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Performance Charts
Performance Charts
Calculate Fluid Outlet Pressure
To calculate fluid outlet pressure (psi/MPa/bar) at a spe-
cific fluid flow (gpm/lpm) and operating air pressure
(psi/MPa/bar), use the following instructions and pump
data charts.
1. Locate desired flow along bottom of chart.
2. Follow vertical line up to intersection with selected
fluid outlet pressure curve. Follow left to scale to
read fluid outlet pressure.
Merkur X48
48:1 Ratio, 75 cc/cycle
6000
(42, 420)
5000
(35, 350)
A
4000
(28, 280)
B
3000
(21, 210)
C
2000
(14, 140)
1000
(7, 70)
0
0
(0.75)
Key:
A
100 psi (0.69 MPa, 6.9 bar)
B
70 psi (0.48 MPa, 4.8 bar)
C
40 psi (0.28 MPa, 2.8 bar)
Fluid Flow
Air Flow
26
Cycles per Minute
10
20
30
0.2
0.6
0.4
(2.3)
(1.5)
Fluid Flow gpm (lpm) tested in No. 10 weight oil
Calculate Pump Air Flow/Consumption
To calculate pump air flow/consumption (scfm or
3
m
/min) at a specific fluid flow (gpm/lpm) and air pres-
sure (psi/MPa/bar), use the following instructions and
pump data charts.
1. Locate desired flow along bottom of chart.
2. Follow vertical line up to intersection with selected
air flow/consumption curve. Follow right to scale to
read air flow/consumption
40
50
60
A
B
C
1.2
0.8
1.0
(3.8)
(4.5)
(3.0)
60
(1.7)
50
(1.4)
40
(1.1)
30
(0.9)
20
(0.6)
10
(0.3)
332245G
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