WILDEN PUMP & ENGINEERING, LLC
14
PX15 HS Performance
SET
TING 4 PERFORMANCE CUR
VE
EMS CUR
VE
P E R F O R M A N C E
P
X
15 S
A
N
IF
LO F
U
LL
-ST
R
O
K
E P
T
FE
-F
IT
T
E
D
Flow rates indicated on chart were determined by pumping water with a vertically-mounted, center
-ported ball check
configuration. For optimum life and performance, pumps should be specified so that daily operation parameters fall in the center of the pump's performance curve.
TECHNIC
AL D
A
TA
Height
............................
1,204 mm (47.4”)
Width
..............................
602 mm (23.7”)
Depth
..............................
363 mm (14.3”)
Ship W
eight
.........................
983 kg (216 lb)
Air Inlet
..............................
19 mm (3/4”)
Inlet
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
76 mm (3”)
Outlet
..................................
76 mm (3”)
Suction Lift
........................
4.7 m Dry (15.3’)
8.6 m W
et (28.4’)
Disp. per Stroke
.....................
2.5 L (0.66 gal)
1
Max. Flow Rate
..................
797 lpm (210 gpm)
Max. Size Solids
Mushroom V
alve
...................
9.5 mm (3/8”)
Ball V
alve
.........................
19.1 mm (3/4”)
Flap V
alve
(compressible solids)
....
60.3 mm (2-3/8”)
Surface Finish
.................
Ra 0.08 mm (32 m-in)
1
Displacement per stroke was calculated at 4.8 bar (70 psig) air inlet pressure against a 2.1 bar (30 psig) head pressure.
The Efficiency Management System (EMS)
can be used to optimize the performance of your Wilden pump for specific applications.
The pump is delivered with the EMS adjusted to setting 4, which allows maximum flow
.
The
EMS
curve
allows
the
pump
user to
deter
-
mine flow and air consumption at each EMS setting. For any EMS setting and discharge pressure, the X factor is used as a multiplier with the original values from the setting 4 per
-
formance curve to calculate the actual flow and air consumption values for that specific EMS setting.
NOTE:
Y
ou can
interpolate be
-
tween the setting curves for operation at in
-
termediate EMS settings.
EXAMPLE
A PX15 Saniflo HS, full-stroke PTFE-fitted pump operating at EMS setting 4, achieved a flow rate of 379 lpm (100 gpm) using 88 Nm
3
/h
(52 scfm) of air when run at 2.8 bar (40 psig) air inlet pressure and 1.4 bar (20 psig) discharge pressure (see dot on performance curve).
The end user did not require that much flow and wanted to reduce air consumption at his facility
. He determined that EMS setting 2
would meet his needs. At 1.4 bar (20 psig) discharge pressure and EMS
setting
2,
the
flow
X
factor
is
0.62
and
the
air
X
factor
is
0.50
(see dots on EMS curve).
Multiplying the original setting 4 values by the X factors provides the setting 2 flow rate of 235 lpm (62 gpm) and an air consumption of 44 Nm
3
/h (26 scfm). The flow rate was reduced by 38% while
the air consumption was reduced by 50%, thus providing increased
efficiency
.
For a detailed example for how to set your EMS, see beginning of performance curve section.
CAUTION: Do not exceed 8.6 bar (125 psig) air supply pressure.
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