Differential Pressure And Flow Rate; Commissioning In Gaseous Environments - Siemens 7MF03 Series Compact Operating Instructions

Commissioning

6.5 Differential pressure and flow rate

5. Open the shut-off valve
6. Open the shut-off valve for the process
6.5 Differential pressure and flow rate
Incorrect or improper operation
If the lock screws are missing or are not sufficiently tight, and/or if the valves are operated
incorrectly or improperly, it could lead to serious physical injuries or considerable damage to
property.
Measure
● Make sure that the lock screws and/or the vent valve are screwed in and fully tightened.
● Operate the valves properly.
6.5.1

Commissioning in gaseous environments

Requirement
All shut-off valves are closed.
48
⑥
WARNING
at the pressure tapping point.
③
.
Compact Operating Instructions, 09/2018, A5E38874562-AB
SITRANS P320/P420 with 4 to 20 mA/HART