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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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.
What Are the Key Components of a Scroll Compressor?
A scroll compressor consists of several key components that work together to facilitate the compression process. Here’s a detailed explanation of the key components:
1. Stationary Scroll:
The stationary scroll, also known as the fixed scroll, is a stationary component in the scroll compressor. It has a spiral-shaped profile that interlocks with the orbiting scroll. The stationary scroll remains fixed in place during operation and provides a stable foundation for the compression process.
2. Orbiting Scroll:
The orbiting scroll, also known as the movable scroll, is the component that moves in an eccentric circular motion. It also has a spiral-shaped profile that interlocks with the stationary scroll. The orbiting scroll’s motion creates varying volume chambers between the scrolls, which trap and compress the gas or fluid. The orbiting scroll is driven by a motor or an external force to maintain the continuous compression process.
3. Motor or Drive Mechanism:
The motor or drive mechanism is responsible for powering the motion of the orbiting scroll. It provides the necessary rotational force to drive the scroll in an eccentric motion. In some scroll compressors, the motor is directly coupled to the orbiting scroll, while in others, an external drive mechanism, such as a belt or a crankshaft, is used to transfer the motion.
4. Housing or Casing:
The housing or casing encloses the scroll compressor’s internal components and provides structural support. It also helps to contain and direct the flow of gas or fluid during the compression process. The housing is typically made of durable materials to withstand the operating conditions and maintain the integrity of the compression chamber.
5. Suction and Discharge Ports:
The suction and discharge ports are openings in the scroll compressor that allow the gas or fluid to enter and exit the compression chamber, respectively. The suction port is connected to the intake side of the compressor, where the gas or fluid is drawn in during the suction stroke. The discharge port is located at the center of the scrolls and allows the compressed gas or fluid to exit the compressor during the discharge stroke.
6. Bearings:
Bearings are used to support the rotation of the orbiting scroll and reduce friction. They provide smooth and stable movement of the orbiting scroll within the compressor. The bearings are typically located at strategic points to ensure proper alignment and minimize wear and tear during operation.
7. Sealing Mechanism:
A sealing mechanism is employed to maintain proper sealing between the scrolls during operation. This prevents leakage of the gas or fluid and ensures efficient compression. The sealing mechanism may include seals, gaskets, or other components that create a tight seal between the scrolls.
8. Cooling System:
Some scroll compressors may incorporate a cooling system to manage the heat generated during compression. This could include features such as cooling fins, internal cooling channels, or an external cooling system to maintain optimal operating temperatures and prevent overheating.
These key components work together in a synchronized manner to facilitate the compression process in a scroll compressor. The interlocking scrolls, driven by the motor or drive mechanism, create varying volume chambers that compress the gas or fluid, while the housing, ports, bearings, sealing mechanism, and cooling system ensure efficient and reliable operation.
In summary, the key components of a scroll compressor include the stationary scroll, orbiting scroll, motor or drive mechanism, housing or casing, suction and discharge ports, bearings, sealing mechanism, and cooling system. Each component plays a crucial role in facilitating the compression process and maintaining the integrity of the compressor.
editor by CX 2024-01-15