China high quality Industrial Quiet Oilless Scroll Air Compressor RO-44A air compressor for sale

China High Quality Industrial Quiet Oilless Scroll Air Compressor RO-44A for Sale

China High Quality Industrial Quiet Oilless Scroll Air Compressor RO-44A for Sale

Product Description

Industrial Quiet Oilless Scroll Air Compressor RO-44A

In comparison to traditional compressors, oil-free scroll compressors offer numerous advantages such as a novel structure, compact size, light weight, low noise level, extended lifespan, and reduced maintenance costs. Known as the “maintenance-free air compressor,” this model is ideal for applications requiring 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
  • Voltage: 380V/50Hz/3ph
  • Oil-Free: Class 0
  • Drive Mode: Belt driven
  • Scroll Air End: 5.5kW * 8 pcs
  • Cooling Method: Air-cooled
  • Control Type: Pressure sensor control, 7″ touch screen PLC
  • Air Outlet Size: G1 1/2″
  • Dimensions: 1565 * 1274 * 1775 mm
  • Weight: 1250 kg

Product Variants

Model Air Delivery (m³/min) Power (kW) Air-end Air Tank Noise dB(A) Outlet Diameter Dimension (mm) Weight (Kg)
8 bar 10 bar 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: Suitable for industries requiring high oil content standards for compressed air.
  • Quiet Operation: The scroll air compressor operates with minimal noise, contributing to a healthier work environment.
  • Convenient Installation: Compact and space-saving, can be installed near the gas point, reducing installation costs for compressed air pipe networks.
  • Simple Maintenance: No need for oil replacement or addition, only a few consumables need periodic replacement, resulting in low maintenance costs.
  • Zero Pollution: Only discharges condensate water, no other harmful substances, aligning with sustainable development requirements.

Application Industry

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

Other Products

EVER-POWER GROUP also supplies a variety of high-quality industrial products such as agricultural gearboxes, power output shafts, sprockets, fluid couplings, worm gear reducers, gears, racks, roller chains, pulleys, planetary gearboxes, timing pulleys, and bushings. We offer competitive prices and excellent services. Customers are welcome to provide drawings and samples for customization.

Frequently Asked Questions (FAQs)

1. What makes the RO-44A air compressor unique?

The RO-44A air compressor stands out due to its oil-free operation, compact size, light weight, reduced noise levels, and minimal maintenance requirements.

2. In which industries can the oil-free scroll air compressor be used?

It is suitable for industries such as electronics, food, medicine, dentistry, golf courses, fermentation, textile, and chemical industries.

3. What are the benefits of using an oil-free scroll compressor?

Benefits include 100% oil-free air, quiet operation, easy installation, simple maintenance, and zero pollution.

4. How does the maintenance of the RO-44A compare with traditional compressors?

The RO-44A requires less maintenance as it does not need oil changes, and only a few consumables need periodic replacement.

5. What other products does EVER-POWER GROUP supply?

EVER-POWER GROUP supplies various industrial products including agricultural gearboxes, power output shafts, sprockets, fluid couplings, worm gear reducers, gears, racks, roller chains, pulleys, planetary gearboxes, timing pulleys, and bushings.

All the content of the page is from the Internet, the content is only as a reference for product selection, our products are replacement parts and not original spare parts; we are not the holder of the original trademarks of the content, our products are only suitable for after-sales replacement parts and not original spare parts, our replacement parts can be perfectly adapted to the original spare parts; if you need to buy original spare parts, please contact the original factory to buy. If you want to buy original spare parts, please contact the original supplier for purchase.

Performance Characteristics of Oilless Air Compressors

Oilless air compressors are designed to operate without the need for oil lubrication, which distinguishes them from traditional air compressors. Here are the key performance characteristics:

Oil-Free Operation

An oilless air compressor does not require oil for lubrication, which reduces the risk of oil contamination in the compressed air. This feature is particularly beneficial in industries such as food and beverage, pharmaceuticals, and electronics manufacturing where clean air is crucial.

Low Maintenance

Without the need for oil changes and related maintenance, oilless air compressors offer lower maintenance costs and simpler upkeep. This leads to less downtime and more reliable operation.

Environmental Friendliness

Oilless air compressors produce fewer emissions and are more environmentally friendly due to the absence of oil disposal issues. This makes them a sustainable choice for various applications.

Quiet Operation

These compressors typically operate more quietly than their oil-lubricated counterparts, making them suitable for environments where noise reduction is important.

Enhanced Durability

Oilless air compressors often feature advanced materials and design that enhance their durability and longevity, providing long-term reliability.

Types and Characteristics of Oilless Air Compressors

Oilless air compressors come in various types, each with unique characteristics and suitable applications.

Reciprocating Oilless Air Compressors

These compressors use a piston driven by a crankshaft to deliver air at high pressure. They are known for their compact size and efficiency in delivering high-pressure air.

Rotary Screw Oilless Air Compressors

These compressors use twin screws to compress air, offering continuous operation and reduced noise levels. They are ideal for industrial applications requiring a steady supply of compressed air.

Scroll Oilless Air Compressors

Scroll compressors use two spiral-shaped scrolls to compress air. They are appreciated for their quiet operation, reliability, and low maintenance requirements.

Advantages of Oilless Air Compressors Made of Different Materials

Aluminum Construction

Oilless air compressors made of aluminum are lightweight, offering ease of portability and installation. Aluminum also provides good corrosion resistance and durability.

Stainless Steel Construction

Stainless steel compressors are highly resistant to corrosion and contamination, making them ideal for the food, beverage, and pharmaceutical industries.

Composite Materials

Compressors constructed from composite materials combine strength and lightness, providing excellent performance in harsh environments.

Application of Oilless Air Compressors in Various Fields

Oilless air compressors are crucial in many industries due to their clean air output and reliable performance.

Medical and Dental Equipment

In the medical and dental fields, oilless air compressors provide clean, oil-free air necessary for patient care and equipment operation.

Food and Beverage Industry

The absence of oil contamination is crucial in the food and beverage industry to ensure product safety and quality.

Pharmaceutical Industry

Oilless compressors are essential in pharmaceutical manufacturing processes where contamination-free air is required.

Electronics Manufacturing

In electronics manufacturing, clean air is vital to prevent damage to sensitive components during production.

Automotive Industry

The automotive industry utilizes oilless air compressors for painting, cleaning, and other processes where oil contamination can affect product quality.

Future Development Trends and Opportunities of Oilless Air Compressors

Oilless air compressors are evolving to meet the demands of various industries. Key trends include:

Increased Energy Efficiency

Manufacturers are focusing on improving the energy efficiency of oilless air compressors to reduce operational costs and environmental impact.

Advanced Materials

The development of new materials will enhance the durability and performance of oilless air compressors, making them suitable for more demanding applications.

Smart Technology Integration

Integration of smart technology and IoT features will enable remote monitoring and predictive maintenance, increasing reliability and reducing downtime.

How to Choose a Suitable Oilless Air Compressor

Choosing the right oilless air compressor involves several considerations:

Clear Requirements

Identify the specific needs of your application, including pressure requirements, air quality, and usage patterns.

Material Selection

Choose a compressor constructed from materials that suit your operating environment and industry requirements.

Design Optimization

Consider the design and features of the compressor, such as noise levels, size, and ease of maintenance.

Suppliers and After-Sales Service

Select a reputable supplier who offers reliable after-sales service and support to ensure long-term performance.


Evaluate the total cost of ownership, including purchase price, maintenance costs, and energy efficiency, to determine the most cost-effective option.

Quality Control

Ensure that the compressor meets industry standards and certifications for quality and performance.

Author: Dream