Product Description
Product Description
250kW Oil Free CHINAMFG Variable Speed Drive 8 bar 10 bar 12.5 bar Screw Air Compressor
Model: RW-250A/W
Type: totally oil free water lubrication screw air compressor
Screw type: Single screw
Free air delivery: 43.5 m3/min
Working pressure: 8 bar
Control: Touch screen PLC
Driven: direct
Cooling: by air
Starting method: Frequency conversion start
Lubricating water volume: 360 liters
Electric motor: 350hp 250KW 380v/50hz/3ph,IP54
Discharge temperature: less than ambient +8 ºC
Noise: less than 80dB(A)
Dimension: 2700*2800*2050mm
Weight:4600kg
Technical parameter
| Model | Air Delivery (m3/min) | Power (kW) | Lubricating water amount (Liters) | Cooling water amount T/Hour | Cooling water inlet/outlet diameter | Noise dB(A) | Outlet diameter | Dimension (mm) | ||
| 8 bar | 10 Bar | 12.5 bar | L*W*H | |||||||
| RW-08A/W | 1.17 | 1.05 | 0.81 | 7.5 | 10 | 2.0 | 3/4″ | 58 | 3/4″ | 800*800*1200 |
| RW-11A/W | 1.65 | 1.42 | 1.10 | 11 | 26 | 2.5 | 1″ | 60 | 3/4″ | 1150*755*1340 |
| RW-15A/W | 2.43 | 2.17 | 1.80 | 15 | 26 | 3.5 | 1″ | 63 | 3/4″ | 1150*755*1340 |
| RW-18A/W | 3.13 | 2.82 | 2.05 | 18.5 | 30 | 4.0 | 1″ | 65 | 1″ | 1400*900*1450 |
| RW-22A/W | 3.52 | 3.21 | 2.78 | 22 | 30 | 5.0 | 1″ | 65 | 1″ | 1400*900*1450 |
| RW-30A/W | 5.12 | 4.43 | 3.63 | 30 | 40 | 7.0 | 1 1/2″ | 67 | 1 1/4″ | 1550*1150*1550(A) 1500*1150*1300(W) |
| RW-37A/W | 6.30 | 5.33 | 4.77 | 37 | 40 | 9.0 | 1 1/2″ | 67 | 1 1/4″ | 1550*1150*1550(A) 1500*1150*1300(W) |
| RW-45A/W | 7.40 | 6.30 | 5.56 | 45 | 90 | 10.0 | 1 1/2″ | 68 | 2″ | 1980*1300*1760(A) 1800*1300*1670(W) |
| RW-55A/W | 9.60 | 8.55 | 7.67 | 55 | 120 | 12.0 | 1 1/2″ | 70 | 2″ | 1980*1300*1760(A) 1800*1300*1670(W) |
| RW-75A/W | 13.00 | 11.50 | 9.70 | 75 | 120 | 18.0 | 1 1/2″ | 73 | 2″ | 2100*1600*1900(A) 2200*1500*1800(W) |
| RW-90A/W | 14.80 | 13.90 | 12.60 | 90 | 180 | 20.0 | 1 1/2″ | 73 | 2 1/2″ | 2400*1600*2000(A) 2200*1500*1800(W) |
| RW-110A/W | 19.85 | 16.66 | 15.56 | 110 | 180 | 24.0 | 2″ | 78 | 2 1/2″ | 3000*1700*2250(A) 2200*1500*1800(W) |
| RW-132A/W | 23.10 | 19.97 | 16.90 | 132 | 240 | 30.0 | 2″ | 78 | 2 1/2″ | 3000*1700*2250(A) 2200*1500*1800(W) |
| RW-160W | 28.11 | 25.45 | 22.52 | 160 | 240 | 35.0 | 3H | 80 | DN80 | 2700*2800*2050 |
| RW-185W | 33.97 | 29.00 | 25.21 | 185 | 300 | 38.0 | 3″ | 80 | DN80 | 2700*2800*2050 |
| RW-200W | 36.75 | 32.78 | 29.24 | 200 | 300 | 42.0 | 4″ | 80 | DN100 | 2700*2800*2050 |
| RW-220W | 39.67 | 36.75 | 29.63 | 220 | 360 | 47.0 | 4″ | 80 | DN100 | 2700*2800*2050 |
| RW-250W | 43.50 | 39.30 | 34.00 | 250 | 360 | 58.0 | 4″ | 80 | DN100 | 2700*2800*2050 |
| Note:” A” means air cooling,” W” means water cooling. | ||||||||||
Field Case
Customer Visit
Company Profile
ZheJiang CHINAMFG Machinery Co., Ltd. was established in 2003 and has 18 years of experience in the air compressor industry. It is an innovative enterprise integrating production, trade, service, research and development.
Our company dominates strong technical skill, advancing manufacture equipment and testing device, execute strictly of ISO9001 quality management system. As a CE certificated manufacturer, our Oil-free series air compressor also
reaches Germany TUV Class 0 standard.
Main products have passed the testing of national technical authorities, energy consumption level has reached the international advanced level.
With more than 120 skilled employees and 18 senior engineers, each production process is performed standardly and strictly. Germany technology and 14 years export experience have helped us to gain more than 30 loyal overseas agents, and our valued customers have spread across more than 130 countries.
CHINAMFG will continue to promote technological innovation and progress in line with the mission of “innovation reflects value”, and achieve CHINAMFG results with global partners, suppliers and employees. Create a new world of “energy saving, envir-onmental protection and intelligence” in the field of air compressors.
Packaging & Shipping
Payment and delivery
FAQ
Q1. Are you trading company or manufacture ?
A: We are professional manufacture of screw air compressor of HangZhou,ZheJiang ,China. More than 18 years of experience in air compressor manufacturing.
Q2. How long is the delivery time ?
A: For standard voltage ,15 working days. Non-standard ,please contact our sales.
Q3. What’s payment term ?
A: T/T, L/C, D/P, Western Union, Paypal, Credit Card, and etc. Also we could accept USD, RMB, Euro and other currency.
Q4. How about your after-sales service ?
A: 1.Provide customers with installation and commissioning online instructions.
2. Well-trained engineers available to overseas service.
3.CHINAMFG agents and after service avaiable.arrange our engineers to help you training and installation.
Q5. How about your warranty?
A: One year for the whole machine and 2 years for screw air end, except consumable spare parts.
Q6. Do you have any certificate ?
A: Yes, per different customer’s market need ,we can offer CE ,ISO etc certificate.
Q7. What about the maintenance ?
A: First maintenance need to be done after 500Hours, and then every 2000-3000 hours to do the normal maintenance, and consider the actual environment.
Q8. How do you control quality ?
A: 1. The raw materials are strictly inspected
2. Some key parts are imported from overseas
3. Each compressor must pass at least 5 hours of continuous testing before leaving the factory.
Q9. Do you offer OEM service ?
A: Yes.Both OEM & ODM service can be accepted.
Q10.How long could your air compressor be used?
A: Generally, more than 10 years.
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| After-sales Service: | Online Support |
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| Warranty: | 2 Year |
| Lubrication Style: | Oil-free |
| Samples: |
US$ 67760/Piece
1 Piece(Min.Order) | Order Sample |
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| 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 are the advantages of using rotary vane compressors?
Rotary vane compressors offer several advantages that make them a popular choice for various applications. These compressors are widely used in industries where a reliable and efficient source of compressed air is required. Here are the advantages of using rotary vane compressors:
1. Compact and Lightweight:
Rotary vane compressors are typically compact and lightweight compared to other types of compressors. Their compact design makes them suitable for installations where space is limited, such as in small workshops or mobile applications. The lightweight nature of these compressors allows for easy transportation and maneuverability.
2. High Efficiency:
Rotary vane compressors are known for their high efficiency. The design of the vanes and the compression chamber allows for smooth and continuous compression, resulting in minimal energy losses. This efficiency translates into lower energy consumption and reduced operating costs over time.
3. Quiet Operation:
Rotary vane compressors operate with relatively low noise levels. The design of the compressor, including the use of vibration damping materials and sound insulation, helps to minimize noise and vibrations during operation. This makes rotary vane compressors suitable for applications where noise reduction is important, such as in indoor environments or noise-sensitive areas.
4. Oil Lubrication:
Many rotary vane compressors utilize oil lubrication, which provides several benefits. The oil lubrication helps to reduce wear and friction between the moving parts, resulting in extended compressor life and improved reliability. It also contributes to better sealing and improved efficiency by minimizing internal leakage.
5. Versatile Applications:
Rotary vane compressors are versatile and can be used in a wide range of applications. They are suitable for both industrial and commercial applications, including automotive workshops, small manufacturing facilities, dental offices, laboratories, and more. They can handle various compressed air requirements, from light-duty tasks to more demanding applications.
6. Easy Maintenance:
Maintenance of rotary vane compressors is relatively straightforward. Routine maintenance tasks typically include oil changes, filter replacements, and periodic inspection of vanes and seals. The simplicity of the design and the availability of replacement parts make maintenance and repairs easier and more cost-effective.
These advantages make rotary vane compressors an attractive choice for many applications, providing reliable and efficient compressed air solutions.
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Can air compressors be integrated into automated systems?
Yes, air compressors can be integrated into automated systems, providing a reliable and versatile source of compressed air for various applications. Here’s a detailed explanation of how air compressors can be integrated into automated systems:
Pneumatic Automation:
Air compressors are commonly used in pneumatic automation systems, where compressed air is utilized to power and control automated machinery and equipment. Pneumatic systems rely on the controlled release of compressed air to generate linear or rotational motion, actuating valves, cylinders, and other pneumatic components. By integrating an air compressor into the system, a continuous supply of compressed air is available to power the automation process.
Control and Regulation:
In automated systems, air compressors are often connected to a control and regulation system to manage the compressed air supply. This system includes components such as pressure regulators, valves, and sensors to monitor and adjust the air pressure, flow, and distribution. The control system ensures that the air compressor operates within the desired parameters and provides the appropriate amount of compressed air to different parts of the automated system as needed.
Sequential Operations:
Integration of air compressors into automated systems enables sequential operations to be carried out efficiently. Compressed air can be used to control the timing and sequencing of different pneumatic components, ensuring that the automated system performs tasks in the desired order and with precise timing. This is particularly useful in manufacturing and assembly processes where precise coordination of pneumatic actuators is required.
Energy Efficiency:
Air compressors can contribute to energy-efficient automation systems. By incorporating energy-saving features such as Variable Speed Drive (VSD) technology, air compressors can adjust their power output according to the demand, reducing energy consumption during periods of low activity. Additionally, efficient control and regulation systems help optimize the use of compressed air, minimizing waste and improving overall energy efficiency.
Monitoring and Diagnostics:
Integration of air compressors into automated systems often includes monitoring and diagnostic capabilities. Sensors and monitoring devices can be installed to collect data on parameters such as air pressure, temperature, and system performance. This information can be used for real-time monitoring, preventive maintenance, and troubleshooting, ensuring the reliable operation of the automated system.
When integrating air compressors into automated systems, it is crucial to consider factors such as the specific requirements of the automation process, the desired air pressure and volume, and the compatibility of the compressor with the control and regulation system. Consulting with experts in automation and compressed air systems can help in designing an efficient and reliable integration.
In summary, air compressors can be seamlessly integrated into automated systems, providing the necessary compressed air to power and control pneumatic components, enabling sequential operations, and contributing to energy-efficient automation processes.
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What are the key components of an air compressor system?
An air compressor system consists of several key components that work together to generate and deliver compressed air. Here are the essential components:
1. Compressor Pump: The compressor pump is the heart of the air compressor system. It draws in ambient air and compresses it to a higher pressure. The pump can be reciprocating (piston-driven) or rotary (screw, vane, or scroll-driven) based on the compressor type.
2. Electric Motor or Engine: The electric motor or engine is responsible for driving the compressor pump. It provides the power necessary to operate the pump and compress the air. The motor or engine’s size and power rating depend on the compressor’s capacity and intended application.
3. Air Intake: The air intake is the opening or inlet through which ambient air enters the compressor system. It is equipped with filters to remove dust, debris, and contaminants from the incoming air, ensuring clean air supply and protecting the compressor components.
4. Compression Chamber: The compression chamber is where the actual compression of air takes place. In reciprocating compressors, it consists of cylinders, pistons, valves, and connecting rods. In rotary compressors, it comprises intermeshing screws, vanes, or scrolls that compress the air as they rotate.
5. Receiver Tank: The receiver tank, also known as an air tank, is a storage vessel that holds the compressed air. It acts as a buffer, allowing for a steady supply of compressed air during peak demand periods and reducing pressure fluctuations. The tank also helps separate moisture from the compressed air, allowing it to condense and be drained out.
6. Pressure Relief Valve: The pressure relief valve is a safety device that protects the compressor system from over-pressurization. It automatically releases excess pressure if it exceeds a predetermined limit, preventing damage to the system and ensuring safe operation.
7. Pressure Switch: The pressure switch is an electrical component that controls the operation of the compressor motor. It monitors the pressure in the system and automatically starts or stops the motor based on pre-set pressure levels. This helps maintain the desired pressure range in the receiver tank.
8. Regulator: The regulator is a device used to control and adjust the output pressure of the compressed air. It allows users to set the desired pressure level for specific applications, ensuring a consistent and safe supply of compressed air.
9. Air Outlet and Distribution System: The air outlet is the point where the compressed air is delivered from the compressor system. It is connected to a distribution system comprising pipes, hoses, fittings, and valves that carry the compressed air to the desired application points or tools.
10. Filters, Dryers, and Lubricators: Depending on the application and air quality requirements, additional components such as filters, dryers, and lubricators may be included in the system. Filters remove contaminants, dryers remove moisture from the compressed air, and lubricators provide lubrication to pneumatic tools and equipment.
These are the key components of an air compressor system. Each component plays a crucial role in the generation, storage, and delivery of compressed air for various industrial, commercial, and personal applications.
editor by CX 2024-05-09
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