Page 66 - 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 DETECTOR ASSEMBLY
RPDALF 4An
RPDA2LF 4An

7.5 7.5 7.5
FT/S FT/S FT/S
(2-1/2") (3") (4")
25 3"
PRESSURE LOSS (PSI) 15 2-1/2" 4"
20

10
5
50
00
FLOWRATE (GPM) 100 150 200 250 300 350 400 450 500 550 600 650 700 750 800

7.5 7.5
FT/S FT/S
RP4A 20 6" 8"
(8")
(6")
15
RPDA 4A PRESSURE LOSS (PSI) 10
5
0 0
200
RPDA2 4A FLOWRATE (GPM) 400 600 800 1000 1200 1400 1600 1800 2000 2200 2400

7.5 7.5
FT/S FT/S
(10") (12")
20 12"
PRESSURE LOSS (PSI) 10 10"
15

5
0
400
00
FLOWRATE (GPM) 800 1200 1400 1800 2200 2600 3000 3400 3800 4200 4600

Meter Rated Flow
www.apollovalves.com
66
Customer Service (704) 841-6000