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Flow Switch

The Considerations of Flow Switch

For liquid flow, measuring the flow rate is inferred by calculating "the liquid's velocity or the change in kinetic energy," according to Seil Enterprise Company. "Velocity depends on the pressure differential that is forcing the liquid through a pipe or conduit. Because the pipe's cross-sectional area is known and remains constant, the average velocity is an indication of the flow rate." The flow rate needs to be determined to set the flow switch to the pre-determined close function.