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Hitachi FD2 1590 Manuel D’Utilisation

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Performance Chart - 1590
311879F
41
Performance Chart - 1590
Test Conditions: Pump tested in water with inlet submerged
Fluid Pressure Curves
A at 120 psi (0.7 MPa, 7 bar) operating air pressure
B at 100 psi (0.7 MPa, 7 bar) operating air pressure  
C at 70 psi (0.48 MPa, 4.8 bar) operating air pressure 
D at 40 psi (0.28 MPa, 2.8 bar) operating air pressure 
To find Fluid Outlet Pressure
(psi/MPa/bar) at a specific fluid flow (gpm/lpm) and 
operating air pressure (psi/MPa/bar):
1. Locate fluid flow rate along bottom of chart.
2. Follow vertical line up to intersection with selected 
operating air pressure curve.
3. Follow left to scale to read fluid outlet pressure.
Air Consumption Curves
A at 120 psi (0.7 MPa, 7 bar) operating air pressure
B at 100 psi (0.7 MPa, 7 bar) operating air pressure  
C at 70 psi (0.48 MPa, 4.8 bar) operating air pres-
sure  
D at 40 psi (0.28 MPa, 2.8 bar) operating air pres-
sure 
To find Pump Air Pressure
(scfm or m
3
/min) at a specific fluid flow (gpm/lpm) 
and operating air pressure (psi/MPa/bar):
1. Locate fluid flow rate along bottom of chart.
2. Read vertical line up to intersection with selected 
operating air pressure.
3. Follow left to scale to read air consumption.
20
40
60
80
100
120
Fluid Outlet 
Press
ur
e 
0
(0.84, 8.4)
(0.7, 7)
(0.55, 5.5)
(0.41, 4.1)
(0.28, 2.8)
(0.14, 1.4)
p
s
i (MP
a,
 bar)
20
40
60
80
100
120
0
(0.84, 8.4)
(0.7, 7)
(0.55, 5.5)
(0.41, 4.1)
(0.14, 1.4)
140
(0.96, 9.6)
(0.28, 2.8)
140
(0.96, 9.6)
20
Air
 C
o
n
s
um
pti
o
n
Fluid Flow
gpm (lpm)
scfm
 (
m
3
/m
in)
Fluid Flow
gpm (lpm)
(75)
40
(151)
60
(227)
80
(302)
100
(378)
120
(454)
20
(75)
40
(151)
60
(227)
80
(302)
100
(378)
120
(454)
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