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Customer Service 1-704-841-600054
Flow Curves
Double Check ValvesFlow Curves:
Pressure loss versus flow data asdetermined by independent approvalagencies. (see Notes on page 66)
DC-4A (LBF)
1/2”DC-4S
4”
6”
8”
55www.apollovalves.com
DC-4An
Flow Curves
Double Check Valves
Flow Curves:
Pressure loss versus flow data asdetermined by independent approvalagencies. (see Notes on page 66)
4”
6”
8”
Customer Service 1-704-841-600056
Flow Curves
Double Check Detector Assemblies
Flow Curves:
Pressure loss versus flow data asdetermined by independent approvalagencies. (see Notes on page 66)
DC-4SG
2-1/2” 3” 4”
6” 8”
DC-4S (10”) 10”
57www.apollovalves.com
Flow Curves
Flow Curves:
Pressure loss versus flow data asdetermined by independent approvalagencies. (see Notes on page 66)
Double Check Detector Assemblies
DCDA-4A
4”
6”
8”
Customer Service 1-704-841-600058
Flow Curves
Double Check Detector AssembliesFlow Curves:
Pressure loss versus flow data asdetermined by independent approvalagencies. (see Notes on page 66)
DCDA-4An
4”
6”
8”
59www.apollovalves.com
Flow Curves
Double Check Detector Assemblies
Flow Curves:
Pressure loss versus flow data asdetermined by independent approvalagencies. (see Notes on page 66)
DCDA-4SG
DCDA-4S
2-1/2” 3” 4”
6” 8”
Customer Service 1-704-841-600060
Flow Curves
Reduced Pressure Principle
Flow Curves:
Pressure loss versus flow data asdetermined by independent approvalagencies. (see Notes on page 66)
RP-4A
1/2”
3/4”
1”
1-1/4” 1-1/2” 2”
RP-40
1/4”
1/2” 3/8”
3/4” 1”
1-1/4” 1-1/2”
2”
61www.apollovalves.com
Flow Curves
Reduced Pressure PrincipleFlow Curves:
Pressure loss versus flow data asdetermined by independent approvalagencies. (see Notes on page 66)
RP-40 (n and Z Flow)
Z Flow Pictured
3/4” 1”
1-1/4” 1-1/2”
2”
RP-40S
1/4” 3/8”
1/2”
3/4” 1”
Customer Service 1-704-841-600062
Flow Curves
Reduced Pressure Principle
Flow Curves:
Pressure loss versus flow data asdetermined by independent approvalagencies. (see Notes on page 66)
RP-4A (LBF)
4”
6”
8”
63www.apollovalves.com
Flow Curves
Reduced Pressure Principle
Flow Curves:
Pressure loss versus flow data asdetermined by independent approvalagencies. (see Notes on below)
4”
6”
8”
RP-4An
Customer Service 1-704-841-600064
Flow Curves
Reduced Pressure Principle
Flow Curves:
Pressure loss versus flow data asdetermined by independent approvalagencies. (see Notes on page 66)
RP-40
RP-40 (6”-10”)
2-1/2”
3”
4”
6” 8”
10”
65www.apollovalves.com
Reduced Pressure Detector AssemblyFlow Curves:
Pressure loss versus flow data asdetermined by independent approvalagencies. (see Notes on below)
4”
6”
8”
RPDA-4A
Flow Curves
Customer Service 1-704-841-600066
Flow Curves
Reduced Pressure Detector Assembly
Flow Curves:
Pressure loss versus flow data asdetermined by independent approvalagencies. (see Notes on page 66)
RPDA-4An
4”
6”
8”
67www.apollovalves.com
Reduced Pressure Detector AssemblyFlow Curves:
Pressure loss versus flow data asdetermined by independent approvalagencies. (see Notes on below)
RPDA-40
RPDA-40
Flow Curves
Customer Service 1-704-841-600068
Flow Curves
Atmospheric Type Vacuum Breakers
Flow Curves:
Pressure loss versus flow data asdetermined by independent approvalagencies. (see Notes on page 66)
AVB1/AVB2
PVB-4A
69www.apollovalves.com
Atmospheric Type Vacuum BreakersFlow Curves:
Pressure loss versus flow data asdetermined by independent approvalagencies. (see Notes on below)
PVB-4V
SVB-4W
Spill Resistant Vacuum Breakers
Flow Curves
Customer Service 1-704-841-600070
Flow Curves
Dual Check w/ Atmospheric Port
Flow Curves:
Pressure loss versus flow data asdetermined by independent approvalagencies. (see Notes on page 66)
DCAP
Dual Check
DUC-4FP
Carbonated Beverage
CBBP
71www.apollovalves.com
Hose Connection Dual CheckFlow Curves:
Pressure loss versus flow data asdetermined by independent approvalagencies. (see Notes on below)
HBDUC
Lab Faucet Dual Check
LFDUC
Notes:1. Flow curves directly reflect data collected by an ASSE approved laboratory.2. Flow curves shown were recorded with butterfly shut-off valves. Flow curves with gate valves are
slightly lower. Contact factory for more information.3. All data points are based on ASSE increasing flow data, from zero GPM to rated flow (opening
curve)4. For high flow rates/pressure loss information - contact factory.
Flow Curves
Customer Service 1-704-841-600072
Relief Valve Discharge Rates
RP40 1/4”-1”
RP40 1-1/4”-10”
RP4A 1/2”-2”
RP4A 2-1/2”-12”
1 1/4”-1 1/2”
2”
1/2”-1”
10”-12”
8”
2 1/2”-6”
