I have a variable speed constant pressure system with check valves, transducer, and pressure tank after the discharge of the pumps. My problem demand for water has ceased and the pumps turn off my pressure immediately falls 2 PSI which causes the system to come back on again. This results in...
In regards to thread407-167783.
I too have not seen anything in writing about variable speed and the minimum flow requirement for pumps; however, the "standard" practice I have seen in the field is to take the same percentage of the new BEP at the reduced speed.
For example if the pump...
