China Good quality 22kw 20HP 30HP 50HP Variable Speed Permanent Magnet Synchronous Motor Rotary Screw Air Compressor air compressor portable

Product Description

LG-II series two-stage air compressor

Product Description

Main Machine:

  1. Adopt two-stage compression main engine, large rotor and low speed.
  2. The upper and lower integrated design concept combines the first-stage compression rotor and the second-stage compression rotor in 1 casing to achieve the highest compression transfer efficiency.

      3. The compression ratio of each stage is small, the leakage is smaller, and the volume utilization rate is high. The bearing is less stressed and has a long service life.

Intake system:
Vertical straight-through air intake structure minimizes pressure loss, special air inlet sealing material ensures long service life, no wearing parts, reliable performance and long service life.

Piping system:
The pipeline system adopts the American standard pipeline design. Due to the large inner diameter of the transport pipe and the small flow resistance, the hard pipe usually has a higher transport rate than the hose, and is stable, long service life, and maintenance-free for life.

Permanent magnet motor:
The variable frequency permanent magnet motor has the characteristics of high efficiency, high power factor, wide high efficiency interval, stable speed, zero slip, and energy saving. Therefore, the permanent magnet frequency conversion equipment under the two-stage CHINAMFG can be more energy saving.

Controller:

  1. Adopt advanced microcomputer control to achieve intelligent operation and humanized operation, and the operation status is clear at a glance.

2. Equipped with advanced intelligent control system, various parameters such as pressure and temperature are continuously monitored, controlled and displayed according to preset values.
3. It has the function of automatic fault alarm and protection, and stores historical operation records in time.

Product Feature
Energy saving analysis

  1. The compression ratio of each stage is much smaller than the compression ratio of the common main engine of the same power, and by oil injection cooling, the temperature of the secondary intake air is reduced, and the compression work is greatly reduced.
  2. The low pressure ratio greatly reduces the backflow leakage between the rotors, and greatly improves the volumetric efficiency and adiabatic efficiency, which is ultimately reflected in the increase in the compressed gas production.
  3. Two-stage compression is better than single-stage at the same power.

Specification

Mode L571A-11 L030A-11 L037A-11

Machine

Set

Exhaust volume (m³/min) 4.2 6.2 7.2
Exhaust pressure (MPa) 0.8 0.8 0.8
Compression level 2 2 2
Motor power(kw) 22 30 37
Motor speed(rpm) 1480 1480 1480
Energy efficiency rating Grade I Grade I Grade I
Start method soft start soft start soft start
Transmission mode direct connection direct connection direct connection
Connection size G1-1/2″ G1-1/2″ G1-1/2″
Cooling method air cooling air cooling air cooling
Length(mm) 1785 1785 1785
Width(mm) 1107 1107 1107
Height(mm) 1432 1432 1432
Machine weight(kg) 1200 1300 1350

 

Mode L045A-11 L055A-11 L075A-11

Machine

Set

Discharge volume(m3/min) 10.5 12.55 15.5
Discharge pressure (MPa) 0.8 0.8 0.8
Compression level 2 2 2
Motor power(kw) 45 55 75
Motor speed(rpm) 1480 1480 1480
Energy efficiency rating Grade I Grade I Grade I
Start method soft start soft start soft start
Transmission mode direct connection direct connection direct connection
Connection size G1-1/2″ G2″ G2″
Cooling method air cooling air cooling air cooling
Length(mm) 1785 2180 2180
Width(mm) 1107 1350 1350
Height(mm) 1432 1600 1600
Machine weight(kg) 1850 2000 2150

 

FAQ

Q1: What’s your delivery time?
A: 15 days to produce, within 3 days if in stock.
 
Q2: What’s methods of payments are accepted?
A: We agree T/T ,L/C , West Union ,Money Gram ,Paypal.
 
Q3: What about the shipments and package?
A: 40′ container for 2 sets, 20′ container for 1 set, 
Machine in nude packing, spare parts in standard export wooden box.
 
Q4: Have you got any certificate?
A:We have got ISO,CE certificate.
 
Q5: How to control the quality?
A: We will control the quality by ISO and CE requests.
 
Q6: Do you have after-sale service and warranty service ?
A: Yes, we have.We can supply instruction for operation and maintenance.If necessary, we can send our engineer to repair the machine in your company.
Warranty is 1 year for the machine.
 
Q7: Can I trust your company ?
 A: Our company has been certificated by Chinese government,and verified by SGS Inspection Company. 

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After-sales Service: Online
Warranty: 3000hours
Lubrication Style: Lubricated
Customization:
Available

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Currency: US$
Return&refunds: You can apply for a refund up to 30 days after receipt of the products.

air compressor

Can air compressors be used for gas compression and storage?

Yes, air compressors can be used for gas compression and storage. While air compressors are commonly used to compress and store air, they can also be utilized for compressing and storing other gases, depending on the specific application requirements. Here’s how air compressors can be used for gas compression and storage:

Gas Compression:

Air compressors can compress various gases by utilizing the same principles applied to compressing air. The compressor takes in the gas at a certain pressure, and through the compression process, it increases the pressure and reduces the volume of the gas. This compressed gas can then be used for different purposes, such as in industrial processes, gas pipelines, or storage systems.

Gas Storage:

Air compressors can also be used for gas storage by compressing the gas into storage vessels or tanks. The compressed gas is stored at high pressure within these vessels until it is needed for use. Gas storage is commonly employed in industries where a continuous and reliable supply of gas is required, such as in natural gas storage facilities or for storing compressed natural gas (CNG) used as a fuel for vehicles.

Gas Types:

While air compressors are primarily designed for compressing air, they can be adapted to handle various gases, including but not limited to:

  • Nitrogen
  • Oxygen
  • Hydrogen
  • Carbon dioxide
  • Natural gas
  • Refrigerant gases

It’s important to note that when using air compressors for gas compression and storage, certain considerations must be taken into account. These include compatibility of the compressor materials with the specific gas being compressed, ensuring proper sealing to prevent gas leaks, and adhering to safety regulations and guidelines for handling and storing compressed gases.

By leveraging the capabilities of air compressors, it is possible to compress and store gases efficiently, providing a reliable supply for various industrial, commercial, and residential applications.

air compressor

How does the horsepower of an air compressor affect its capabilities?

The horsepower of an air compressor is a crucial factor that directly impacts its capabilities and performance. Here’s a closer look at how the horsepower rating affects an air compressor:

Power Output:

The horsepower rating of an air compressor indicates its power output or the rate at which it can perform work. Generally, a higher horsepower rating translates to a greater power output, allowing the air compressor to deliver more compressed air per unit of time. This increased power output enables the compressor to operate pneumatic tools and equipment that require higher air pressure or greater airflow.

Air Pressure:

The horsepower of an air compressor is directly related to the air pressure it can generate. Air compressors with higher horsepower ratings have the capacity to produce higher air pressures. This is particularly important when operating tools or machinery that require specific air pressure levels to function optimally. For example, heavy-duty pneumatic tools like jackhammers or impact wrenches may require higher air pressure to deliver the necessary force.

Air Volume:

In addition to air pressure, the horsepower of an air compressor also affects the air volume or airflow it can provide. Higher horsepower compressors can deliver greater volumes of compressed air, measured in cubic feet per minute (CFM). This increased airflow is beneficial when using pneumatic tools that require a continuous supply of compressed air, such as paint sprayers or sandblasters.

Duty Cycle:

The horsepower rating of an air compressor can also influence its duty cycle. The duty cycle refers to the amount of time an air compressor can operate continuously before it needs to rest and cool down. Higher horsepower compressors often have larger and more robust components, allowing them to handle heavier workloads and operate for longer periods without overheating. This is particularly important in demanding applications where continuous and uninterrupted operation is required.

Size and Portability:

It’s worth noting that the horsepower rating can also affect the physical size and portability of an air compressor. Higher horsepower compressors tend to be larger and heavier due to the need for more substantial motors and components to generate the increased power output. This can impact the ease of transportation and maneuverability, especially in portable or mobile applications.

When selecting an air compressor, it is essential to consider the specific requirements of your intended applications. Factors such as desired air pressure, airflow, duty cycle, and portability should be taken into account. It’s important to choose an air compressor with a horsepower rating that aligns with the demands of the tools and equipment you plan to operate, ensuring optimal performance and efficiency.

Consulting the manufacturer’s specifications and guidelines can provide valuable information on how the horsepower rating of an air compressor corresponds to its capabilities and suitability for different tasks.

air compressor

In which industries are air compressors widely used?

Air compressors find extensive usage across various industries due to their versatility and ability to generate compressed air. Here are some industries where air compressors are widely employed:

1. Manufacturing: Air compressors are essential in manufacturing processes for powering pneumatic tools and equipment. They are used for tasks such as operating assembly lines, powering robotic machinery, running paint sprayers, and driving pneumatic actuators.

2. Construction: Air compressors play a crucial role in the construction industry. They power pneumatic tools like jackhammers, nail guns, impact wrenches, and concrete breakers. Compressed air is also used for concrete spraying, sandblasting, and operating air-powered lifts and hoists.

3. Automotive: Air compressors are widely used in automotive manufacturing and repair. They power air tools used in auto body shops, tire inflation equipment, pneumatic lifts, and air-operated brake systems. Compressed air is also utilized in vehicle painting and drying processes.

4. Oil and Gas: The oil and gas industry extensively relies on air compressors for various applications. They are used for pneumatic drilling, powering pneumatic tools in refineries and petrochemical plants, operating pneumatic valves and actuators, and providing instrument air for control systems.

5. Food and Beverage: Air compressors are employed in the food and beverage industry for tasks such as packaging, bottling, and sealing. They power pneumatic conveying systems, control air pressure in food processing equipment, and provide clean compressed air for food handling and storage.

6. Pharmaceutical and Healthcare: Air compressors find application in pharmaceutical manufacturing and healthcare facilities. They are used for operating medical equipment, such as ventilators and dental tools. Compressed air is also utilized in pharmaceutical processes, including tablet coating, fluid bed drying, and aseptic packaging.

7. Aerospace: The aerospace industry relies on air compressors for various applications, including aircraft maintenance and assembly. They power pneumatic tools for aircraft repair, provide compressed air for cleaning and pressurizing systems, and support ground operations, such as tire inflation and aircraft de-icing.

8. Mining: Air compressors are extensively used in the mining industry. They power pneumatic tools for drilling, rock blasting, and excavation. Compressed air is also utilized for ventilation, conveying materials, and operating underground equipment.

9. Energy and Utilities: Air compressors play a vital role in the energy and utilities sector. They are used in power generation plants for pneumatic control systems, instrument air, and operating pneumatic valves. Compressed air is also employed for cleaning and maintenance purposes.

These are just a few examples of the industries where air compressors are widely utilized. The versatility and reliability of air compressors make them indispensable in numerous applications across diverse sectors.

China Good quality 22kw 20HP 30HP 50HP Variable Speed Permanent Magnet Synchronous Motor Rotary Screw Air Compressor   air compressor portableChina Good quality 22kw 20HP 30HP 50HP Variable Speed Permanent Magnet Synchronous Motor Rotary Screw Air Compressor   air compressor portable
editor by CX 2024-02-10