Performance Data
Performance Data
Test Conditions: The pump was tested in water with
the inlet submerged. The air pressure was set at 100
psi (6.9 bar).
How to Use the Charts
1. Choose a flow rate and outlet pressure that falls
below the Power Limit Curve. Conditions outside
of the curve will decrease the life of the pump.
2. Set the VFD frequency corresponding to the
desired flow rate. Flow rates will increase with
outlet pressure lower than 10 psi (0.7 bar) and
with high inlet head pressure.
3. To prevent inlet cavitation erosion, the Net
Positive Suction Head Available (NPSHa) of your
system should be above the Net Positive Suction
Head Required (NPSHr) line shown on the chart.
High speed gear ratio pumps with gearmotor and compressor (04), (05), or (06)
KEY
A
Power Limit Curve
B
Net Positive Suction Head Required
The shaded area is recommended for continuous
duty.
2150T FDA Pump
Frequency — Hz (Pump Speed Cycles per Minute)
Outlet
Pressure
PSI
(bar, 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
20
(76)
40
(151)
60
(227)
80
(303)
100
(379)
120
(454)
140
(530)
20
(53)
30
(80)
40
(106)
50
(133)
60
(160)
70
(186)
80
(212)
90
(238)
10
(27)
0
5
(1.52)
10
(3.05)
15
(4.57)
20
(6.10)
25
(7.62)
30
(9.14)
35
(10.67)
A
B
NPSHr
feet WC
(meters
WC)
Fluid Flow — gpm (lpm)
24
3A5132F
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