We do have some areas with thread-o-lets and thermowells. We could install a temporary gauge. Renting a ultrasonic meter is an excellent idea. I will have to investigate that further. Thank you TD2K and sprayette for the suggestions.
StoshM
We need to determine the output of a centrifugal pump. The problem is that there are no pressure gauges to determine the dP across the pump, and no flowmeter downstream. The manufacturers pump curve has horsepower included. Is it "acceptable" to determine flow based on motor...