Performance Charts
Performance
Performance
Performance Charts
Charts
Charts
Test
Test
Test Conditions:
Conditions:
Conditions: The
The
The pump
pump
pump was
was
was tested
tested
tested in
in
in water
water
water with
with
with
the
the
the inlet
inlet
inlet submerged.
submerged.
submerged.
How
How
How to
to
to Use
Use
Use the
the
the Charts
Charts
Charts
1.
1.
1.
Choose
Choose
Choose a
a
a flow
flow
flow rate
rate
rate and
and
and outlet
outlet
outlet pressure
pressure
pressure that
that
that falls
falls
falls
below
below
below the
the
the Power
Power
Power Limit
Limit
Limit Curve.
Curve.
Curve. Conditions
Conditions
Conditions outside
outside
outside
of
of
of the
the
the curve
curve
curve will
will
will decrease
decrease
decrease the
the
the life
life
life of
of
of the
the
the pump.
pump.
pump.
2.
2.
2.
Choose
Choose
Choose center
center
center section
section
section charge
charge
charge pressures
pressures
pressures below
below
below
50
50
50 psi
psi
psi (3.4
(3.4
(3.4 bar)
bar)
bar) for
for
for maximum
maximum
maximum life
life
life at
at
at continuous
continuous
continuous
duty
duty
duty (shaded
(shaded
(shaded area).
area).
area).
3.
3.
3.
Set
Set
Set the
the
the VFD
VFD
VFD frequency
frequency
frequency corresponding
corresponding
corresponding to
to
to the
the
the
desired
desired
desired flow
flow
flow rate.
rate.
rate. Flow
Flow
Flow rates
rates
rates will
will
will increase
increase
increase with
with
with
outlet
outlet
outlet pressure
pressure
pressure lower
lower
lower than
than
than 10
10
10 psi
psi
psi (0.7
(0.7
(0.7 bar)
bar)
bar) and
and
and
with
with
with high
high
high inlet
inlet
inlet head
head
head pressure.
pressure.
pressure.
4.
4.
4.
To
To
To prevent
prevent
prevent inlet
inlet
inlet cavitation
cavitation
cavitation erosion,
erosion,
erosion, the
the
the
Net
Net
Net
Positive
Positive
Positive Suction
Suction
Suction Head
Head
Head Available
Available
Available (NPSHa)
(NPSHa)
(NPSHa)
of
of
of your
your
your
system
system
system should
should
should be
be
be above
above
above the
the
the
Net
Net
Net Positive
Positive
Positive Suction
Suction
Suction
Head
Head
Head Required
Required
Required (NPSHr)
(NPSHr)
(NPSHr)
line
line
line shown
shown
shown on
on
on the
the
the chart.
chart.
chart.
High
High
High speed
speed
speed gear
gear
gear ratio
ratio
ratio pumps
pumps
pumps with
with
with gearmotor
gearmotor
gearmotor and
and
and compressor
compressor
compressor (04),
(04),
(04), (05),
(05),
(05), or
or
or (06)
(06)
(06)
KEY
KEY
KEY
A
A
A
Power Limit Curve
B
B
B
Net Positive Suction Head Required
The shaded area is recommended for continuous
duty.
Frequency
Frequency
Frequency —
—
— Hz
Hz
Hz
Outlet
Outlet
Outlet
Pressure
Pressure
Pressure
PSI
PSI
PSI
(bar,
(bar,
(bar, MPa)
MPa)
MPa)
0
10
(0.7, 0.07)
20
(1.4, 0.14)
30
(2.1, 0.21)
40
(2.8, 0.28)
50
(3.5, 0.35)
60
(4.1, 0.41)
70
(4.8, 0.48)
0
100
(379)
50
(189)
150
(568)
200
(757)
250
(946)
0
5 (1.4)
10 (2.8)
15 (4.2)
20 (5.7)
25 (7.1)
30 (8.5)
35 (9.9)
40 (1 1.3)
45 (12.7)
50 (14.2)
55 (15.6)
60 (17.0)
65 (18.4)
70 (19.8)
B
2
0
H
z
4
0
H
z
6
0
H
z
8
0
H
z
A
NPSHr
NPSHr
NPSHr
feet
feet
feet WC
WC
WC
(meters
(meters
(meters
WC)
WC)
WC)
Fluid
Fluid
Fluid Flow
Flow
Flow —
—
— gpm
gpm
gpm (lpm)
(lpm)
(lpm)
24
3A7036E
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