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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 | LGFD VSD screw compressor |
Large Oil Flooded Rotary Screw Compressor / Mobile Screw Compressor
permanent magnet motor
Permanent magnet motor using high-performance NdFeB permanent magnet, 120 ℃ without losing the magnetic, life over 15 years.
Hollow coil with special frequency corona enameled wire, insulation performance, longer service life.
Can achieve soft start, run, the motor current will not exceed the full load current, at the same time, greatly reducing the impact on the grid equipment, electricity equipment will not cause damage.
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
Shanghai rotorcomp Variable speed drive Screw Air Compressor adapting the amount of free air delivered to compressed air demand is the most economical operating method where demand for compressed air fluctuates considerably or where the stored volume is very small or where operating below peak load.
>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
250KW air cooling compressor parameters
| ITEM | UNIT | MODEL | ||||
| LGCD-46/8 | LGCD-40/10 | LGCD-35/13 | ||||
| Discharge capacity | m3/min | 46 | 40 | 35 | ||
| Working pressure | MPa | 0.8 | 1.0 | 1.3 | ||
| Cooling style | Air cooling | |||||
| Working style | one stage, continuous working | |||||
| Driven method | Direct driven | |||||
| Inlet status | Temperature | ℃ | ≤40 | |||
| Pressure | MPa | Atmospheric pressure | ||||
| Relative humidity | ≤100% | |||||
| Noise | dB(A) | ≤85 | ||||
| Oil content | ppm | ≤2 | ||||
| Drive rotor speed | rpm | 984-1495 | ||||
| Dust particle size | μm | 1μm | ||||
| Cooler outlet temperature | ℃ | Ambient temperature＋10 | ||||
| Cooling air flow | m3/min | 1080 | ||||
| Displacement control mode | Load/empty + stop for too long empty status | |||||
| Safety valve set pressure | MPa | 0.88 | 1.1 | 1.43 | ||
| Lubricating oil volume | L | 160 | ||||
| Lubricating oil brand | ROTORCOMP | |||||
| Air outlet connection size | DN100 | |||||
| Drain connection size | G1 | |||||
| Dimension | L | mm | 3800 | |||
| W | mm | 1950 | ||||
| H | mm | 1850 | ||||
| Net Weight | kg | 5700 | ||||
| Motor | Type | Y2355L-2 | ||||
| Rating | rpm | 1491 | ||||
| Power | KW | 250 | ||||
| Service coefficient | 1.2 | |||||
| Degree of protection | IP55 | |||||
| Insulation class | F(B) | |||||
| Startup mode | Reduced voltage | |||||
| Voltage | V | 380 | ||||
| Frequency | Hz | 50 | ||||
| Rated current | A | 475 | ||||
| Weight of motor | kg | 1990 | ||||
Advantages of our new EVO technology
1. New ROLLING PROFILE– ultimate efficiency with
reduced noise
2. Long life cycle due to increased bearing dimensions
and wear-free ROLLING PROFILE
3. Wide operating pressure range from 5 to 15 barg
Air end –
4. “Made in Germany”
5. Quality assurance – bench test of every air end
before leaving our factory
6. Easy application selection with our new
ROTORCOMP-SIZING AIR software
7. Highest flexibility for your package design
• Suitable for all types of drive driving motors
• Drive options: Belt drive, direct drive, internal
gear drive
• Base and face-flange mounting
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