Commissioning With Vapor - Siemens SITRANS P DS III Manual

5.4.4

Commissioning with vapor

①
Pressure transmitter
②
Stabilizing valve
③ ④
, Differential pressure valves
⑤
Differential pressure lines
⑥
Shut-off valves
Figure 5-2 Measuring steam
Condition
All valves are closed.
Procedure
WARNING
Hot vapor
Danger of injury or damage to device.
⑥
If the shut-off valves
①
the transmitter can be damaged by the flow of vapor.
● Follow the specified procedure for commissioning.
WARNING
Hot vapor
Danger of injury.
You can briefly open the drain valves
● Only open the drain valves
To commission the transmitter for vapor, proceed as follows:
1. Open both the shut-off valves
2. Open the stabilizing valve
3. Wait until the steam in the differential pressure lines
30
and the differential pressure valve
⑦
to clean the line. Hot vapor can escape in the process.
⑦
briefly, and close them again before vapor escapes.
⑥
at the pressure tapping point.
②
.
⑦
Drain valves
⑧
Condensate pots
⑨
Differential pressure transducer/Orifice plate
⑩
Insulation
③
are both open and the stabilizing valve
⑤
and in the equalizing vessels
SITRANS P DS III (7MF4.33.. 7MF4.34.. 7MF4.35..)
②
is then opened,
⑧
has condensed.
A5E03434626-03, 06/2013