Product Description
Company Profile
ZheJiang CHINAMFG Machinery Co., Ltd. was established in 2003 and has18 years of experience in the air compressor industry. It is an innovativeenterprise integrating production, trade, service, research and development.
Our company dominates strong technical skil, advancing manufacture equipmentand testing device, execute strictly of ISO9001 quality management system.As a CE certificated manufacturer, our Oil-free series air compressor alsoreaches Germany TUV Class 0 standard.
Main products have passed the testing of national technical authoritiesenergy consumption level has reached the international advanced level.
With more than 120 skilled employees and 18 senior engineers, eachproduction process is performed standardly and strictly. Germanytechnology and 14 years export experience have helped us to gain morethan 30 loyal overseas agents, and our valued customers have spreadacross more than 130 countries.
Rocky will continue to promote technological innovation and progress inline with the mission of “innovation reflects value”, and achieve win-winresults with global partners, suppliers and employees. Create a newworld of “energy saving, envir-onmental protection and intelligence”inthe field of air compressors.
Certifications
Product process
Packaging & Shipping
Product Description
Oil Free Scroll Air Compressor RO-7.5A
Compared with traditional compressors, oil-free scroll compressor 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-7.5A
Capacity: 0.68~0.8m3/min
Working pressure: 8~10 bar
Rated power: 11kw IE3 IP55 F class
Voltage:380v/50hz/3ph
Oil free: Class 0
Drive mode: belt driven
Scroll Air end: 3.7kw*2pcs
Cooling: by air
Control type: pressure sensor control,7″ touch screen PLC
Air outlet size: G3/4″
Dimension: 980*675*1270mm
Weight: 350kg
Noise: 60±db(A)
| Model | Air Delivery(m3/min) | Power (kW) |
Air-end | Air tank | Noise dB(A) |
Outlet diameter |
Dimension (mm) | Weight (Kg) |
|
| 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 |
Features and advantages
Oil free The compressed air is clean and oil-free, and the product has obtained the 0-level oil-free certificate certified by the German TUV certification agency.
Low vibration When rotating, the high pressure area around the axis is evenly distributed, without eccentricity, good balance and small vibration
Low noise There are very few parts, there is almost no part collision sound, and the noise is extremely low.
High efficiency Unique vortex structure, high volume ratio, no energy waste, higher efficiency.
High reliability The processing accuracy can reach CHINAMFG level, and the heat dissipation design makes the air compressor more reliable.
Low maintenance There are almost no wearing parts and the maintenance cost is extremely low.
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
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| After-sales Service: | Online Support |
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| Warranty: | 24month |
| Lubrication Style: | Lubricated |
| Customization: |
Available
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Shipping Cost:
Estimated freight per unit. |
about shipping cost and estimated delivery time. |
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| Payment Method: |
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Initial Payment Full Payment |
| Currency: | US$ |
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| Return&refunds: | You can apply for a refund up to 30 days after receipt of the products. |
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Can Scroll Compressors Be Used in Residential Air Conditioning Units?
Yes, scroll compressors can be used in residential air conditioning units, and they are, in fact, a popular choice for such applications. Here’s a detailed explanation:
Scroll compressors are a type of positive displacement compressor that operates with a scroll or spiral-shaped design. They are known for their reliability, efficiency, and quiet operation, making them well-suited for residential air conditioning systems.
Here are some key reasons why scroll compressors are commonly used in residential air conditioning units:
1. Efficiency and Energy Savings:
Scroll compressors are highly efficient compared to other types of compressors, such as reciprocating compressors. They offer improved energy efficiency, which can result in lower energy consumption and reduced operating costs for homeowners. The scroll compressor’s design allows for smoother operation with fewer moving parts, resulting in reduced friction and improved overall efficiency.
2. Compact Size:
Residential air conditioning units typically have space limitations. Scroll compressors are known for their compact size and lightweight construction, making them easier to integrate into smaller air conditioning systems. Their compact design also helps reduce the overall size and footprint of the air conditioning unit, which can be beneficial for residential installations with limited space.
3. Quiet Operation:
Noise is a significant consideration for residential air conditioning units. Scroll compressors operate more quietly compared to reciprocating compressors. The scroll compressor’s design minimizes vibration and noise generation, resulting in a quieter overall operation. This can contribute to a more comfortable living environment for homeowners.
4. Reliability and Durability:
Scroll compressors are known for their reliability and durability. They have fewer moving parts compared to reciprocating compressors, reducing the likelihood of mechanical failure. The scroll design also helps minimize wear and tear, leading to longer compressor life and reduced maintenance requirements. This reliability is crucial for residential air conditioning systems, where homeowners rely on consistent and trouble-free cooling.
5. Improved Cooling Performance:
Scroll compressors offer enhanced cooling performance, providing better temperature control and humidity removal. They can handle varying load conditions efficiently, adjusting their capacity to match the cooling demands of the residential space. This results in improved comfort and more precise temperature control for homeowners.
6. Compatibility with Modern Refrigerants:
Scroll compressors are designed to work with a wide range of refrigerants, including the latest environmentally friendly and energy-efficient options. They can accommodate refrigerants such as R-410A, which is commonly used in residential air conditioning systems due to its superior performance and lower environmental impact compared to older refrigerants.
It’s important to note that there are various sizes and capacities of scroll compressors available to suit different residential air conditioning applications. The specific selection of a scroll compressor for a residential unit would depend on factors such as the cooling load requirements, size of the space being cooled, and the desired energy efficiency rating.
In summary, scroll compressors are well-suited for residential air conditioning units due to their efficiency, compact size, quiet operation, reliability, and improved cooling performance. Their utilization in residential applications contributes to energy savings, enhanced comfort, and reliable cooling for homeowners.
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What is the Role of Oil in Lubricated Scroll Compressors?
In lubricated scroll compressors, oil plays a crucial role in ensuring smooth and reliable operation. Here’s a detailed explanation:
1. Lubrication:
The primary role of oil in lubricated scroll compressors is to provide lubrication to the moving parts. Scroll compressors have several moving components, including the orbiting scroll, fixed scroll, and motor. These parts require a lubricant to reduce friction and prevent wear and tear. The oil forms a thin film between the moving parts, allowing them to slide smoothly and efficiently during operation.
2. Friction Reduction:
The oil in lubricated scroll compressors helps to reduce friction between the moving parts. By creating a lubricating layer, the oil minimizes direct metal-to-metal contact, which can cause increased friction and heat generation. Reducing friction not only improves the efficiency of the compressor but also helps to prolong the lifespan of the components.
3. Heat Dissipation:
Oil also plays a role in dissipating heat generated during the compression process. As the compressor operates, the compression of the refrigerant generates heat. The oil absorbs some of this heat from the moving parts and carries it away, helping to prevent overheating and maintaining the compressor’s operating temperature within acceptable limits.
4. Sealing:
In lubricated scroll compressors, the oil also acts as a sealing agent. It helps to create a seal between the scroll elements, preventing refrigerant leakage. The oil fills any gaps or imperfections in the scroll profiles, ensuring a tight seal and minimizing the risk of refrigerant loss during compression.
5. Contaminant Removal:
Oil in lubricated scroll compressors also serves as a medium for removing contaminants and debris from the system. Over time, particles such as dust, dirt, and metal fragments may enter the compressor. The oil carries these contaminants away from the moving parts, trapping them in the oil filter or other filtration components. This helps to keep the internal components clean and maintain the compressor’s performance and reliability.
6. Component Cooling and Protection:
The oil in lubricated scroll compressors provides cooling and protection to various components. It helps to dissipate heat from the motor and other internal parts, preventing overheating and potential damage. Additionally, the oil forms a protective layer on the surfaces of the moving parts, reducing the risk of corrosion and extending the lifespan of the components.
7. Lubricant Maintenance:
Proper maintenance of the oil is essential in lubricated scroll compressors. Regular oil checks, oil changes, and filter replacements are necessary to ensure the oil’s quality and effectiveness. Following the manufacturer’s guidelines and using the recommended oil type and viscosity are crucial for maintaining optimal lubrication and compressor performance.
It’s important to note that not all scroll compressors require lubrication with oil. Some scroll compressors are designed as oil-free or oil-less, utilizing specialized coatings or other lubrication methods to achieve smooth operation. The specific lubrication requirements of a scroll compressor depend on its design and manufacturer specifications.
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What Are the Advantages of Using a Scroll Compressor?
A scroll compressor offers several advantages over other compressor types. Here’s a detailed explanation of the advantages of using a scroll compressor:
1. High Efficiency:
Scroll compressors are known for their high efficiency. The continuous compression process with minimal clearance volume reduces energy losses and improves overall efficiency compared to other compressor types, such as reciprocating compressors. This can result in energy savings and lower operating costs.
2. Quiet Operation:
Scroll compressors operate with lower noise levels compared to some other compressor types. The interlocking spiral motion of the scrolls creates a smooth compression process with minimal pulsations, reducing vibration and noise generation. This makes scroll compressors suitable for applications where noise reduction is important, such as residential air conditioning or noise-sensitive environments.
3. Compact Design:
Scroll compressors have a relatively compact design, making them suitable for applications where space is limited. The absence of reciprocating parts and the compact arrangement of the scrolls contribute to the compactness of these compressors. This allows for easier installation in tight spaces or equipment with space constraints.
4. Fewer Moving Parts:
Scroll compressors have fewer moving parts compared to reciprocating compressors. This simplifies maintenance and reduces the likelihood of mechanical failures. With fewer components to maintain or replace, scroll compressors can result in lower maintenance costs and increased reliability.
5. Oil-Free Operation:
In some scroll compressor designs, oil lubrication is not required for the compression process. This makes them suitable for applications where oil-free compressed air or gas is required, such as in certain industries or in medical and dental applications. Oil-free operation eliminates the risk of oil contamination and the need for oil separation and filtration systems, simplifying the compressor setup.
6. Enhanced Durability:
Scroll compressors are known for their durability. The design of the scrolls, with their interlocking spiral profiles, results in less wear and tear during operation. This can lead to extended compressor life and reduced maintenance needs.
7. Enhanced Reliability:
Scroll compressors offer enhanced reliability due to their simple design and fewer moving parts. The absence of valves, piston rings, and other wearing components reduces the chances of failure or breakdown. This can result in improved system uptime and reduced downtime for maintenance or repairs.
8. Wide Range of Applications:
Scroll compressors find applications in various industries, including HVAC (heating, ventilation, and air conditioning), refrigeration, automotive, and industrial processes. They are commonly used for air conditioning systems, heat pumps, refrigeration units, and other applications requiring reliable and efficient compression of gases or fluids.
In summary, the advantages of using a scroll compressor include high efficiency, quiet operation, compact design, fewer moving parts, potential for oil-free operation, enhanced durability, enhanced reliability, and suitability for a wide range of applications. These advantages make scroll compressors a popular choice in various industries where reliable and efficient compression is required.
editor by CX 2024-04-25