Hitachi Air Compressor
DSP NEXT II SERIES TWO-STAGE (22-240kW)
Hitachi Oil-free Screw Compressor (DSP) are implemented by third party (TÜV) based on ISO8573-1 standard. By the test result, oil contained in the discharge air of Hitachi DSP is proved and certified as the highest level of quality air “Class 0”. It caters to different industries such as food and beverage, pharmaceutical and semi-conductor industries. With the NEXT Series adding to the already impressive Oil-free product range, Hitachi continues to satisfy the needs of every customer.
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- High Performance Air-End
- Energy-Saving
- Constant Pressure Control (V type)
- Since Constant Pressure Control allows highly precise pressure control within range of +/- 0.01MPa, supply of compressed air at necessary pressure is possible with high efficiency.
- ECOMODE (Fixed Speed Series)
- Responding to the load ratio of compressor, unnecessary compression is avoided by automatically lowering the unload start-up pressure. Energy-Saving is achieved. Taking 75kW water-cooled, 0.7MPa SPEC, Fixed Speed model as an example, in case of 70% load ratio 11.3MWh is saved annually, and in case of 90% load ratio 28MWh is saved annually. (Calculation condition: air receiver tank of 2.26m3 is installed, 8,000h/year operation)
- Constant Pressure Control (V type)
- High Efficiency DCBL Driving System (37-75kW V-type)
- Direct connection of new developed high efficiency DCBL motor and air-end. Hitachi original Cascade vector control (patented) achieves high reliability.
- High Reliability
- Standard Up to 45 C (22-120kW), thanks to new internal structure which minimizes the internal temperature rise, continuous operation under ambient temperature up to 45 C is possible.
- Overhaul Cycle 6 years, by using the precise special bearings, overhaul interval is 6 years or 48,000 hours, whichever comes first.
- Large Air Inlet Filter, large cartridge type air inlet filter enables the high filtering efficiency and high reliability.
- Multi-function Touch Panel
- IT Communication Functions
- USB Flash Memory Possible for Data Logging
- Web Server Function via Bluetooth®
- Modbus Communication
