Graco Inc. 308741N Paint Sprayer User Manual


 
6 308741
Air Flow and Atomizing Pressure
NOTE: All tests were completed with the 0.055 in. (1.397 mm) nozzle, large pattern air cap, and the pattern adjust-
ment valve fully open.
Air Flow
0
5
10
15
20
25
30
35
10 20 30 40 50 60 70
AIR FLOW (scfm)
GUN INLET PRESSURE (psi)
Atomizing Air Pressure
(inlet pressure versus atomizing pressure)
0
2
4
6
8
10
12
14
16
18
20
10 20 30 40 50 60 70
GUN INLET PRESSURE (psi)
NOMINAL ATOMIZING PRESSURE (psi)
Gun Inlet Pressure
psi (kPa, bar)
Nominal Atomizing Pressure
psi (kPa, bar)
10 (70, 0.7) 1 (7, 0.1)
20 (140, 1.4) 4 (28, 0.2)
30 (210, 2.1) 7 (48, 0.4)
40 (280, 2.8) 10 (70, 0.7)
50 (345, 3.4) 13 (91, 0.9)
60 (410, 4.1) 16 (111, 1.1)
70 (480, 4.8) 19 (132, 1.3)