Technical Data - Graco Dura-Flo A Series Instructions-Parts List Manual

Be sure that all fluids and solvents used are chemically compatible with the
Wetted Parts listed below. Always read the manufacturer's literature before us-
ing fluid or solvent in this pump.
Ratio . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Maximum fluid working pressure
Maximum air input pressure
Pump cycles per 3.8 liters (1 gal.)
Fluid flow at 60 cycles/min
Air motor piston effective area
Stroke length
Displacement pump effective area
Maximum pump operating temperature
* Noise level at 100 psi, 25 cycles/min
* Sound power level at 100 psi, 25 cycles/min
Air inlet size
Fluid inlet size
Fluid outlet size
Weight . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Wetted parts
* Tested in accordance with ISO 3744.
Teflon is a registered trademark of the DuPont Co.
KEY: Fluid Outlet Pressure – Black Curves
Air Consumption – Gray Curves
NOTE: Recommended pump speed for continuous operation
(to shaded area): 60 cpm
To find Fluid Outlet Pressure (bar/psi) at a specific fluid flow (lpm/gpm)
and operating air pressure (bar/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.

Technical Data

(Model 237–516 Bulldog Pump)
WARNING
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. . . . . . . . 316, 440 and 17–4 PH Grades of Stainless Steel; Tungsten Carbide;
cycles/min
psi
12.5 25
bar
175
140
A
105
B
70
C
35
gpm
liters/min 3.8 7.6
FLUID FLOW (NO. 10 WEIGHT OIL)
17.4 liters/min (4.6 gpm)
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approx. 109 kg (240 lb)
Teflon ; Glass-Filled Teflon ; Leather
A 7 bar (100 psi) Air Pressure
B 4.9 bar (70 psi) Air Pressure
C 2.8 bar (40 psi) Air Pressure
37.5 50 62.5 75 scfm
60
m /min
250
7.00
200
5.60
150
4.20
100
A
2.80
B
50
1.40
C
11.4 15.2 19.0 22.8
To find Pump Air Consumption (m /min or scfm) at a specific fluid flow
(lpm/gpm) and air pressure (bar/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.
21:1
145 bar (2100 psi)
7 bar (100 psi)
12.5
248 cm (38 in. )
120 mm (4.75 in.)
12 cm (1.86 in. )
82 C (180 F)
94 dBa
109 dBa
3/4 npsm(f)
2" npt(f)
1" npt(f)