• Mr.Kerry Robinson from Australia
    today I ran the compressor and I am very happy with the workmanship and the quality , it is connected to a nitrogen generator that requires around 0.8 MPA feed air from the 30 kw compressor we are commissioning it I have found that it loads and unloads from 25.5 kw - 30 kw this will be a huge saving on power consumption.
  • Pedro Antonio from USA
    We've been used Shanghai Rotorcomp compressors over 18 sets from 10hp to 160HP installed with Oxygen generator since 2008. Most of compressors still in good working conditions without much maintenance.
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Oil Free Portable VSD Screw Compressor / Reciprocating Air Compressor

Place of Origin Germany
Brand Name Shanghai Rotorcomp
Certification ISO.TUV,CE,GS
Model Number LGFD VSD screw compressor
Minimum Order Quantity Min.:1set
Price Negotiable
Packaging Details Exported Wooden Package
Delivery Time 12-15 working days
Payment Terms Western Union, T/T, L/C, D/P, D/A
Supply Ability 3,000 sets/per month
Product Details
Warranty 5 Years Air End Made In Germany
Advanced Design Design In Germany VSD Inverter Danfoss Danmark
Inverter Motor IP55, IE3 VSD Motor Rated Power 75Kw/100Hp
Starting Mode VSD/VFC Cooling Air Flow German Mann
Frequency Adjustment 15%-100% Control Mode PLC
Noise ≤76
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Product Description

75KW Variable Speed Drive screw air compressor in CE certificates 5 years warranty

 

 

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.

Advantages:

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

 

 

The benefits of rotorcomp VSD air screw compressor

>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

 

Reduce Energy Consumption

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.

 

Oil Free Portable VSD Screw Compressor / Reciprocating Air Compressor 0

 

 

 

 

 

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:
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 Inverters (ABB&SIEMENS customized).

4. 1 year warranty, 5 years warranty for air end

 

Oil Free Portable VSD Screw Compressor / Reciprocating Air Compressor 1

Oil Free Portable VSD Screw Compressor / Reciprocating Air Compressor 2

Oil Free Portable VSD Screw Compressor / Reciprocating Air Compressor 3

 

 

 

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Oil Free Portable VSD Screw Compressor / Reciprocating Air Compressor 4