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Shanghai Bestcomp Compressor Co., Ltd

  • China,Shanghai ,Shanghai
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China 250 kW Oil-Lubricated Two-Stage Screw Air Compressor: Intelligent Control, Low
China 250 kW Oil-Lubricated Two-Stage Screw Air Compressor: Intelligent Control, Low

  1. China 250 kW Oil-Lubricated Two-Stage Screw Air Compressor: Intelligent Control, Low
  2. China 250 kW Oil-Lubricated Two-Stage Screw Air Compressor: Intelligent Control, Low
  3. China 250 kW Oil-Lubricated Two-Stage Screw Air Compressor: Intelligent Control, Low
  4. China 250 kW Oil-Lubricated Two-Stage Screw Air Compressor: Intelligent Control, Low

250 kW Oil-Lubricated Two-Stage Screw Air Compressor: Intelligent Control, Low

  1. MOQ: 1 unit
  2. Price: Negotiable
  3. Get Latest Price
Payment Terms TT/LC,Western Union,D/P,D/A
Supply Ability 2,000-3,000 per month
Delivery Time 5-15 days
Packaging Details wooden case
Air capacity(m3/min) 39.7~53.45
Working Pressure 0.7~1.3MPa
Cooling type Air cooling
Driven type Direct driven
Motor power 250KW
Brand Name AIRERA
Model Number LGCD-250II
Certification ISO、CE、TUV
Place of Origin made in China

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  1. Product Details
  2. Company Details

Product Specification

Payment Terms TT/LC,Western Union,D/P,D/A Supply Ability 2,000-3,000 per month
Delivery Time 5-15 days Packaging Details wooden case
Air capacity(m3/min) 39.7~53.45 Working Pressure 0.7~1.3MPa
Cooling type Air cooling Driven type Direct driven
Motor power 250KW Brand Name AIRERA
Model Number LGCD-250II Certification ISO、CE、TUV
Place of Origin made in China
High Light 250 kW oil-lubricated screw air compressorindustrial two-stage screw compressor with intelligent controllow noise low fuel consumption air compressor
AIRERA 250kW Industrial Two-Stage Oil-Lubricated Screw Air Compressor: Intelligent Control, Ultra-Low Noise & Fuel Consumption Heavy-Duty Power Solution

  Engineered for heavy-duty industrial applications with high air demand, the AIRERA 250 kW Two-Stage Oil-Lubricated Screw Air Compressor delivers exceptional efficiency. Its cutting-edge two-stage compression technology maximizes air output while significantly reducing oil and fuel consumption. Equipped with an advanced intelligent control system, it offers precise energy management and real-time IoT remote monitoring. Featuring a fully enclosed low-noise structure, it ensures a quieter workplace even at maximum capacity. AIRERA is your ultimate choice for reliable power and smart energy savings.

  • Cooling air flow

A separate generously sized cooling air fan provides several times the minimum required volume for the motors.The motor is sited in the main cooling air intake flow, which means:the coolest air crosses the motor first, increased service life.The ambient cooling air also cools the switch cabinet and the electrical components , which ensures:low component temperature and extended service life.


  • Air end

Higher efficiency than single stage(>15-30%),bigger air flow,low noisy,power saving,reduce exhaust temperature and improve the volumetric efficiency of the compressor.It can make the gas force smaller and more uniform.


  • Fan motor

Motor IP class : IP44;Motor without self cooled function;Motor without service factor;Low cooling air flow;Lower cooling air pressure.



Technical Specifications -LGCD-250II Diesel Portable Compressor
LGCD-250II Diesel Portable Compressor Parameters
ITEM UNIT MODEL LGCD-250II
Air capacity m³/min 39.7`53.45
Working pressure MPa 0.7~1.3
Compressor type
Oil inject dual stage screw compressor
Cooling type

Air cooling

Driven type
Direct driven
Inlet status Temperature   ≤45
Inlet status Pressure  MPa Atmospheric pressure
Inlet status Relative humidity
≤90%
Noise Level dB(A) ≤79
Residual oil content   ppm ≤2
Drive rotor speed rpm 1490
Compressed air outlet temperature Ambient temperature10
Cooling air flow m3/hr 19200
Control mode
Intelligent controller
Safety valve set pressure MPa 0.77-1.43
Lubricating oil volume L 110
Lubricating oil brand
ROTORCOMP
Compressed air outlet connection
DN80
Dimension L mm 3150
Dimension W mm 1800
Dimension H mm 2100
Net Weight kg 3600
Motor Model
Y2355L1-4
Motor Speed rpm 1490
Motor Rated Power KW 250
Motor Service factor
1.2
Motor Protection type
IP55
Motor Efficiency
IE3
Motor Startup mode
ʏ-Δ starting
Motor Voltage V 380(Special on request)
Motor Frequency Hz 50(Special on request)
Motor Rated current A 445
Motor Weight of motor kg 1610

 CALT LGCD-250II Diesel Portable Compressor: Frequently Asked Questions (FAQ)
Will the ultra-high power of 250 kW cause a severe impact on our factory's power grid during startup?
Traditional fixed-speed high-power air compressors can generate a transient current 4 to 7 times the rated current during a direct startup, which easily leads to severe grid voltage drops or even tripping. However, the AIRERA 250 kW model comes standard with an intelligent VFD soft-start system.When the equipment starts, the current rises smoothly and gradually from zero, and the maximum startup current is strictly limited within the rated current. This not only achieves "zero impact" on the factory's power grid, protecting other precision processing machinery in the workshop, but also significantly reduces the impact wear on the compressor's own mechanical components during the startup instant.
As an "Industrial Grade" heavy-duty equipment, how does it perform in extremely harsh environments such as high dust or extreme high temperatures?
All-weather heavy-duty 250 kW units are often installed in factories with harsh environments, such as foundries, cement plants, and chemical facilities. To counter high-dust environments, we have equipped it with a heavy-duty multi-stage air pre-filtration system that efficiently intercepts large dust particles before they reach the intake valve, perfectly protecting the internal screw rotors.To tackle summer heat waves in southern or tropical regions, this model features a significantly enlarged radiator heat-exchange surface area and optimized internal airflow ducts. Paired with a high-temperature-resistant motor boasting an IP55 protection rating, it ensures the equipment can run continuously and stably at full load 24/7, even in extreme ambient temperatures of 45°C to 50°C, completely avoiding frequent tripping and production downtime.
The air delivery of a 250 kW compressor is massive. How does its oil-gas separation system achieve "low fuel consumption" without affecting discharge pressure?

Under a massive air displacement, if the oil-gas separator is poorly designed, it will create immense internal resistance (pressure drop) in an attempt to intercept oil mist, resulting in a surge in energy consumption. AIRERA utilizes a multi-stage pleated heavy-duty oil separator element with low-pressure-drop technology.The compressed gas first undergoes physical cyclone separation and gravity settling to intercept 99% of the lubricating oil. Finally, only a tiny amount of oil mist is filtered out through a customized low-resistance, high-efficiency oil separator element. This design not only keeps the residual oil content of the compressed air below 2 ppm but also minimizes the internal pressure loss during the separation process, ensuring that the terminal air tools receive powerful and pure pressure without wasting a single watt of electricity.

Company Details

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,

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 and 

Graphite Plugged Bushings

 from Quality China Factory
  • Business Type:

    Manufacturer,Importer,Exporter,Seller

  • Year Established:

    1981

  • Total Annual:

    13200000-15000000

  • Employee Number:

    115~1040

  • Ecer Certification:

    Verified Supplier

Since 1981, Airera has been dedicated to the development & production of compressors(not AC compressors) for over 4 decades, it has overseas R&D centers and provincial enterprise technology centers, 106 R&D technicians, 12 third-generation Rotorcomp patented lines, and cooperates with Ge... Since 1981, Airera has been dedicated to the development & production of compressors(not AC compressors) for over 4 decades, it has overseas R&D centers and provincial enterprise technology centers, 106 R&D technicians, 12 third-generation Rotorcomp patented lines, and cooperates with Ge...

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Get in touch with us

  • Reach Us
  • Shanghai Bestcomp Compressor Co., Ltd
  • NO:1-2F,No.365,366,377,East Gubei Rd,baoshan Dist, Shanghai,CN
  • https://www.airscrewcompressors.com/

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