Siemens SITRANS F Series Operating Instructions Manual page 20

Installing/Mounting
4.4 Mounting the sensor
● Centre the flowmeter in relation to pipe flanges and gaskets.
● Install two supports or hangers symmetrically and stress-free in close proximity to the
process connections.
Figure 4-4
20
CAUTION
Gas / air bubbles in the liquid
Avoid the accumulation of large quantities of air in the sensor as these will affect
measurement. When air is present, installation of an air separator upstream of the meter
is recommended.
Gas / air bubbles
SITRANS F US SONO 3300
Operating Instructions, 01/2010, SFIDK.PS.029.J4.02