Measurement Setup Differential Pressure - Vega VEGADIF 85 Operating Instructions Manual

In gases and vapours
In vapour and conden-
sate plants
VEGADIF 85 • HART and accumulator pack
Fig. 19: Measurement setup, flow measurement in liquids
1 Orifice or impact pressure probe
2 Blocking valves
3 VEGADIF 85
4 Precipitator
5 Drain valves
6 3-fold valve block
4.6 Measurement setup differential pressure
•
Mount VEGADIF 85 above the measurement loop so that conden-
sate can drain off in the process cable.
2
Fig. 20: Measurement setup with differential pressure measurement between
two pipelines in gases and vapours
1 Pipelines
2 Blocking valves
3 3-fold valve block
4 VEGADIF 85
•
Mount VEGADIF 85 below the measurement loop so that some
condensate can collect in the effective pressure lines.
1
2
3
+
4
5
4
3
+
1
4 Mounting
2
–
4
5
6
2
1
23