China OEM 50 / 60 Hz Shanghai Factory Water Injected Oil Free Air Compressor for Sale air compressor price

Product Description

Water-lubricated Oil-free Screw Air Compressor Advantages

1.Clean air 100% oil-free
 
2.Use water instead of oil, higher cooling efficiency and compression efficiency
 
3.Optimal isothermal compression
 
4.Powerful MAM microcomputer controller and touch screen
 
5.Reasonable Structure, with perfect balancing
 
6.Components made of anti-rust and anti-corrosion materials ensure the durability
 
7.Significant energy saving, environmental-friendly and pollution-free
 
8.Designed especially for medical, pharmacy, instrument, coating, chemical industry and food processing, etc.

DENAIR Water-lubricated Oil Free Screw Air Compressor In Hannover Messe 2017 

Technical Parameters Of Water-lubricated Oil-free Screw Air Compressor

Model Maximum working 
pressure
Capacity(FAD)* Installed motor
 power
Noise
 Level**
Dimensions
 (mm)
Weight Air Outlet 
Pipe Diameter
50 Hz 60 Hz
bar(e) psig m3/min cfm m3/min cfm kW hp dB(A) L W H kG
DAW-15 7.5 109 2 71 1.48 52 15 20 63 1200 900 1200 650 G1″
8.5 123 1.94 69 1.46 52 15 20 63 1600 1100 1500 650 G1″
10.5 152 1.66 59 1.42 50 15 20 63 1200 900 1200 650 G1″
DAW-18 7.5 109 2.81 99 2.4 85 18.5 25 66 1600 1100 1500 800 G1″
8.5 123 2.7 95 2.33 82 18.5 25 66 1600 1100 1500 800 G1″
10.5 152 2.19 77 1.99 70 18.5 25 66 1600 1100 1500 800 G1″
DAW-22 7.5 109 3.48 123 3.37 119 22 30 66 1600 1100 1500 850 G1″
8.5 123 3.46 122 3.24 114 22 30 66 1600 1100 1500 850 G1″
10.5 152 2.73 96 2.63 93 22 30 66 1600 1100 1500 850 G1″
DAW-30 7.5 109 5.27 186 4.18 148 30 40 69 1600 1100 1500 920 G1-1/2″
8.5 123 5.15 182 4.15 147 30 40 69 1600 1100 1500 920 G1-1/2″
10.5 152 3.55 125 3.28 116 30 40 69 1600 1100 1500 920 G1-1/2″
DAW-37 7.5 109 6.5 229 6.33 223 37 50 69 1600 1100 1500 950 G1-1/2″
8.5 123 6.26 221 6.18 218 37 50 69 1600 1100 1500 950 G1-1/2″
10.5 152 5.21 184 4.26 151 37 50 69 1600 1100 1500 950 G1-1/2″
DAW-45 7.5 109 8.2 289 7.8 275 45 60 69 2200 1400 1800 1700 DN50
8.5 123 7.81 276 7.51 265 45 60 69 2200 1400 1800 1700 DN50
10.5 152 6.23 220 6.25 221 45 60 69 2200 1400 1800 1700 DN50
DAW-45W 7.5 109 8.2 289 7.8 275 45 60 66 2200 1400 1800 1500 DN50
8.5 123 7.81 276 7.51 265 45 60 66 2200 1400 1800 1500 DN50
10.5 152 6.23 220 6.25 221 45 60 66 2200 1400 1800 1500 DN50
DAW-55 7.5 109 9.32 329 7.8 347 55 75 69 2200 1400 1800 1800 DN50
8.5 123 8.86 313 7.51 331 55 75 69 2200 1400 1800 1800 DN50
10.5 152 7.78 275 6.25 264 55 75 69 2200 1400 1800 1800 DN50
DAW-55W 7.5 109 9.32 329 9.84 347 55 75 66 2200 1400 1800 1800 DN50
8.5 123 8.86 313 9.37 331 55 75 66 2200 1400 1800 1800 DN50
10.5 152 7.78 275 7.48 264 55 75 66 2200 1400 1800 1800 DN50
DAW-75 7.5 109 12.41 438 11.19 395 75 100 73 2350 1400 1800 1800 DN50
8.5 123 12.39 438 10.63 375 75 100 73 2350 1400 1800 1800 DN50
10.5 152 10.45 369 9.33 330 75 100 73 2350 1400 1800 1800 DN50
DAW-75W 7.5 109 12.41 438 11.19 395 75 100 71 2200 1400 1800 1800 DN50
8.5 123 12.39 438 10.63 375 75 100 71 2200 1400 1800 1800 DN50
10.5 152 10.45 369 9.33 330 75 100 71 2200 1400 1800 1800 DN50
DAW-90W 7.5 109 16.48 582 15.39 543 90 120 73 2400 1700 1800 1800 DN65
8.5 123 16.36 578 15.24 538 90 120 73 2400 1700 1800 1800 DN65
10.5 152 12.82 453 12.52 442 90 120 73 2400 1700 1800 1800 DN65
DAW-110W 7.5 109 20.45 722 19.78 698 110 150 73 2400 1700 1800 1800 DN65
8.5 123 19.82 100 19.63 693 110 150 73 2400 1700 1800 1800 DN65
10.5 152 15.55 549 15.35 542 110 150 73 2400 1700 1800 1800 DN65
DAW-132W 7.5 109 21.99 776 24.53 886 132 175 76 2400 1700 1800 1800 DN65
8.5 123 21.94 775 23.78 840 132 175 76 2400 1700 1800 1800 DN65
10.5 152 19.79 699 18.66 659 132 175 76 2400 1700 1800 1800 DN65

*) FAD in accordance with ISO 1217 : 2009, Annex C: Absolute intake pressure 1 bar (a), cooling and air intake temperature 20 °C
**) Noise level as per ISO 2151 and the basic standard ISO 9614-2, operation at maximum operating pressure and maximum speed; tolerance: ± 3 dB(A)

DENAIR Factory

At DENAIR, we earn our customers’ trust and satisfaction by manufacturing the superior quality compressed air products for all industries. All of our products are designed for reliable performance, easy maintenance, and maximum energy efficiency. CHINAMFG has been exporting to more than 90 countries across the globe. We have sales representatives who can speak English, Spanish, French, Russian and Arabic, which makes it easier for our clients from all over the world to interact and negotiate with us. 

 

DENAIR Services

DENAIR Oil Free Screw Air Compressor Application and Installation

FAQ

Q1: Are you factory or trade company?  
A1: We are factory.

Q2: What the exactly address of your factory? 
A2:Our company is located in No. 6767, Tingfeng Rd. Xihu (West Lake) Dis.n District, ZheJiang  201502, China
And our factory is located in No. 366, YangzhuangBang Street, Pingxing Rd.,Xindai Town, HangZhou, ZHangZhoug Province, China

Q3: Warranty terms of your machine? 
A3: Two years warranty for the machine and technical support according to your needs.

Q4: Will you provide some spare parts of the machines? 
A4: Yes, of course.

Q5: How long will you take to arrange production? 
A5: 380V 50HZ we can delivery the goods within 10 days. Other electricity or other color we will delivery within 22 days

Q6: Can you accept OEM orders? 
A6: Yes, with professional design team, OEM orders are highly welcome.
 

Lubrication Style: Oil-free
Cooling System: Air Cooling/Water Cooling
Power Source: AC Power
Customization:
Available

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Currency: US$
Return&refunds: You can apply for a refund up to 30 days after receipt of the products.

air compressor

What Is the Role of Air Dryers in Oil-Free Air Compressor Systems?

Air dryers play a crucial role in oil-free air compressor systems by removing moisture from the compressed air, ensuring dry and moisture-free output. Here’s a detailed explanation of the role of air dryers in oil-free air compressor systems:

1. Moisture Removal:

One of the primary functions of air dryers in oil-free air compressor systems is to remove moisture from the compressed air. During the compression process, atmospheric air is compressed, leading to an increase in temperature. As the compressed air cools down, the water vapor present in the air can condense, resulting in the formation of liquid water. Moisture in the compressed air can cause a range of issues, including corrosion, damage to pneumatic equipment, reduced efficiency in downstream processes, and contamination of products or processes. Air dryers effectively remove this moisture, ensuring that the compressed air remains dry and free from water vapor.

2. Condensation Prevention:

Air dryers also help prevent condensation from occurring within the compressed air system. By removing moisture from the compressed air, air dryers minimize the chances of condensation forming in the compressed air lines, storage tanks, and downstream equipment. Condensation can lead to the accumulation of water, which can cause blockages, corrosion, and other operational issues. Air dryers help maintain the integrity and reliability of the compressed air system by preventing condensation-related problems.

3. Protection of Equipment:

Moisture in the compressed air can be detrimental to pneumatic equipment and tools. Air dryers help protect this equipment by ensuring that the air supplied is dry and free from moisture. Dry air prevents corrosion of internal components, extends the lifespan of pneumatic tools, and helps maintain their optimal performance. By removing moisture, air dryers contribute to the overall reliability and efficiency of the oil-free air compressor system.

4. Purification of Compressed Air:

Air dryers also aid in the purification of compressed air by removing impurities and contaminants, including water vapor, oil droplets, and solid particles. While the primary purpose of air dryers is to remove moisture, they often incorporate additional filtration stages, such as coalescing filters or desiccant beds, to capture and remove other impurities. These filtration stages work in conjunction with the drying process to deliver clean, dry, and purified compressed air that meets the required air quality standards.

5. Optimal Performance:

Properly dried and moisture-free compressed air ensures optimal performance in various applications. In industries such as food and beverage, pharmaceuticals, electronics manufacturing, and painting, where air quality is critical, the use of air dryers is essential to meet specific air purity requirements. Dry compressed air enhances the efficiency and reliability of pneumatic systems, reducing the risk of malfunctions, downtime, and product contamination.

It’s important to note that different types of air dryers are available for oil-free air compressor systems, including refrigerated dryers, desiccant dryers, and membrane dryers. Each type has its own operating principles and suitability for different applications. The selection of the appropriate air dryer depends on factors such as the required level of dryness, the volume of compressed air, operating conditions, and specific industry requirements.

By incorporating air dryers into oil-free air compressor systems, operators can achieve and maintain dry, moisture-free compressed air, ensuring the reliability, efficiency, and integrity of downstream processes and equipment.

air compressor

What Are the Key Components of an Oil-Free Compressor System?

An oil-free compressor system consists of several key components that work together to compress air without the use of oil. Here’s a detailed explanation of the main components:

1. Air Intake:

The air intake is the entry point where ambient air is drawn into the compressor system. It typically includes a filter to prevent dust, debris, and other contaminants from entering the compressor and ensures clean air for compression.

2. Air Compressor Unit:

The air compressor unit is the core component responsible for compressing the incoming air. In an oil-free compressor system, this unit is designed to operate without the need for lubricating oil. It generally consists of one or more compression stages, each comprising a cylinder, piston, valves, and seals. The compression process raises the pressure of the air, resulting in compressed air output.

3. Compression Cooling System:

During the compression process, the air temperature increases significantly. To prevent overheating and ensure efficient operation, oil-free compressor systems employ cooling systems. These cooling systems can include air cooling or water cooling mechanisms, which help dissipate the heat generated during compression and maintain optimal operating temperatures.

4. Air/Oil Separation System:

An oil-free compressor system employs an air/oil separation system to ensure that no oil is carried over into the compressed air. This system typically consists of specialized filters or separators that remove any residual oil or oil mist from the compressed air before it leaves the compressor system. This separation process ensures that the compressed air remains oil-free.

5. Control and Monitoring Systems:

Modern oil-free compressor systems are equipped with advanced control and monitoring systems. These systems enable precise control of various parameters, such as pressure, temperature, and compressor speed. They also provide real-time monitoring of performance, efficiency, and potential issues. Control and monitoring systems allow for optimized operation, energy efficiency, and proactive maintenance.

6. Air Receiver Tank:

An air receiver tank, also known as a compressed air storage tank, is often included in oil-free compressor systems. The tank serves as a storage reservoir for the compressed air, providing a buffer to meet fluctuating air demand. It helps stabilize the pressure, reduces pressure fluctuations, and allows for more efficient usage of the compressed air in downstream applications.

7. Air Treatment Components:

Depending on the specific application requirements, oil-free compressor systems may include additional air treatment components. These components can include filters, dryers, and condensate management systems. Filters remove particulates and contaminants from the compressed air, while dryers remove moisture to ensure the production of clean, dry, and high-quality compressed air. Condensate management systems handle the separation and disposal of liquid condensate produced during the compression process.

8. Piping and Distribution System:

The piping and distribution system transports the compressed air from the compressor unit to the desired application points. It includes pipes, fittings, valves, and connectors that ensure proper airflow and distribution of the compressed air throughout the system. The piping system should be designed and sized appropriately to minimize pressure drops and optimize efficiency.

These are the fundamental components found in oil-free compressor systems. However, it’s important to note that the specific configuration and additional components may vary depending on the design, capacity, and intended application of the compressor system.

air compressor

How Do Oil-Free Air Compressors Compare to Oil-Lubricated Ones?

When comparing oil-free air compressors to oil-lubricated ones, several factors come into play, including performance, maintenance requirements, air quality, and application suitability. Here’s a detailed comparison between oil-free air compressors and oil-lubricated ones:

1. Oil Contamination:

Oil-lubricated compressors require oil for lubrication and cooling of internal components. However, there is a risk of oil carryover, where small amounts of oil can mix with the compressed air. This oil contamination can have adverse effects on downstream equipment, processes, and end products. In contrast, oil-free air compressors eliminate the risk of oil contamination as they operate without lubricating oil. This makes them suitable for applications that require clean and oil-free compressed air, such as in the food and beverage, pharmaceutical, and electronics industries.

2. Compressed Air Quality:

Oil-lubricated compressors may introduce oil aerosols, vapors, or particles into the compressed air stream. While filters and separators can help mitigate oil contamination, achieving completely oil-free compressed air may be challenging. In contrast, oil-free air compressors deliver clean and dry compressed air without any oil content. They are designed to meet strict air quality standards, such as ISO 8573-1 Class 0, ensuring the highest level of air purity. This makes them ideal for applications where air quality is critical, such as in pharmaceutical manufacturing, research laboratories, and electronics assembly.

3. Maintenance Requirements:

Oil-lubricated compressors require regular maintenance to ensure proper lubrication, filter replacement, and oil changes. The presence of oil also necessitates careful monitoring of oil levels and potential leaks. Maintenance tasks can be more involved and time-consuming compared to oil-free compressors. On the other hand, oil-free air compressors generally have lower maintenance requirements since they don’t require oil changes or oil-related maintenance. However, regular maintenance tasks such as filter replacements and general system checks are still necessary to maintain optimal performance and reliability.

4. Initial Cost and Energy Efficiency:

Oil-lubricated compressors typically have a lower initial cost compared to oil-free compressors. However, oil-free compressors can offer long-term cost savings due to reduced maintenance requirements and lower energy consumption. Oil-lubricated compressors use oil for lubrication, which adds to the energy consumption as the compressor needs to overcome the friction generated by the oil. In contrast, oil-free compressors eliminate the need for oil, resulting in higher energy efficiency and potential energy savings over the compressor’s lifespan.

5. Application Suitability:

The choice between oil-free and oil-lubricated compressors depends on the specific application requirements. Oil-lubricated compressors are often suitable for general industrial applications where compressed air quality is not critical, and oil carryover is acceptable. They are commonly used in manufacturing, construction, and automotive industries. On the other hand, oil-free compressors are essential for applications that demand clean and oil-free compressed air, such as in food processing, pharmaceutical production, electronics manufacturing, and critical research environments.

It’s important to consider the specific needs of the application, industry regulations, and the desired level of compressed air purity when choosing between oil-free and oil-lubricated compressors. Consulting with compressed air experts and considering factors such as air quality requirements, maintenance costs, and long-term energy efficiency can help determine the most suitable compressor type for a particular application.

China OEM 50 / 60 Hz Shanghai Factory Water Injected Oil Free Air Compressor for Sale   air compressor priceChina OEM 50 / 60 Hz Shanghai Factory Water Injected Oil Free Air Compressor for Sale   air compressor price
editor by CX 2023-11-07

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