Graco Series A Heat Pump User Manual


 
308-739 15
Technical
Data
KEY:
Fluid
Outlet Pressure – Black Curves
Air Consumption – Gray Curves
A
7 bar (0.7 MPa, 100 psi) Air Pressure
B
4.9 bar (0.49 MPa, 70 psi) Air Pressure
C
2.8 bar (0.28 MPa, 40 psi) Air Pressure
T
o find fluid outlet pressure
(bar/MPa/psi) at a
specific fluid flow (lpm/gpm) and operating air
pressure (bar/MPa/psi):
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
(bar/MPa/psi):
1.
Locate desired flow along bottom of chart.
2.
Read vertical line up to intersection with
selected air consumption curve (gray). Follow
right to scale to read air consumption.
Performance Chart
0
250
500
750
1000
1250
1500
0.0 0.2 0.4 0.6 0.8 1.0
19 37 54 71 8860
scfm
m
#
/min
psi
bar,
MPa
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
A
B
C
A
B
C
70, 7
34, 3.4
17, 1.7
51, 5.1
87, 8.7
104, 10.4
10
20
25
0.70
0.56
0.28
15
0.42
5
0.14