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Maximum Fluid Working Pressure
Air Operating Range
Fluid Flow at 60 Cycles per Minute
Cycles Per Liter (gallon)
Maximum Recommended Pump
Speed
Wetted parts
Air Motor
40 psi (0.28 MPa, 2.8 bar)
Quiet King
77.9 dB(A)
Air Motor
40 psi (0.28 MPa, 2.8 bar)
Quiet King
85.2 dB(A)
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.
Fluid Outlet Pressure
psi
cycles per minute
MPa, bar
8
15
300
2.1, 21
A
250
1.8, 17.5
B
200
1.4, 14
150
1.0, 10
100
C
0.7, 7
50
0.35, 3.5
0
0
8
16
gpm
liters/minute
30
60
FLUID FLOW (TEST FLUID: NO. 10 WEIGHT OIL)
34
309136
Technical Data
3:1 Ratio King Pumps, Models 243749, and 243750
Data
2.1 MPa (21 bar) (300 psi)
0.28–0.7 MPa, 2.8 – 7 bar (40 – 100 psi)
237 liter/min (63 gpm)
0.24 (0.93)
60 cycles per minute
Models 243749 and 243750: Stainless Steel, PTFE, Ultra High Molecular
Weight Polyethylene
Sound Pressure Levels (dBa)
(measured at 1 meter from unit)
Input Air Pressures at 15 cycles per minute
Sound Power Levels (dBa)
(tested in accordance with ISO 9614–2)
Input Air Pressures at 15 cycles per minute
Performance Charts
A
0.6 MPa, 6.2 bar (90 psi) air pressure
B
0.49 MPa, 4.9 bar (70 psi) air pressure
C
0.28 MPa, 2.8 bar (40 psi) air pressure
23
30
38
46
53
24
32
40
48
56
91
121
151
181 212
70 psi (0.48 MPa, 4.8 bar)
79.2 dB(A)
70 psi (0.48 MPa, 4.8 bar)
86.6 dB(A)
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.
scfm
m#/min.
200
5.7
150
4.3
100
2.8
50
1.4
0
0
gpm
liters/minute
FLUID FLOW (TEST FLUID: NO. 10 WEIGHT OIL)
90 psi (0.6 MPa, 6.2 bar)
87.5 dB(A)
90 psi (0.6 MPa, 6.2 bar)
95.2 dB(A)
Air Consumption
cycles per minute
8
15
23
30
38
C
8
16
24
32
40
30
60
91
121
151
46
53
A
B
48
56
181 212
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