Siemens SITRANS P - Commissioning with Steam or Liquid

6.3.1.2 Commissioning with steam or liquid
Requirement
All valves are closed.
Procedure
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① Pressure transmitter
② Shut-o󹪜 valve
③ Shut-o󹪜 valve to process
④ Shut-o󹪜 valve for test connection or for bleed screw
⑤ Pressure line
⑥ Shut-o󹪜 valve
⑦ Drain valve
⑧ Compensation vessel (steam only)
1. Open the shut-o󹪜 valve for the test connection ④.
2. Via the test connection of the shuto󹪜 valve ②, apply the pressure corresponding to the lower
range value to the pressure transmitter.
3. Ensure that the lower range value corresponds to the desired value. Otherwise, correct the
value.
4. Close the shut-o󹪜 valve for the test connection ④.
5. Open the shut-o󹪜 valve ⑥ at the pressure tapping point.
6. Open the shut-o󹪜 valve for the process ③.
Commissioning
6.3 Application examples
SITRANS P320/P420
Compact Operating Instructions, 01/2021, A5E38874562-AC 47