Agitator symbol
Also called Mixer
An agitator mixes the contents of a vessel or tank with an impeller on a shaft driven by a motor.
What the agitator symbol means
An agitator mixes the contents of a vessel or tank with an impeller on a shaft driven by a motor.
How it is drawn
A vertical shaft from a motor at the top down to an impeller, drawn inside the vessel outline.
The agitator symbol in each standard
Drawn as on most US-style legend sheets.
Agitator (general), stirrer (general). A shaft with a simple blade. Paddle, anchor, propeller, turbine and other agitator types have their own numbers (C2019 to C2027). The drive is drawn separately, for example the electric motor C0082.
ISO SVG
German (DIN): Rührwerk. See DIN P&ID symbols.
Where you see it on a P&ID
In reactors, mixing tanks, slurry tanks and chemical make-up tanks.
Tag codes
The agitator is commonly tagged:
- A
- M (motor)
Tag formats follow the project numbering procedure. For instruments, the letters follow ISA 5.1, explained on the instrument symbols page.
Related symbols
Frequently asked questions
What does the agitator symbol look like on a P&ID?
A vertical shaft from a motor at the top down to an impeller, drawn inside the vessel outline.
What is a agitator used for?
An agitator mixes the contents of a vessel or tank with an impeller on a shaft driven by a motor. You will find it in reactors, mixing tanks, slurry tanks and chemical make-up tanks.
What tag does a agitator have?
It is commonly tagged A, M (motor). The exact tag format comes from the project numbering procedure and the legend sheets.
Is the agitator symbol the same in ISA and ISO?
No. A shaft with a simple blade. Paddle, anchor, propeller, turbine and other agitator types have their own numbers (C2019 to C2027). The drive is drawn separately, for example the electric motor C0082. The ISO 10628-2 registration number is 2672. Always check the legend sheets at the front of the P&ID set.
What is the agitator called in German?
Rührwerk. 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