Process gas flow measurement with minimum dP and minimum straight run requirements

Dear All,

We are encountering a revamp case, a DeNOx unit is going to be placed in a running plant where the available area is very less. As per client he also doesn't want much pressure loss. (we are discussing pressure loss during flow measurement in mbar)

This is one of the critically required flow meter installed on 24" process gas line as this is responsible for critical calculations where accuracy is required for the algorithms to work.

Process parameters: 
Fluid: Process gas (clean gas)
Temperature: 395 deg C
Pressure: 10 barg
Flow: 90000 Nm3/h
Velocity: 22.73 m/s

What will be the best flow meter suited for this application?

Please suggest the best possible way to cater to this issue.

Best regards


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