For an old order TPO-0479 we delivered on year 2011, the original duty point was 133.33l/s @ 90m handled by ISO 200X150-500 with 200kW 4P 60Hz 480V motor.
Please advise the size of the impeller trimmed.
Then, please check if keeping the same size of motor 200kW, what’s the maximum flow can be for the head at 90m. Please note Non-overload motor size needed.