Graco 234124 Instructions-Parts List Manual page 33

Aluminum and stainless steel air-operated diaphragm pumps
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Fluid Pressure Curves
A at 120 psi (0.7 MPa, 7 bar) air pressure
B at 100 psi (0.7 MPa, 7 bar) air pressure
C at 70 psi (0.48 MPa, 4.8 bar) air pressure
D at 40 psi (0.28 MPa, 2.8 bar) 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 fluid outlet pressure curve.
3. Follow left to scale to read fluid outlet
pressure.
Air Consumption Curves
A at 120 psi (0.7 MPa, 7 bar) air pressure
B at 100 psi (0.7 MPa, 7 bar) air pressure
C at 70 psi (0.48 MPa, 4.8 bar) air pressure
D at 40 psi (0.28 MPa, 2.8 bar) air pressure
To find Pump Air Consumption (scfm or
m#/min) at a specific fluid flow (gpm/lpm) and
air pressure (psi/MPa/bar):
1. Locate fluid flow rate along bottom of chart.
2. Read vertical line up to intersection with
selected air consumption curve.
3. Follow left to scale to read air consumption.
Performance Chart
Test Conditions:
Pump tested in water with inlet submerged.
(0.84, 8.4)
(0.7, 7)
(0.55, 5.5)
(0.41, 4.1)
(0.28, 2.8)
(0.14, 1.4)
(1.68)
(1.40)
(1.12)
(0.84)
(0.56)
(0.28)
120
A
100
B
80
C
60
40
D
20
0
0
5
10
15
(19)
(38)
(57)
FLUID FLOW--gpm (lpm)
60
50
40
30
20
10
0
0
5
10
15
(19)
(38)
(57)
FLUID FLOW--gpm (lpm)
20
25
30
35
(76)
(95)
(114)
(133)
A
B
C
D
20
25
30
35
(76)
(95)
(114)
(133)
308479
40
(152)
40
(152)
33

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