Low
Low
Low speed
speed
speed gear
gear
gear ratio
ratio
ratio pumps
pumps
pumps with
with
with gearmotor
gearmotor
gearmotor and
and
and compressor
compressor
compressor (24),
(24),
(24), (25),
(25),
(25), or
or
or (26)
(26)
(26)
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 (Pump
(Pump
(Pump Speed
Speed
Speed Cycles
Cycles
Cycles per
per
per Minute)
Minute)
Minute)
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)
80
(5.5, 0.55)
90
(6.2, 0.62)
100
(6.9, 0.69)
0
5
(1.52)
10
(3.05)
15
(4.57)
20
(6.10)
25
(7.62)
30
(9.14)
35
(10.67)
0
10
(38)
20
(76)
30
(114)
40
(151)
50
(189)
60
(227)
20
(22)
30
(33)
40
(45)
50
(56)
60
(67)
70
(78)
80
(89)
90
(100)
A
B
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)
3A4068H
27