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Technical Data
To find Fluid Outlet Pressure (psi/MPa/bar) at a specific fluid flow
(lpm/gpm) and operating air pressure (psi/MPa/bar):
1. Locate desired flow along bottom of chart.
2. Follow vertical line up to intersection with selected fluid outlet
pressure curve (black). Follow left to scale to read fluid outlet
pressure.
To find Pump Air Consumption (m#/min or scfm) at a specific fluid
flow (lpm/gpm) and air pressure (psi/MPa/bar):
1. Locate desired flow along bottom of chart.
2. Read vertical line up to intersection with selected air consumption
curve (dashes). Follow left to scale to read air consumption.
0
1000
2000
3000
4000
0.0 0.2 0.4 0.6 0.8 1.0
12 24 36 48 60
psi
MPa, bar
cycles per minute
gpm
liters/minute
0.8 1.5 2.3 3.0 3.8
21, 207
14, 138
FLUID FLOW (TEST FLUID: NO. 10 WEIGHT OIL)
FLUID PRESSURE
C
A
B
A 120 psi (0.8 MPa, 8 bar) air pressure
B 100 psi (0.7 MPa, 7 bar) air pressure
C 70 psi (0.49 MPa, 4.9 bar) air pressure
D 40 psi (0.28 MPa, 2.8 bar) air pressure
7, 69
28, 274
D
30:1 Ratio President Pumps
0
10
20
30
40
0.0 0.2 0.4 0.6 0.8 1.0
12 24 36 48 60
scfm
m#/min
cycles per minute
gpm
liters/minute
0.8 1.5 2.3 3.0 3.8
1.12
0.84
0.56
0.28
FLUID FLOW (TEST FLUID: NO. 10 WEIGHT OIL)
AIR CONSUMPTION
A
C
B
D
gpm
liters/minute
To find Fluid Outlet Pressure (psi/MPa/bar) at a specific fluid flow
(lpm/gpm) and operating air pressure (psi/MPa/bar):
1. Locate desired flow along bottom of chart.
2. Follow vertical line up to intersection with selected fluid outlet
pressure curve (black). Follow left to scale to read fluid outlet
pressure.
To find Pump Air Consumption (m#/min or scfm) at a specific fluid
flow (lpm/gpm) and air pressure (psi/MPa/bar):
1. Locate desired flow along bottom of chart.
2. Read vertical line up to intersection with selected air consumption
curve (dashes). Follow left to scale to read air consumption.
15:1 Ratio Monark Pump
scfm
m#/min
AIR CONSUMPTION
0.70
0.56
0.28
0.42
0.14
0
250
500
750
1000
1250
1500
0.0 0.2 0.4 0.6 0.8 1.0
A 100 psi (0.7 MPa, 7 bar) air pressure
B 70 psi (0.49 MPa, 4.9 bar) air pressure
C 40 psi (0.28 MPa, 2.8 bar) air pressure
0
5
10
15
20
25
0.0 0.2 0.4 0.6 0.8 1.0
70, 7
34, 3.4
17, 1.7
51, 5.1
87, 8.7
104, 10.4
19 37 54 71 8860
cycles per minute
gpm
liters/minute
0.8 1.5 2.3 3.0 3.8
FLUID FLOW (TEST FLUID: NO. 10 WEIGHT OIL)
FLUID PRESSURE
psi
MPa, bar
19 37 54 71 8860
cycles per minute
0.8 1.5 2.3 3.0 3.8
FLUID FLOW (TEST FLUID: NO. 10 WEIGHT OIL)
A
C
B
A
C
B