Thanks to everyone for your answers. I believe I read too much into the 'provide the required flow rate' statement and assumed it meant an increase in flow. As the control valve closes, I expect to see flow diverted from the recirc loop to the actual demand loop.
Hi - I'm new to to pump selection and engineering (as well as the forum). I have heard and read the term "pump run back" and am looking for an explanation of the term. A specific instance of use is "When the recirculation valve closes the pump will initially run back on its curve to provide...
