Flow-gauge for measurement of argon flow.
It is used as a device that shows the flow in argon flow regulators of the AR-40 DM type (only produced by the DONMET plant).
| Attribute | Value |
| Case diameter, mm | 50 |
| Case color | black |
| Range of readings, MPa | 0-40 |
| Gas | argon |
| Thread of the fitting | М12×1.5 |
| The location of the fitting | radial |
| Accuracy class | 2,5 |
