- The environmentally friendly water lubrication compressor without using oil at all (ideal for ISO 14000).
- In addition to the direct-coupled driving, thanks to the water lubrication system in which the water performs lubrication, sealing and cooling, the efficiency is further enhanced to the highest in its class, thus saving the maintenance work.
- Low noise, less vibration, slower rotation, and low temperature.
- Optimum for plants and large-scale factories.
| Items | Unit | Details | |
| Power frequency | Hz |
50 (ZU905WS2) 60 (ZU906WS2) |
|
| Power supply voltage | V |
380 / 400 / 415 (ZU905WS2) 380 / 400 / 440 (ZU906WS2) |
|
| Free air delivery (0.7MPa) | m3/min |
16.0 (ZU905WS2) 15.0 (ZU906WS2) |
|
| Delivered air pressure | MPa | 0.7 | |
| Pressure control method | - | Saving energy A.U.C.S & auto. Start & stop selection | |
| Intake air pressure & temperature | - | Atmospheric pressure (2 to 40°C) | |
| Discharge air temp. | °C | Less than cooling water intake temp., + 15°C | |
| Main motor power | kW | 90 | |
| Motor type | - | Three-phase-squirrel-cage, 2P totally enclosed external fan (IE3 Motor) | |
| Starter | - | Automatic star-delta | |
| Drive system | - | Direct coupled motor | |
| Cooling system | - | Water cooled | |
| Fan motor power | kW |
0.15 (ZU905WS2) 0.22 (ZU906WS2) |
|
| Lubrication water amount |
 |
135 | |
| Cooling water amount |
/min |
250 | |
| Dryer | Air dew point at outlet | °C | - |
| Refrigerant | kW | - | |
| Discharge pipe diameter | - | 10k JIS 3B (80A) flange | |
| Dimension,L×W×H (body) | mm | - | |
| Total mass(dry state) | kg | [ 2095 ] | |
| Noise level [OP1.5m] | dB·A | 68 | |
| Dimension,L×W×H (body)[without dryer] | mm | 2490 × 1200 × 1800 | |
