3.2.3 Installation in a drop line
Installation in a drop line is only recommended if a pipeline reduction or orifice with a smaller
cross-section can be installed to create back-pressure and prevent the sensor from being
partially drained while measuring.
① Back pressure orifice
② On / off valve
Figure 3-6 Installation in drop line
3.3 Disassembly
WARNING
Incorrect disassembly
The following risks may result from incorrect disassembly:
- Injury through electric shock
- Risk through emerging media when connected to the process
- Risk of explosion in hazardous area
In order to disassemble correctly, observe the following:
● Before starting work, make sure that you have switched off all physical variables such as
pressure, temperature, electricity etc. or that they have a harmless value.
● If the device contains hazardous media, it must be emptied prior to disassembly. Make
sure that no environmentally hazardous media are released.
● Secure the remaining connections so that no damage can result if the process is started
unintentionally.
Installing/mounting
3.3 Disassembly
SITRANS FC430
28 Compact Operating Instructions, 09/2019, A5E39940293-AB
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