140
15. STANDARD SPECIFICATIONS
Water-Cooled
■
Standard Specifications
Notes (1) Capacity is measured according to ISO 1217, Third Edition, Annex C.
(2) Earth leakage circuit breaker is out of scope of supply from Hitachi.
(3) DSP series air compressors are not designed, intended or approved for breathing air applications.
(4) Pressures are indicated as the gauge pressure.
(5) Install the air compressor indoors and avoid flammable and corrosive environment, moisture and dust.
(6) Hitachi may make improvements and/or changes in the appearance and/or specifications described in this publication at anytime
without notice.
Model
DSP-45WT6N DSP-55WT6N DSP-75WT6N DSP-55VWTN DSP-75VWTN
Air Compressor
Discharge Pressure
psi
(MPa)
100
(0.69)
125
(0.86)
100
(0.69)
125
(0.86)
100
(0.69)
125
(0.86)
100
(0.69)
125
(0.86)
100
(0.69)
125
(0.86)
Intake air Press./Temp.
℉
(
℃
)
Atmospheric pressure, 32 to 104 (0 to 40)
Atmospheric pressure, 32 to 104 (0 to 40)
Type of compressed gas
-
Air
Air
Capacity @ rated pressure 60Hz
cfm
(
㎥
/min)
279
(7.90)
236
(6.70)
332
(9.40)
279
(7.90)
466
(13.2)
399
(11.3)
326
(9.22)
283
(8.00)
441
(12.5)
403
(11.4)
Capacity @PQ Wide Mode
psi
(MPa)
-
87
(0.6)
125
(0.86)
87
(0.6)
125
(0.86)
cfm
(
㎥
/min)
-
336
(9.51)
291
(8.24)
459
(13.0)
415
(11.7)
Maximum shaft power
HP
(kW)
69.2
(51.6)
71.3
(53.2)
82.3
(61.4)
79.1
(59.0)
117.8
(87.9)
108.7
(81.1)
79.8
(59.5)
79.4
(59.2)
110.9
(82.7)
107.9
(80.5)
No. of Compression Stage
-
2
2
Driving Method
-
Gear Driven
Gear Driven
Motor Starting Method
-
Star-delta
Soft-start
Discharge Air Pipe Connection
inch
2 (flange)
2 (flange)
Discharge Air Temperature
℉
(
℃
) Cooling water tempe23 (13) or lower Cooling water tempe23 (13) or lower
Cooling water pipe connection
inch
1-1/4
1-1/4
Cooling water inlet temperature
℉
(
℃
)
95 (35) or lower
95 (35) or lower
Cooling water Quantity
gpm (L/min)
24 (90)
32 (120)
24 (90)
32 (120)
Oil Quantity
gal (L)
3.9 (15) (Not filled)
3.9 (15) (Not filled)
Capacity control system
-
On-off line,0% or 100% capacity, 2-step,Auto stop/restart Variable speed + Purge + Auto stop/restart
Oil Cooler
-
Water passes inside of Tubes
Water passes inside of Tubes
Aftercooler/Intercooler
-
Water cooled Horizontal Shell and Tube Type
: Water passes outside of Tubes
Water cooled Horizontal Shell and Tube Type
:Water passes outside of Tubes
Main Motor
Nominal Output
HP (kW)
75 (55)
100 (75)
75 (55)
100 (75)
Type
-
Totally Enclosed, Fan-Cooled
DCBL, Totally-Enclosed, Fan-Cooled
Frequency
Hz
60
60
Voltage
V
460
460
Maximum Current
A
92
127
98
131
Number of Pole
-
2
6
Insulation Class
-
F
F
Cooling F
an Motor
Rated Output
HP (kW)
0.07×2 (0.05×2)
0.07×2 (0.05×2)
Voltage
V
230
230
Maximum Current
A
0.4×2
0.4×2
Type
-
-
-
Number of Pole
-
4
4
Insulation Class
-
E
E
Approximate Weight
lbs (kg)
3,280 (1,490)
3,660 (1,660) 2,930 (1,330) 3,130 (1,420)
External Dimensions
(W×D×H)
inches
(mm)
78.8×51.2×70.9
(2,000×1,300×1,800)
78.8×51.2×70.9
(2,000×1,300×1,800)
