Technical reference
A.10 Flow calculation
HydroRanger 200 HMI
310 Operating Instructions, 06/2018, A5E36281317-AC
● two breakpoints very near the minimum head
● one breakpoint at the tangent points of each arc
● one breakpoint at each arc apex
● two breakpoints very near the maximum head
For combination curves, enter at least two breakpoints immediately before and after any
sharp angle (as well as one breakpoint exactly at the angle) on the curve. For more
information, refer to Typical flow characterization (Page 151).
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