Installation
D184B140U02 FSM4000
27
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Wechsel ein-auf zweispaltig
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4.6 Installation
Requirements
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The device measures the flowrate in both directions. The factory
default is forward flow, as shown in Fig. 15.
G00527
Fig. 15
The following items must be observed:
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4.6.1 Electrode
axis
Electrode axis (1) should be horizontal if at all possible or no more
that 45° from horizontal.
G00041
max. 45°
1
Fig. 16
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4.6.2 In- and outlet pipe sections
Straight inlet section
Straight outlet section
≥
3 x DN
≥
2 x DN
DN = Flowmeter sensor size
•
Do not install fittings, manifolds, valves etc. directly in front of the
meter tube (1).
•
Butterfly valves must be installed so that the valve plate does not
extend into the flowmeter sensor.
•
Valves or other turn-off components should be installed in the
outlet pipe section (2).
•
For compliance with the measuring accuracy, observe the inlet
and outlet pipe sections.
G00037
1
2
3xDN
2xDN
Fig. 17
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4.6.3 Vertical
connections
•
Vertical installation for measuring abrasive fluids, preferably with
flow in upward direction.
G00206
Fig. 18
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4.6.4 Horizontal
connections
•
Meter tube must always be completely full.
•
Provide for a slight incline of the connection for degassing.
G00038
3°
Fig. 19
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4.6.5 Free inlet or outlet
•
Do not install the flowmeter at the highest point or in the draining-
off side of the pipeline, flowmeter runs empty, air bubbles can
form (1).
•
Provide for a siphon fluid intake for free inlets or outlets so that
the pipeline is always full (2).
G00040
1
2
Fig. 20
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4.6.6 Strongly contaminated fluids
•
For strongly contaminated fluids, a bypass connection according
to the figure is recommended so that operation of the system can
continue to run without interruption the during the mechanical
cleaning.
G00042
Fig. 21
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