INSTALLATION 3
35
SITRANS FX330
www.siemens.com/flow08/2022 - A5E36751269-AG EN
3.8 Installation
3.8.1 General installation notes
The following procedures have to be carried out before installing the device:
• Ensure that the gaskets have the same diameter as the pipelines.
• Note the correct flow direction for the device. This is indicated by an arrow on the neck of the
flow sensor.
• On measuring points with varying thermal loads, the devices have to be mounted with stress
bolts (DIN 2510).
• Stress bolts or bolts and nuts are not included in the scope of delivery.
• Ensure that the measuring flange is concentrically fitted.
• Note the exact installation length of the measuring device when preparing the measuring
point.
CAUTION!
Installation, assembly, start-up and maintenance may only be performed by appropriately
tr
ained personnel. The regional occupational health and safety directives must always be
observed.
Figure 3-12: Preparing the metering point
1 Installation length of measuring device + thickness of gaskets
CAUTION!
The inner diameter of the pipelines, the flow sensor and the gaskets must match. The gaskets
may not protrude into the flow.
Figure 3-13: Inner diameter
1 Inner diameter of connection pipe
2 Inner diameter of flange and gasket
3 Inner diameter of flow sensor
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