test pack.Deskely Testpack builds test packs from the line list and the drawings, records the test in the field and tracks reinstatement to the last spade.
- In production since 2014
- Thousands of daily users
- On MODEC FPSO projects since 2016