Page 62 - Apollo - 2016 Backflow Prevention Catalog

BACKFLOW PREVENTION CATALOG

Flow Curves

Flow Curves: Pressure loss versus flow data as determined by
independent approval agencies. (See Notes on page 71)
REDUCED PRESSURE PRINCIPLE
RP 40S

10”
PRESSURE LOSS (PSI)

7.5
10” FT/S
(10")
FLOWRATE (GPM)
PRESSURE LOSS (PSI) PRESSURE LOSS (PSI)
10”

7.5
(10")
FLOWRATE (GPM) FT/S 7.5
FT/S
(10")
FLOWRATE (GPM)

Meter Rated Flow
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