Hitachi NEXT Series - Page 142

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 temperature +23 (13) or lower Cooling water temperature +23 (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 Fan 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)