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Level measurement in the deaerator

Process data

Measuring task:
Level measurement
Measuring point:
Measuring range up to:
1.2 m
Paper suspension
Process temperature:
+20 … +50 °C
Process pressure:
-0.8 … 0 bar
Special challenges:
Foaming, turbulent surface due to gas emissions, low level with vacuum


The approach flow system connects the stock preparation facility with the paper machine. Here, the pulp for the paper machine is diluted to the required consistency. Additionally, the approach flow system ensures a smooth flow of stock. A particularly important element is the stock deaerator upstream of the headbox. It removes any entrained air under vacuum to ensure a constant, smoothly running process. For effective performance, the stock deaerator always has to be filled to a predefined, millimetre-exact level.

Your benefit

Dry run protection for the headbox pump
Cost effective
Low-cost solution through use of electronic differential pressure
User friendly
Easy mounting without mounting brackets and capillary tubes

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