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Headbox

Pressure measurement in the headbox

Pressure measurement in the headbox

Process data

Measuring task:
Pressure measurement
Measuring point:
Pipe
Measuring range up to:
10 bar
Medium:
Paper suspension
Process temperature:
+20 … +50 °C
Process pressure:
0 … +10 bar
Special challenges:
High humidity and warm measuring environment

Application

The paper suspension is pumped into the headbox of the paper machine. Via the hydraulically pressurized headbox it passes through a tapered cross-flow distributor and manifold, through the rectangular discharge opening, or slice, onto the screen. The outflow speed of the suspension is adjusted to match the speed of the screen by adjusting the pressure of the headbox feed pump. This means an accurate pressure measurement, with minimal turbulence created in the headbox is vital at this part of the process.

Your benefit

Reliable
Highly accurate measured values, precise control input for the headbox pump
Cost effective
No flushing pipes needed
User friendly
High protection class IP 68 for easy cleaning


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Industry brochure

Level and pressure instrumentation for the paper industry

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