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VSD Screw Compressor
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| Place of Origin | Germany |
| Brand Name | Shanghai Rotorcomp |
| Certification | ISO.TUV,CE,GS |
| Model Number | VSD Screw Compressor |
Waterproof VSD Screw Compressor Intelligent Touchable PLC Control System
The variable frequency compressor is a competitive product among the high-grade machines, the quality of air end of servo variable frequency compressor is excellent. The advanced molded lines ensure the minimum specific power.
It is designed in the FEM strength analysis, to ensure the stability and reliability of each part, and to realize long term operation with no faults, low noise and long life.
1. World-leading "Made in Germany" Rotorcomp screw air end
2,25-30% energy saving than normal VSD compressor
3. wider 15-60hz adjustable-speed drive system
4. Intelligent touchable PLC control system
5. Double higher efficient VSD energy-saving motors in IE3 CE&MEPS
6. Unique driving guard system
7. ISO, TUV, GA, CE,SGS certificates
>Smooth starts and stops within seconds
>Continuous volume flow regulation from 25-100%
>Adjustable-speed drive from 15-60hz
>minimization of wear and maintenance costs
>No power-peaks during start-up
> nearly no idling
The costs of power consumption account for 70% or more of all costs during the operation. The electric charges of running air compressor account for more than 40% of all the electric charges in the factory.
The requirement of compressed air fluctuates violently in different time every day, different weeks, or different months every year. The range of fluctuation is 40% to 80%, Rotorcomp adjustable-speed drive screw compressor can meet the user’s requirement exactly. When the user needs less air delivery, Variable frequency inverter can reduce the capacity and reduce the power consumption at the same.
75KW VSD air cooling compressor parameters
| ITEM | UNIT | MODEL | ||||
| LGFD-75 VP | ||||||
| Free air delivery | m3/min | 3.25-13.00 | 2.90-11.50 | 2.45-9.80 | 2.20-8.80 | |
| Max. working pressure | MPa | 0.8 | 1.0 | 1.3 | 1.5 | |
| Compressor type | Oil inject screw compressor | |||||
| Cooling type | Air cooling | |||||
| Driven type | Belt driven | |||||
| Inlet status | Temperature | ℃ | ≤45 | |||
| Pressure | MPa | Atmospheric pressure | ||||
| Relative humidity | ≤90% | |||||
| Noise Level | dB(A) | ≤76 | ||||
| Residual oil content | ppm | ≤2 | ||||
| Drive rotor speed | rpm | 1280-5100 | 1125-4500 | 1000-3950 | 900-3600 | |
| Compressed air outlet temperature | ℃ | Ambient temperature＋10 | ||||
| Cooling air flow | m3/hr | 11200 | ||||
| Control mode | Intelligent controller | |||||
| Safety valve set pressure | MPa | 0.88 | 1.10 | 1.43 | 1.60 | |
| Lubricating oil volume | L | 50 | ||||
| Lubricating oil brand | ROTORCOMP | |||||
| Compressed air outlet connection | G2 | |||||
| Dimension | L | mm | 1750 | |||
| W | mm | 1200 | ||||
| H | mm | 1500 | ||||
| Net Weight | kg | 1440 | ||||
| Motor | Model | Y2250M2-2 VP | ||||
| Speed | rpm | 890-3560 | ||||
| Rated Power | KW | 75 | ||||
| Service factor | 1.2 | |||||
| Protection type | IP55 | |||||
| Insulation class | F | |||||
| Startup mode | Frequency conversion starting | |||||
| Voltage | V | 380(Special on request) | ||||
| Frequency | Hz | 15-60 | ||||
| Rated current | A | 139 | ||||
| Weight of motor | kg | 515 | ||||
| Note: |
| 2. According to user requirements and needs, to join way: air/water cooling, oil content, weight, appearance size according to the need to design, to the final order and the technical agreement shall prevail; |
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3. Frequency Inverters (ABB&SIEMENS customized). 4. 1 year warranty, 5 years warranty for air end |
efficient oil and gas separation
Extra large volume of oil and gas bucket to make the whole system of internal pressure ratio optimization, stable gas source. Oil and gas separation effect is excellent, by cyclone separation, gravity separation, oil fine separation of three stages of oil treatment, the finished oil content of compressed air is controlled in a very desirable
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