Page 69 - Apollo - 2016 Backflow Prevention Catalog

BACKFLOW PREVENTION CATALOG

Flow Curves

Flow Curves: Pressure loss versus flow data as determined by 10”
independent approval agencies. (See Notes on page 71)
PRESSURE LOSS (PSI) PRESSURE LOSS (PSI)
DUAL CHECK W/ ATMOSPHERIC PORT 10”
DCAP
DCAP LF

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

DUAL CHECK VALVE
DuC 4N
DuCLF 4N
14 14
PRESSURE LOSS (PSI) 10 3/8" & 1/2" 3/4" 1" 10
12
12
8
8
6
6
4
4
0 2 2 0
0 2 4 6 8 10 12 14 16 18 20 22 24 26 28 30

FLOW RATE (GPM)

DUAL CHECK VALVE
DUC 40
DUCLF 40

PRESSURE LOSS (PSI)

Meter Rated Flow RATE OF FLOW (GPM)

For additional information, submittal sheets and manuals, visit www.apollovalves.com
Customer Service (704) 841-6000 69