Siemens SITRANS FC620 Operating Instructions Manual page 12

Coriolis flowmeters
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FC6x0
Safety
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resistance. In case of corrosion or erosion, the pipes must be checked periodically to
ensure necessary wall thickness. This can be accomplished by using, for example,
the Tube Health Check function.
When performing welding tasks on the pipe, it is important not to ground the welding
equipment by way of the flow meter. Soldering and welding work on parts of the flow
meter is prohibited.
Continuous temperature fluctuations in excess of 100 °C may result in tube failure
due to material fatigue and therefore must be avoided.
The operator is responsible for ensuring that design limits (pressure, temperature) are
not exceeded in the event unstable fluids decay.
External influences may result in failure of threaded connections. The operator is
responsible for providing suitable protective measures.
Compression and shock waves in pipes can cause damage to the sensor. For this
reason it is important to avoid exceeding the design limits (pressure, temperature).
Fires may result in increased process pressure (caused by temperature-related
volume changes) and failure of gaskets. The operator is responsible for taking
suitable measures to prevent fire-related damage.
Manufacturing methods and technologies have been successfully field-tested for
decades. Erosion and/or corrosion are not taken into account.
Removal of material from the flow meter with power tools such as drills or saws is not
permitted.
Any repair, modification, replacement or installation of replacement parts is permitted
only if it's complying with this Operating Instructions. Other work must be first
authorized by Siemens. Siemens does not assume liability for damage caused by
unauthorized work on the flow meter or by improper use.
A5E52748375-AA, 2023/09
General safety instructions

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