China Professional Industrial Quiet Oilless Scroll Air Compressor RO-44A air compressor parts

Product Description

Product Description

Industrial Quiet Oilless Scroll Air Compressor RO-44A
Compared with traditional compressors, oil-free scroll compressors have excellent performances such as novel structure, compact size, light weight, low noise, long life and low maintenance cost. Known as “maintenance-free air compressor”, it is an ideal model for air compressors below 50HP.

Product Parameters


Model: RO-44A
Capacity: 4.8 m3/min  4800L/min
Working pressure: 8 bar
Rated power: 44kw IE3 IP55 F class
Oil free: Class 0
Drive mode: belt driven
Scroll Air end: 5.5kw*8pcs
Cooling: by air
Control type: pressure sensor control,7″ touch screen PLC
Air outlet size: G1 1/2″
Dimension: 1565*1274*1775mm
Weight: 1250kg

Model Air Delivery(m3/min) Power
Air-end Air tank Noise
Dimension (mm)   Weight
8bar 10bar Power*Qty Liters L * W * H
RO-2.2AT 0.24  0.22  2.2 2.2*1 40 55 G1/2 700*500*1220 160
RO-3.7AT 0.40  0.34  3.7 3.7*1 40 55 G1/2 700*500*1220 170
RO-2.2A 0.24  0.22  2.2 2.2*1 / 55 G1/2 650*500*870 125
RO-3.7A 0.40  0.34  3.7 3.7*1 / 55 G1/2 650*500*870 135
RO-5.5A 0.60  0.55  5.5 5.5*1 / 55 G1/2 790*640*1050 190
RO-7.5A 0.80  0.68  7.4 3.7*2 / 60 G1/2 980*675*1270 350
RO-11A 1.20  1.10  11 5.5*2 / 60 G3/4 852*1274*1330 450
RO-15A 1.60  1.36  14.8 3.7*4 / 63 G1 1/2 1565*1274*1330 700
RO-16.5A 1.80  1.65  16.5 5.5*3 / 63 G1 1/2 1565*1274*1330 710
RO-22A 2.40  2.20  22 5.5*4 / 63 G1 1/2 1565*1274*1330 730
RO-33A 3.60  3.30  33 5.5*6 / 65 G1 1/2 1565*1274*1775 1571
RO-44A 4.80  4.40  44 5.5*8 / 68 G1 1/2 1565*1274*1775 1250



100% oil-free. 
Can be used in any industry, especially suitable for users with high oil content requirements for compressed air.

Quiet operation. 
The operation noise of the scroll air compressor is extremely low, and the working environment is healthier.

Convenient installation. 
lt occupies a small area and can be installed near the gas point, thereby reducing the installation ofcompressed air pipe network and effectively reducing the cost of pipe network installation.

Simple maintenance. 
No need to replace or add lubricatina ol. only a small amount of consumables need to be replacedregularly, and the maintenance cost is low.

Zero pollution.
Only discharge of condensate water, no other harful substances, in lne with the requirements of sustainabledevelopment.

Application industry

Oil-free scroll screw air compressors are widely used in electronics, food, medicine, dentistry, golf courses, fermentation, textile, chemical and other industries.

Successful cases

Company Profile



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After-sales Service: Online Support
Warranty: 24month
Lubrication Style: Lubricated


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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

What is the impact of humidity on compressed air quality?

Humidity can have a significant impact on the quality of compressed air. Compressed air systems often draw in ambient air, which contains moisture in the form of water vapor. When this air is compressed, the moisture becomes concentrated, leading to potential issues in the compressed air. Here’s an overview of the impact of humidity on compressed air quality:

1. Corrosion:

High humidity in compressed air can contribute to corrosion within the compressed air system. The moisture in the air can react with metal surfaces, leading to rust and corrosion in pipes, tanks, valves, and other components. Corrosion not only weakens the structural integrity of the system but also introduces contaminants into the compressed air, compromising its quality and potentially damaging downstream equipment.

2. Contaminant Carryover:

Humidity in compressed air can cause carryover of contaminants. Water droplets formed due to condensation can carry particulates, oil, and other impurities present in the air. These contaminants can then be transported along with the compressed air, leading to fouling of filters, clogging of pipelines, and potential damage to pneumatic tools, machinery, and processes.

3. Decreased Efficiency of Pneumatic Systems:

Excessive moisture in compressed air can reduce the efficiency of pneumatic systems. Water droplets can obstruct or block the flow of air, leading to decreased performance of pneumatic tools and equipment. Moisture can also cause problems in control valves, actuators, and other pneumatic devices, affecting their responsiveness and accuracy.

4. Product Contamination:

In industries where compressed air comes into direct contact with products or processes, high humidity can result in product contamination. Moisture in compressed air can mix with sensitive products, leading to quality issues, spoilage, or even health hazards in industries such as food and beverage, pharmaceuticals, and electronics manufacturing.

5. Increased Maintenance Requirements:

Humidity in compressed air can increase the maintenance requirements of a compressed air system. Moisture can accumulate in filters, separators, and other air treatment components, necessitating frequent replacement or cleaning. Excessive moisture can also lead to the growth of bacteria, fungus, and mold within the system, requiring additional cleaning and maintenance efforts.

6. Adverse Effects on Instrumentation:

Humidity can adversely affect instrumentation and control systems that rely on compressed air. Moisture can disrupt the accuracy and reliability of pressure sensors, flow meters, and other pneumatic instruments, leading to incorrect measurements and control signals.

To mitigate the impact of humidity on compressed air quality, various air treatment equipment is employed, including air dryers, moisture separators, and filters. These devices help remove moisture from the compressed air, ensuring that the air supplied is dry and of high quality for the intended applications.

air compressor

What is the impact of altitude on air compressor performance?

The altitude at which an air compressor operates can have a significant impact on its performance. Here are the key factors affected by altitude:

1. Decreased Air Density:

As altitude increases, the air density decreases. This means there is less oxygen available per unit volume of air. Since air compressors rely on the intake of atmospheric air for compression, the reduced air density at higher altitudes can lead to a decrease in compressor performance.

2. Reduced Airflow:

The decrease in air density at higher altitudes results in reduced airflow. This can affect the cooling capacity of the compressor, as lower airflow hampers the dissipation of heat generated during compression. Inadequate cooling can lead to increased operating temperatures and potential overheating of the compressor.

3. Decreased Power Output:

Lower air density at higher altitudes also affects the power output of the compressor. The reduced oxygen content in the air can result in incomplete combustion, leading to decreased power generation. As a result, the compressor may deliver lower airflow and pressure than its rated capacity.

4. Extended Compression Cycle:

At higher altitudes, the air compressor needs to work harder to compress the thinner air. This can lead to an extended compression cycle, as the compressor may require more time to reach the desired pressure levels. The longer compression cycle can affect the overall efficiency and productivity of the compressor.

5. Pressure Adjustments:

When operating an air compressor at higher altitudes, it may be necessary to adjust the pressure settings. As the ambient air pressure decreases with altitude, the compressor’s pressure gauge may need to be recalibrated to maintain the desired pressure output. Failing to make these adjustments can result in underinflated tires, improper tool performance, or other issues.

6. Compressor Design:

Some air compressors are specifically designed to handle higher altitudes. These models may incorporate features such as larger intake filters, more robust cooling systems, and adjusted compression ratios to compensate for the reduced air density and maintain optimal performance.

7. Maintenance Considerations:

Operating an air compressor at higher altitudes may require additional maintenance and monitoring. It is important to regularly check and clean the intake filters to ensure proper airflow. Monitoring the compressor’s operating temperature and making any necessary adjustments or repairs is also crucial to prevent overheating and maintain efficient performance.

When using an air compressor at higher altitudes, it is advisable to consult the manufacturer’s guidelines and recommendations specific to altitude operations. Following these guidelines and considering the impact of altitude on air compressor performance will help ensure safe and efficient operation.

air compressor

Can air compressors be used for automotive applications?

Yes, air compressors can be used for various automotive applications and are commonly found in automotive repair shops, garages, and even in some vehicles. Here are some automotive applications where air compressors are frequently utilized:

1. Tire Inflation: Air compressors are commonly used to inflate tires in automotive applications. They provide a convenient and efficient way to inflate tires to the recommended pressure, ensuring optimal tire performance, fuel efficiency, and safety.

2. Air Tools: Air compressors power a wide range of pneumatic tools used in automotive repair and maintenance. These tools include impact wrenches, ratchet wrenches, air hammers, pneumatic drills, and sanders. Air-powered tools are favored for their high torque and power-to-weight ratio, making them suitable for heavy-duty automotive tasks.

3. Spray Painting: Air compressors are commonly used in automotive painting applications. They power airbrushes and spray guns that are used to apply paint, primer, and clear coats. Air compressors provide the necessary air pressure to atomize the paint and deliver a smooth and even finish.

4. Brake System Maintenance: Air compressors play a crucial role in maintaining and diagnosing automotive brake systems. They are used to pressurize the brake lines, allowing for proper bleeding of the system and detection of leaks or faults.

5. Suspension Systems: Some automotive suspension systems, such as air suspensions, rely on air compressors to maintain the desired air pressure in the suspension components. The compressor inflates or deflates the suspension as needed to provide a comfortable ride and optimal handling.

6. Cleaning and Dusting: Air compressors are used for cleaning automotive parts, blowing away dust and debris, and drying surfaces. They provide a high-pressure stream of air that effectively cleans hard-to-reach areas.

7. Air Conditioning Systems: Air compressors are a key component in automotive air conditioning systems. They compress and circulate refrigerant, allowing the system to cool and dehumidify the air inside the vehicle.

When using air compressors for automotive applications, it’s important to consider the specific requirements of the task at hand. Ensure that the air compressor has the necessary pressure and capacity to meet the demands of the application. Additionally, use appropriate air hoses, fittings, and tools that are compatible with the compressor’s output.

Overall, air compressors are versatile and valuable tools in the automotive industry, providing efficient power sources for a wide range of applications, from tire inflation to powering pneumatic tools and supporting various automotive systems.

China Professional Industrial Quiet Oilless Scroll Air Compressor RO-44A   air compressor partsChina Professional Industrial Quiet Oilless Scroll Air Compressor RO-44A   air compressor parts
editor by CX 2024-05-22