Do fire pumps typically come balanced from the factory for the desired flow and pressure?
I know they are supposed to, but (just like any other pump) is their balancing done similar to a regular pump to get the desired pressure so that the pump operates at its rated duty point? I am aware that many factors affect final pressure discharges (such as friction loss, etc.).
Have you ever seen pump manufacturers calibrate pumps to the desired flow/pressure in the field?
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