Technical data, Sound data – Hitachi 308640 User Manual
Page 26
26 308640
Technical Data
Maximum Working Fluid Pressure
4000 psi
. . . . . . . . .
(28 MPa, 280 bar)
Maximum Working Air Pressure
100 psi
. . . . . . . . . . . . .
(0.7 MPa, 7 bar)
Maximum Working Fluid Temperature . 120
_
F (49
_
C)
Weight (less filter)
1.33 lb (0.59 Kg)
. . . . . . . . . . . . . . . .
Fluid Inlet
1/4–18 npsm
. . . . . . . . . . . . . . . . . . . . . . . . . .
Air Inlet
Part No. 238402, 238851, 238883, 239001, and
241070 Guns:
1/4–18 npsm (R1/4–19) compound male thread
Part No. 238852 Gun:
1/4–18 npsm quick-disconnect fitting.
Wetted Parts
Stainless Steel, Carbide,
Ultra
. . . . . .
High Molecular Weight Polyethyl-
ene, CV75
r
, PTFE,
r
Delrin
r
Delrin
rr
is a registered trademark of the DuPont
Company.
CV75
r
is a registered trademark of the International Seal
Co., Inc.
Air Cap Pressure
vs
Gun Inlet Air Pressure
(for 239898 Air Cap only)
0
20
40
60
80
100
0
20
40
60
80
100
psi
MPa, bar
GUN INLET AIR PRESSURE
AIR CAP
PRESSURE
0.7, 7.0
0.56, 5.6
0.28, 2.8
0.42, 4.2
0.14, 1.4
0.56
0.42
0.28
0.14
0.7
5.6
4.2
2.8
1.4
7.0
psi
MPa
bar
NOTE: Air Cap Verification Kit 239897 is available.
See page 27.
Sound Data
Gun with GG4 spray tip and 239781 air cap
Fluid
Pressure
psi
(MPa, bar)
Air
Pressure
psi
(MPa, bar)
Sound
Pressure
{
dB(A)
Sound
Power
}
dB(A)
600
(4.1, 41)
30
(2.1, 0.21)
85.0
80.0
4000
(28, 280)
30
(2.1, 0.21)
87.0
83.5
4000
(28, 280)
100
(0.7, 7)
91.0
90.5
Gun with GG4 spray tip and 239898 air cap
Fluid
Pressure
psi
(MPa, bar)
Air
Pressure
psi
(MPa, bar)
Sound
Pressure
{
dB(A)
Sound
Power
}
dB(A)
600
(4.1, 41)
30
(2.1, 0.21)
85.5
82.0
4000
(28, 280)
30
(2.1, 0.21)
87.0
85.0
4000
(28, 280)
100
(0.7, 7)
91.5
91.5
Gun with 242 spray tip and 238701 air cap
Fluid
Pressure
psi
(MPa, bar)
Air
Pressure
psi
(MPa, bar)
Sound
Pressure
{
dB(A)
Sound
Power
}
dB(A)
600
(4.1, 41)
30
(2.1, 0.21)
78.7
85.8
4000
(28, 280)
30
(2.1, 0.21)
85.1
90.3
4000
(28, 280)
100
(0.7, 7)
88.4
94.4
{
Sound pressure was measured at 1 meter from the unit.
}
Sound power was tested in accordance with ISO 9614–2.