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:
Measuring range up to:
1 m
White water from the paper machine
Process temperature:
+20 … +50 °C
Process pressure:
-0.7 … 0 bar
Special challenges:
Permanent vacuum-resistant measurement required


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

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

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Industry brochure

Level and pressure instrumentation for the paper industry