Level measurement in the water separator and pressure measurement upstream of the vacuum pump
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Level measurement in the water separator and pressure measurement upstream of the vacuum pump
Category:
Paper industry
Water separator
Level measurement in the water separator and pressure measurement upstream of the vacuum pump
Process data
Measuring task
Level and pressure measurement
Measuring point
Separator
Measuring range up to
1 m
Medium
White water from the paper machine
Process temperature
+20 … +50 °C
Process pressure
-0.7 … 0 bar
Special challenges
Permanent vacuum-resistant measurement required
Application
The paper web is dewatered in the press and wire section of the paper machine. As the resulting water is removed via vacuum pipelines which are monitored by pressure transmitters to control the vacuum pump. It is also very important to prevent water from getting into the vacuum pump. To achieve this, water separators are built into the feed lines and the separated water is drawn off by a water pump. A continuous level measurement is used to control the level and the pump.
Your benefit
Reliable
The high reliability of measurement protects the vacuum pumps from water intake
Cost effective
High availability of the vacuum system
User friendly
Easy to install, setup without calibration
Recommended products
VEGAFLEX 81
Level measurement with guided wave radar in the water separator
- Reliable measurement even in vacuum
- High accuracy even with small measuring ranges
- Measurement in the bypass independent of process conditions
Measuring range - Distance
75 m
Process temperature
-60 ... 200 °C
Process pressure
-1 ... 40 bar
VEGABAR 82
Pressure measurement in the pipeline for regulation of the vacuum pump
- Self-cleaning effect through front-flush installation in the pipe
- Permanently vacuum resistant
- Highly abrasion resistant CERTEC® measuring cell
Measuring range - Distance
-
Measuring range - Pressure
-1 ... 100 bar
Process temperature
-40 ... 150 °C
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Paper industry
