Jacketed line symbol
Also called Jacketed pipe
A jacketed line is a pipe inside a larger pipe, with a heating or cooling medium in the space between.
What the jacketed line symbol means
A jacketed line is a pipe inside a larger pipe, with a heating or cooling medium in the space between.
How it is drawn
Two parallel lines around the process line, closed at the ends.
The jacketed line symbol in each standard
Drawn as on most US-style legend sheets.
Jacketed pipeline. An outline drawn around the pipe for the length of the jacket.
ISO SVG
German (DIN): Doppelmantelrohr. See DIN P&ID symbols.
Where you see it on a P&ID
On sulphur, polymer, bitumen and other fluids that must stay hot.
Related symbols
Frequently asked questions
What does the jacketed line symbol look like on a P&ID?
Two parallel lines around the process line, closed at the ends.
What is a jacketed line used for?
A jacketed line is a pipe inside a larger pipe, with a heating or cooling medium in the space between. You will find it on sulphur, polymer, bitumen and other fluids that must stay hot.
Is the jacketed line symbol the same in ISA and ISO?
No. An outline drawn around the pipe for the length of the jacket. The ISO 10628-2 registration number is X409. Always check the legend sheets at the front of the P&ID set.
What is the jacketed line called in German?
Doppelmantelrohr. On a German R&I-Fließschema it is drawn to DIN EN ISO 10628-2.
- In production since 2014
- Thousands of daily users
- On MODEC FPSO projects since 2016