Product Description
185kw 250hp Water Lubricated Direct Driven Oil-Free Single Rotary Screw Air Compressor
1.About GREAT:
GREAT air compressor, as 1 leading manufacture &exporter for screw air compressor in China. Founded in 1957 years, coving 20000 square meters. With over 200 skilled employees and 20 R&D research engineers, we focus on the research, production, sales and service for screw air compressor and relative products .Our goal is to provide the high grade and most energy saving compressor for the world customer.
Our main products including screw air compressor, air dryer, air tanker, line filters and other relative compressed air products etc. we passed ISO and CE certificate. Germany standard and 60 years industry experience help us win the domestic and foreign customers praise .From 2016 opened to the world, now exporting to more than 100 countries. We have established a huge sales and service network at home and abroad. We can provide satisfied service such as consulting, training, repairing, spare parts suppling, etc.
“GREAT” as famous china brand for air compressor, our mission is to become a world-famous high-end brand and service for oversea customers. Welcome more oversea agents, dealers and distributors to join us. We also can do the OEM service for big customers
Accoring to the busniness tenet of “high efficiency,engeryg saving, realiability and durable ” GREAT provide you with high-quality products and timely service as well as customized compressed air system solutions.
2. performance characteristics for water- lubricated oil free screw air compressor :
3. Advantages for oil-free water lubrication screw air compressor:
1). No oil, cleaner
The whole air compressor does not need to add any lubricating oil inside to make the outlet gas cleaner.
2). Stainless steel, safer
The parts in contact with compressed air in the system are made of 304 or 316 stainless steel to prevent pollution in the compression process and ensure the safety of gas.
3). low speed, high efficiency, more environmental protection
The main engine and motor are connected by elastic coupling, and there is no gearbox and other variable speed device, which makes the main engine and motor rotate at the same speed, reducing noise and vibration less.
The compression temperature of the host machine is about 50ºC, close to isothermal compression, effectively reducing energy consumption.
Using water as a lubricant, the entire life cycle of the equipment does not produce any waste oil discharge.
4).Simple structure and low maintenance cost
The machine structure is simple, easy to maintain, only need to replace the air rate and water filter element, no lubricating oil, greatly reduce the maintenance cost.
4. Details for GREAT oil free water lubricated screw air compressor :
5.Technical Parameters for oil-free water lubrication screw air compressor:
| Model | Max work pressure (Mpa) | Flow air capacity (m³/min) | Motor power (kw) | Noise (dB) |
Pipe dia. Of cooling water | Cooling water volume (T/H) |
Lubricate water volume | Dimension LXWXH (mm) |
Weight (kg) |
Air outlet |
| TKW-5VA/W | 0.8 | 0.3~0.78 | 5.5 | 58 | 3/4″ | 1.5 | 10 | 800x800x1100 | 460 | 3/4″ |
| 1.0 | 0.2~0.65 | |||||||||
| TKW-7VA/W | 0.8 | 0.35~1.17 | 7.5 | 58 | 3/4″ | 1.5 | 10 | 800x800x1100 | 510 | 3/4″ |
| 1.0 | 0.3~1.05 | |||||||||
| 1.25 | 0.24~0.81 | |||||||||
| TKW-11VA/W | 0.8 | 0.54~1.65 | 11 | 60 | 1″ | 2.5 | 26 | 1200x760x1300 | 620 | 3/4″ |
| 1.0 | 0.45~1.42 | |||||||||
| 1.25 | 0.35~1.10 | |||||||||
| TKW-15VA/W | 0.8 | 0.75~2.43 | 15 | 63 | 1″ | 3.5 | 26 | 1200x760x1300 | 670 | 3/4″ |
| 1.0 | 0.65~2.17 | |||||||||
| 1.25 | 0.6~1.80 | |||||||||
| TKW-18VA/W | 0.8 | 0.9~3.13 | 18.5 | 65 | 1″ | 4 | 30 | 1400x900x1450 | 730 | 1″ |
| 1.0 | 0.9~2.82 | |||||||||
| 1.25 | 0.6~2.05 | |||||||||
| TKW-22VA/W | 0.8 | 1.1~3.52 | 22 | 65 | 1″ | 5 | 30 | 1400x900x1450 | 780 | 1″ |
| 1.0 | 0.97~3.21 | |||||||||
| 1.25 | 0.85~2.78 | |||||||||
| TKW-30VA/W | 0.8 | 1.55~5.12 | 30 | 67 | 1 1/2″ | 7 | 40 | 1550X1150X1500(A) 1500X1150X1300(W) |
1150 | 1 1/4″ |
| 1.0 | 1.255~4.43 | |||||||||
| 1.25 | 1.1~3.63 | |||||||||
| TKW-37VA/W | 0.8 | 1.91~6.30 | 37 | 67 | 1 1/2″ | 9 | 40 | 1550X1150X1500(A) 1500X1150X1300(W) |
1200 | 1 1/4″ |
| 1.0 | 1.60~5.33 | |||||||||
| 1.25 | 1.42~4.77 | |||||||||
| TKW-45VW | 0.8 | 2.5~7.4 | 45 | 68 | 1 1/2″ | 10 | 90 | 1800x1300x1750(A) 1800x1300x1680(W) |
1490 | 2″ |
| 1.0 | 1.91~6.30 | |||||||||
| 1.25 | 1.70~5.56 | |||||||||
| TKW-55VW | 0.8 | 3.0~9.76 | 55 | 70 | 1 1/2″ | 12 | 100 | 1980x1300x1750(A) 1800x1300x1680(W) |
1570 | 2″ |
| 1.0 | 2.60~8.55 | |||||||||
| 1.25 | 2.30~7.67 | |||||||||
| TKW-75VW | 0.8 | 3.95~13.00 | 75 | 73 | 1 1/2″ | 18 | 100 | 1800x1300x1750(W) | 1750 | 2″ |
| 1.0 | 3.4~11.50 | |||||||||
| 1.25 | 3.0~9.70 | |||||||||
| TKW-90VW | 0.8 | 5.0~14.8 | 90 | 73 | 1 1 /2″ | 20 | 120 | 2200x1550x1800 | 2450 | 2 1/2″ |
| 1.0 | 4.30~13.90 | |||||||||
| 1.25 | 3.72~12.60 | |||||||||
| TKW-110VW | 0.8 | 6.0~19.85 | 110 | 78 | 2″ | 24 | 120 | 2200x1550x1800 | 2580 | 2 1/2″
|
| 1.0 | 5.0~16.66 | |||||||||
| 1.25 | 4.65~15.56 | |||||||||
| TKW-132VW | 0.8 | 6.75~23.10 | 132 | 78 | 2″ | 30 | 120 | 2200x1550X1800 | 2700 | 2 1/2″ |
| 1.0 | 6.0~19.97 | |||||||||
| 1.25 | 5.07~16.90 | |||||||||
| TKW-160VW | 0.8 | 8.5~28.11 | 160 | 80 | 3″ | 35 | 160 | 3000X1800X2100 | 3900 | 3″ |
| 1.0 | 7.6~25.45 | |||||||||
| 1.25 | 6.7~22.52 | |||||||||
| TKW-185VW | 0.8 | 10~33.97 | 185 | 80 | 3″ | 38 | 160 | 3000X1800X2100 | 4050 | 3″ |
| 1.0 | 8.72~29.00 | |||||||||
| 1.25 | 7.75~25.21 | |||||||||
| TKW-200VW | 0.8 | 11.2~36.75 | 200 | 80 | 4″ | 42 | 200 | 3100X1850X2100 | 4200 | 4″ |
| 1.0 | 9.68~32.78 | |||||||||
| 1.25 | 9.2~29.24 | |||||||||
| TKW-220VW | 0.8 | 12.2~39.67 | 220 | 80 | 4″ | 47 | 200 | 3100X1850X2100 | 4400 | 4″ |
| 1.0 | 11.2~36.75 | |||||||||
| 1.25 | 9.0~29.63 | |||||||||
| TKW-250VW | 0.8 | 13.5~43.5 | 250 | 80 | 4″ | 53 | 200 | 3100X1850X2100 | 4800 | 4″ |
| 1.0 | 12.2~39.30 | |||||||||
| 1.25 | 10.2~34 |
4.Application :
6.Certification :
7. Packing and shipping :
8. FAQ Industrial Lubricated High Pressure Screw Air Compressor
Q1: Are you factory or trade company?
A1: We are factory.
Q2: Warranty terms of your machine?
A2: One year warranty for the machine and technical support according to your needs.
Q3: Will you provide some spare parts of the machines?
A3: Yes, of course.
Q4: How long will you take to arrange production?
A4: 380V 50HZ we can delivery the goods within 20 days. Other electricity or other color we will delivery within 30 days.
Q5: Can you accept OEM orders?
A5: Yes, with professional design team, OEM orders are highly welcome!
9. Contact :
| Lubrication Style: | Oil-free |
|---|---|
| Cooling System: | Water Cooling |
| Power Source: | AC Power |
| Cylinder Position: | Vertical |
| Structure Type: | Closed Type |
| Installation Type: | Stationary Type |
| Customization: |
Available
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Are There Specific Water Treatment Requirements for Water-Lubricated Compressors?
Water-lubricated compressors often have specific water treatment requirements to ensure optimal performance, prevent equipment damage, and maintain the desired water quality. Here’s a detailed explanation of the water treatment considerations for water-lubricated compressors:
Water Quality:
- Purity: The water used for lubrication should be clean and free from impurities, contaminants, or excessive minerals. Impurities in the water can lead to corrosion, blockages, and reduced lubrication effectiveness. Water sources should be evaluated to ensure they meet the required purity standards.
- Chemical Composition: The chemical composition of the water should be within acceptable limits to avoid any adverse reactions with compressor components or lubricants. Certain water characteristics, such as pH, alkalinity, hardness, and conductivity, need to be monitored and controlled to prevent issues like scaling, fouling, or chemical reactions.
Water Treatment Methods:
- Filtration: Filtration systems are commonly used to remove particulate matter, sediment, or debris from the water. Filters can range from simple strainers to more advanced filtration systems, depending on the specific water quality requirements and the level of filtration needed.
- Water Softening: If the water has high levels of hardness minerals, such as calcium and magnesium, water softening methods may be necessary. Water softeners use ion exchange or other processes to remove the hardness minerals, which can help prevent scaling and reduce the risk of deposits in the compressor system.
- Reverse Osmosis (RO): Reverse osmosis is a water treatment method that uses a semi-permeable membrane to remove dissolved solids, ions, and impurities from the water. RO systems can effectively reduce the total dissolved solids (TDS) and improve the overall water quality, making it suitable for water-lubricated compressors.
- Chemical Treatment: In some cases, chemical treatments may be required to control water chemistry parameters, such as pH or alkalinity. Chemical additives can be used to adjust or stabilize water chemistry within the desired range, preventing corrosion, scaling, or other issues.
Water treatment requirements for water-lubricated compressors can vary depending on factors such as the compressor design, operating conditions, water source quality, and specific application requirements. It is essential to consult the compressor manufacturer’s recommendations and guidelines regarding water treatment. The manufacturer’s guidelines will provide specific information on water quality limits, treatment methods, and any required maintenance procedures related to water treatment.
Regular monitoring of water quality, including periodic testing and analysis, is recommended to ensure that the water treatment measures are effective and the desired water quality is maintained. Water treatment systems should be properly maintained and periodically serviced to ensure their optimal performance and prevent any potential issues that could affect the operation and longevity of water-lubricated compressors.
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How Are Water-Lubricated Air Compressors Used in Automotive Applications?
Water-lubricated air compressors find various applications in the automotive industry. Here’s a detailed explanation of how they are used in automotive applications:
Tire Inflation:
- Service Stations: Water-lubricated air compressors are commonly used in automotive service stations for tire inflation. They provide a reliable source of compressed air for quickly and efficiently inflating tires to the recommended pressure. The water lubrication system in these compressors helps to reduce friction and wear on internal components, ensuring smooth operation and extended lifespan.
- Tire Shops: Tire shops often utilize water-lubricated air compressors as part of their tire service equipment. These compressors can supply compressed air for tire inflation, tire mounting and demounting machines, and other pneumatic tools used in tire service and maintenance.
Painting and Finishing:
- Spray Painting: Water-lubricated air compressors are also used in automotive painting and finishing processes. Compressed air is used to power spray guns that apply paint or coatings to vehicles during the painting process. The water lubrication system helps maintain the cleanliness of the compressor and prevents oil contamination, ensuring high-quality paint finishes.
- Sanding and Polishing: Compressed air is often used for sanding and polishing automotive surfaces. Water-lubricated air compressors provide a reliable source of compressed air for pneumatic sanders, polishers, and other air-powered tools used in automotive surface preparation and refinishing.
Brake and Suspension Systems:
- Brake Bleeding: Water-lubricated air compressors can be used during brake bleeding procedures in automotive repair and maintenance. Compressed air is used to purge air bubbles from the brake system, ensuring optimal brake performance and pedal feel. The water lubrication system helps maintain the purity of the compressed air, preventing contamination that could affect the brake system’s functionality.
- Suspension Systems: Air suspension systems in vehicles often rely on compressed air for operation. Water-lubricated air compressors provide a continuous supply of clean and lubricated compressed air for inflating and maintaining the air springs or airbags used in vehicle suspensions.
Diagnostic and Testing Equipment:
- Diagnostic Tools: Water-lubricated air compressors are utilized in automotive diagnostic and testing equipment. Compressed air is used to operate pneumatic diagnostic tools, such as vacuum testers, pressure gauges, and leak detectors, that help diagnose and troubleshoot various vehicle systems.
- Testing and Calibration: Automotive testing and calibration equipment, such as dynamometers and emission testing devices, often require a source of compressed air. Water-lubricated air compressors supply the necessary compressed air for precise and accurate testing of vehicle performance, emissions, and other parameters.
Overall, water-lubricated air compressors play a significant role in various automotive applications, including tire inflation, painting and finishing, brake and suspension systems, and diagnostic and testing equipment. Their use helps ensure efficient and reliable operation, improved productivity, and high-quality results in automotive service, repair, and manufacturing processes.
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How Is Water Quality Crucial for the Performance of These Compressors?
Water quality plays a crucial role in the performance of water-lubricated air compressors. The quality of the water used for lubrication directly impacts the efficiency, reliability, and lifespan of these compressors. Here are the key reasons why water quality is essential for optimal compressor performance:
- Lubrication effectiveness: Water serves as the lubricant in water-lubricated air compressors. The water forms a protective film between moving parts, reducing friction and wear. However, if the water contains impurities or contaminants, it can compromise the lubricating properties. Impurities like minerals, sediments, or dissolved solids can hinder the formation of an effective lubricating film, leading to increased friction and potential damage to the compressor components.
- Corrosion prevention: Water with high mineral content, such as hard water, can promote corrosion within the compressor system. Minerals like calcium and magnesium can react with metal surfaces, leading to rust, scale formation, and degradation of internal components. Corrosion compromises the structural integrity of the compressor, reduces its efficiency, and may result in costly repairs or even premature failure.
- Preventing blockages: Poor water quality can result in the accumulation of sediments, debris, or contaminants within the compressor system. These deposits can block water passages, filters, or valves, impeding the flow of water and affecting the overall performance of the compressor. Restricted water flow may lead to inadequate cooling, reduced lubrication, and compromised efficiency.
- Preventing fouling and fouling-related issues: Fouling refers to the accumulation of organic or inorganic deposits on heat transfer surfaces, such as heat exchangers or radiators, within the compressor system. Poor water quality can contribute to fouling, reducing heat transfer efficiency and impairing the cooling capacity of the compressor. This can result in elevated operating temperatures, decreased performance, and potential damage to the compressor.
- System cleanliness: Clean water is crucial for maintaining a clean and sanitary compressor system, especially in industries like food and beverage or medical applications. Contaminated water can introduce harmful bacteria, microorganisms, or particles into the compressor, posing a risk to product quality, safety, or patient well-being.
To ensure optimal performance and longevity of water-lubricated air compressors, it is important to monitor and maintain the quality of the water used for lubrication. Regular water analysis, proper filtration, and appropriate water treatment measures should be employed to remove impurities, control mineral content, and maintain the desired water quality. By ensuring clean and high-quality water, the compressor can operate efficiently, minimize the risk of component damage, and contribute to a reliable and safe compressed air system.


editor by CX 2023-11-21