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| Place of Origin | Germany |
| Brand Name | Shanghai Rotorcomp |
| Certification | ISO.TUV,CE,GS |
| Model Number | LGFD screw compressor |
Advantages of our new EVO-technology
New ROLLING PROFILE- ultimate efficiency with
reduced noise
Long life cycle due to increased bearing dimensions
and wear-free ROLLING PROFILE
Wide operating pressure range from 5 to 15 barg
High quality manufacturing and assembling
Made in Germany
Quality assurance ?bench test of every air end
before leaving our factory
Easy application selection with our new
ROTORCOMP SIZING AIR software
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
Ultimate efficiency and reduced noise through
High volumetric output due to
• Reduced internal leakage
• Thermally optimized oil injection system
• Improved suction port efficiency giving reduced
internal losses
Low power consumption due to
• Optimized torque characteristics and reduced
internal friction
• Improved outlet port with lower pressure losses
Reduced noise and low vibration due to
• Smooth rolling of the rotors with new
ROLLING PROFILE®
• Optimized outlet port
All of our LGFD air screw compressors have special Drives and electrics system that is almost loss-free power transmission guarantees reliable, high-performance compressor operation. The regular maintenance requirement is reduced to lubrication of the motor.
The working process of the twin-screw compressor: the motor drives the main rotor through the coupling, the speed increasing gear or the belt. Since the two rotors mesh with each other, the main rotor directly drives the auxiliary rotor to rotate together.
Under the relative negative pressure, the air is sucked in. Under the action of the tooth peak and the tooth groove, the gas is transported and compressed, and when the rotor meshing surface is turned into communication with the exhaust port of the casing, the compressed gas begins to be discharged.
37KW air cooling compressor parameters
| ITEM | UNIT | MODEL | ||||
| LGFD-37 | ||||||
| Free air delivery | m3/min | 6.40 | 5.80 | 4.80 | 4.30 | |
| 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 | ℃ | ≤55 | |||
| Pressure | MPa | Atmospheric pressure | ||||
| Relative humidity | ≤90% | |||||
| Noise Level | dB(A) | ≤72 | ||||
| Residual oil content | ppm | ≤1 | ||||
| Drive rotor speed | rpm | 4550 | 4050 | 3550 | 3250 | |
| Compressed air outlet temperature | ℃ | Ambient temperature＋10 | ||||
| Cooling air flow | m3/hr | 9200 | ||||
| Control mode | Intelligent controller | |||||
| Safety valve set pressure | MPa | 0.88 | 1.10 | 1.43 | 1.60 | |
| Lubricating oil volume | L | 30 | ||||
| Lubricating oil brand | ROTORCOMP | |||||
| Compressed air outlet connection | G1-1/4 | |||||
| Dimension | L | mm | 1500 | |||
| W | mm | 1000 | ||||
| H | mm | 1320 | ||||
| Net Weight | kg | 1180 | ||||
| Motor | Model | Y2200L1-2 | ||||
| Speed | rpm | 2950 | ||||
| Rated Power | KW | 37 | ||||
| Service factor | 1.2 | |||||
| Protection type | IP55 | |||||
| Insulation class | F | |||||
| Startup mode | ʏ-Δ starting | |||||
| Voltage | V | 380(Special on request) | ||||
| Frequency | Hz | 50(Special on request) | ||||
| Rated current | A | 69.8 | ||||
| Weight of motor | kg | 250 | ||||
| Note: |
| 1. The above parameters and color are designed according to customer needs, the parameters are for reference only, the final parameters of the drawings shall prevail; |
| 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; |
3. Frequency converters (optional). |
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