Location instructions, Preso fire pump system – Badger Meter Ellipse Model PFA User Manual
Page 7
LOCATION INSTRUCTIONS
Straight pipe requirements: Accuracy is affected by the piping configurations due to the disturbances of the flow profile . A
fully developed symmetrical flow profile is achieved with the minimum upstream and downstream recommended lengths .
FLO
W M
ETE
RS
DEB
ITM
ETE
RS
MED
IDO
R D
E F
LUJ
O
FLO
W M
ETE
RS
DEB
ITM
ETE
RS
MED
IDO
R D
E F
LUJ
O
FLO
W M
ETE
RS
DEB
ITM
ETE
RS
MED
IDO
R D
E F
LUJ
O
FLO
W M
ETE
RS
DEB
ITM
ETE
RS
MED
IDO
R D
E F
LUJ
O
FLO
W M
ETE
RS
DEB
ITM
ETE
RS
MED
IDO
R D
E F
LUJ
O
FLO
W M
ETE
RS
DEB
ITM
ETE
RS
MED
IDO
R D
E F
LUJ
O
FLO
W M
ETE
RS
DEB
ITM
ETE
RS
MED
IDO
R D
E F
LUJ
O
FLO
W M
ETE
RS
DEB
ITM
ETE
RS
MED
IDO
R D
E F
LUJ
O
FLO
W M
ETE
RS
DEB
ITM
ETE
RS
MED
IDO
R D
E F
LUJ
O
FLO
W M
ETE
RS
DEB
ITM
ETE
RS
MED
IDO
R D
E F
LUJ
O
F M
APPROVED
F M
APPROVED
PRESO FIRE PUMP SYSTEM
F M
APPROVED
PFA-XXX
X inch
250 SWP
X/XX
S/N AXXXXXXX
1000
1500
2000
2500 GPM
3000
3500
4000
7
3
Flow
Flow
Pipe Diameters From Valve
PRESO
PFA
Valve
Throttle Valve
Throttle Valve
System Bypass Valve
Supply
Discharge
Optional to
Pump Inlet
Air Vent
Fire Pump
PRESO
PRESO
THROTTLED VALVE OR REGULATOR
DISTANCES ARE EXPRESSED IN
NUMBER OF NOMINAL PIPE DIAMETERS
TWO ELBOWS IN DIFFERENT PLANES
TWO ELBOWS IN THE SAME PLANE
CHANGE IN PIPE SIZE
PRESO
PRESO
FLOW
FLOW
FLOW
FLOW
FLOW
FLOW
FLOW
FLOW
STRAIGHTENING VANE
STRAIGHTENING VANE
10
6
4
4
2
9
4
9
4
6
10
4
4
2
PRESO
FLOW
FLOW
PRESO
PRESO
STRAIGHTENING VANE
REGULATORY OR
PARTIALLY CLOSED
VALVE
STRAIGHTENING VANE
STRAIGHTENING VANE
PRESO
PRESO
4
27
6
2
5
4
11
24
4
5
5
2
10
4
11
3
PRESO
4
5
2
9
3
Figure 8: Location instructions
User Manual
Page 7
April 2014