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How to size a sewage lift pump, if you have DFU values for intermittent flow systems? as per UPC for continuous flow2 DFU=1 GPM. what about intermittent flow systems?
DFU Measn Drainage Fixture Units.
You calculate your total no's of fixture units & then get the GPM assigned to that no from IPC OR ASPE Book or UPC Book.
to calculate the pump size you need GPM value.
