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Combustion air pipe

Combustion air flow and volume measurement

Process data

Measuring task:
Differential pressure measurement
Measuring point:
Measuring range up to:
30 mbar
Air and coal dust
Process temperature:
+200 … +400 °C
Process pressure:
0 … +1 bar
Special challenges:
Very small measuring ranges, high temperatures


To ensure an optimum combustion process in a coal-fired power plant, the amount of air flowing in the pipes leading to the furnace must be carefully monitored. A Venturi section of the air pipe is a defined constriction in which the pressure drops a few millibars proportional to flow rate. Differential pressure transmitter measures the pressure drop across the measuring section very accurately and calculates the air flow rate.

Your benefit

Reliable flow measurement of combustion air
Cost effective
Exact volume control possible for optimal combustion process
User friendly
Easy setup

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