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
China Factory Air Compressor Quiet Oil Free Scroll Air Compressor
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-3.7A
Capacity: 0.34~0.4m3/min
Working pressure: 8~10 bar
Rated power: 3.7kw IE3 IP55 F class
Voltage:380v/50hz/3ph
Oil free: Class 0
Drive mode: belt driven
Scroll Air end: 3.7kw*1pcs
Cooling: by air
Control type: pressure sensor control,7″ touch screen PLC
Air outlet size: G3/4″
Dimension: 650*500*870mm
Weight: 135kg
Noise: 55±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.
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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
| 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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What Is the Typical Operating Pressure Range of Scroll Compressors?
The typical operating pressure range of scroll compressors can vary depending on the specific application and design of the compressor. However, here’s a general explanation of the pressure range commonly encountered with scroll compressors:
1. Low-Pressure Range:
Scroll compressors can operate in a low-pressure range, typically starting from around 30 to 50 psi (2 to 3.5 bar). This low-pressure range is often associated with the suction or inlet side of the compressor, where the refrigerant enters the compressor for compression. The exact lower limit of the pressure range can vary depending on factors such as the refrigerant used and the specific design of the compressor.
2. High-Pressure Range:
The high-pressure range of scroll compressors typically extends up to several hundred psi (pounds per square inch) or tens of bar. This range is associated with the discharge or outlet side of the compressor, where the compressed refrigerant is released. The upper limit of the pressure range depends on factors such as the compressor’s design, intended application, and the specific refrigerant used.
3. System-Specific Pressure Ratings:
It’s important to note that the actual operating pressure range for a scroll compressor can be specified by the manufacturer and can vary depending on the intended application and system requirements. Manufacturers provide pressure ratings for their scroll compressors, indicating the recommended operating pressure range to ensure safe and efficient operation.
4. Variable Operating Pressures:
Scroll compressors are designed to accommodate variable operating pressures based on the cooling load and system demands. The compressor’s capacity modulation allows it to adjust its output to match the cooling requirements, resulting in more efficient operation. This flexibility in operating pressures allows scroll compressors to optimize their performance and energy efficiency across a range of operating conditions.
It’s essential to consult the manufacturer’s specifications, technical documentation, or contact the manufacturer directly to obtain the specific operating pressure range for a particular scroll compressor model. The operating pressure range can vary depending on factors such as the refrigerant type, compressor size, intended application, and design considerations.
In summary, the typical operating pressure range of scroll compressors can start from around 30 to 50 psi on the low-pressure side and extend up to several hundred psi on the high-pressure side. However, the actual operating pressure range is specified by the manufacturer and can vary based on the compressor’s design, intended application, and the specific refrigerant used.
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Can Scroll Compressors Be Used for Refrigeration?
Yes, scroll compressors can be used for refrigeration applications. Here’s a detailed explanation:
Scroll compressors are widely used in various refrigeration systems due to their efficiency, reliability, and compact design. They are particularly suited for applications that require consistent cooling or freezing temperatures, such as commercial refrigeration, air conditioning, and heat pump systems.
Here are some key reasons why scroll compressors are suitable for refrigeration:
1. Efficiency: Scroll compressors are known for their high energy efficiency. They typically have a higher coefficient of performance (COP) compared to other compressor types, meaning they can deliver more cooling or heating output per unit of energy consumed. This efficiency can result in reduced energy consumption and operational costs for refrigeration systems.
2. Reliability: Scroll compressors have a simple design with fewer moving parts compared to reciprocating compressors. This simplicity contributes to their reliability and durability. Scroll compressors are less prone to mechanical failures and have longer service life, making them a dependable choice for refrigeration applications.
3. Quiet Operation: Scroll compressors operate at lower noise levels compared to reciprocating compressors. The scroll design minimizes pulsations and vibrations, resulting in smoother and quieter operation. This makes scroll compressors suitable for refrigeration systems used in noise-sensitive environments such as residential areas or commercial spaces.
4. Compact Size: Scroll compressors have a compact and lightweight construction. Their small footprint allows for flexible installation in space-constrained environments, making them ideal for refrigeration systems in commercial refrigerators, display cases, walk-in freezers, and other compact cooling applications.
5. Oil-Free Operation: Some scroll compressors are designed for oil-free operation. Oil-free scroll compressors eliminate the need for oil lubrication, reducing the risk of oil contamination in the refrigeration system. This feature is particularly beneficial in applications where oil presence can be problematic, such as food processing, pharmaceutical storage, or sensitive laboratory environments.
6. Capacity Modulation: Scroll compressors can modulate their capacity to match the cooling load requirements of the refrigeration system. This modulation capability allows for precise temperature control and efficient operation, especially in applications with varying cooling demands. It helps optimize energy consumption and ensures stable and consistent refrigeration performance.
7. Environmental Considerations: Scroll compressors offer environmentally friendly refrigeration solutions. Many scroll compressors are designed to be compatible with low-global warming potential (GWP) refrigerants, such as hydrofluoroolefins (HFOs) or hydrofluorocarbons (HFCs) with lower GWP values. This helps reduce the environmental impact of the refrigeration system and supports compliance with regulations and sustainability initiatives.
In summary, scroll compressors are well-suited for refrigeration applications due to their efficiency, reliability, quiet operation, compact size, capacity modulation capabilities, and environmental considerations. They are widely used in various commercial and industrial refrigeration systems, providing effective and energy-efficient cooling solutions.
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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 2023-10-11