Page 70 - Apollo - 2016 Backflow Prevention Catalog
P. 70
BACKFLOW PREVENTION CATALOG
Flow Curves
Flow Curves: Pressure loss versus flow data as determined by
independent approval agencies. (See Notes on page 71)
DUAL CHECK
DUC 4FP
DUC-4FP
16
14 1-1/4"
PRESSURE LOSS (PSI) 10 8 6 4 1"
12
0 2
0 10 20 30 40 50 60 70 80
RATE OF FLOW (GPM)
CARBONATED BEVERAGE
CBBP
Meter Rated Flow
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