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FLOWSIC100 Flare · Operating Instructions · 8013344/11L2/V 2-5/2018-10 · © SICK Engineering GmbH
Assembly and Installation
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3.1.2
Further notes for project planning
Applications with specific conditions or installation in vertical pipelines
a) Applications with wet gas
Condensate can accumulate in the nozzle pipes. The following solutions can help to pre-
vent measurement problems (malfunctions caused by solid-borne noise, see Service
Manual), or damages when removing the sender/receiver unit (condensate runs out).
Use a nozzle position which prevents accumulations of condensates in nozzle pipes.
Use a closed continuous or periodical condensate drain with backflow to the pipe-
line. Technical solutions are available on request depending on operating conditions
(pressure, temperature).
Isolate the nozzle pipe to reduce dew point underruns (only for low gas temperatures
< 100 °C).
b) Short inlet and outlet paths (
Use the best possible positioning for the measurement path (consult SICK for sup-
port).
c) Vertical ducts with flow direction from top to bottom
The measured value gets a negative sign (output LC display).
Set a negative linear regression coefficient (
) to change it.
Installation location for external pressure and temperature transmitters (option)
Pressure tappings and thermowells for external transmitters have to be installed in the
following way:
●
Pressure tapping:direct at measurement point, on top side of pipeline
●
Thermowell:downstream with distance 3D (measured from the middle of the measuring
path), on top of pipeline
Installation of condensate drains always requires the approval of the
plant operator.