Product Description
Oilless High Pressure Rotary Portable Mini Industrial Used Movable Single Max Dental AC Oil Screw Part Parts Piston Free Air Pump Compressor
OIL-INJECTED FIXED SPEED COMPRESSOR
| Model | Motor Power kW / hp |
Free Air Delivery m3/min |
Noise Level dB(A) |
Dimension L * W * H mm |
Weight Kg |
|||
| 7barg | 8barg | 10barg | 13barg | |||||
| CWD7 | 7.5 / 10 | 1.3 | 1.2 | 1.0 | 0.8 | 66 | 880*700*920 | 240 |
| CWD11 | 11 / 15 | 1.7 | 1.6 | 1.4 | 1.2 | 68 | 1080*750*1000 | 400 |
| CWD15 | 15 / 20 | 2.5 | 2.3 | 2.1 | 1.9 | 68 | 1080*750*1000 | 420 |
| CWD18 | 18.5 / 25 | 3.2 | 3.0 | 2.7 | 2.4 | 68 | 1280*850*1160 | 550 |
| CWD22 | 22 / 30 | 3.8 | 3.6 | 3.2 | 2.8 | 68 | 1280*850*1160 | 580 |
| CWD30 | 30 / 40 | 5.3 | 5.0 | 4.5 | 4.0 | 68 | 1280*850*1160 | 600 |
| CWD37 | 37 / 50 | 6.8 | 6.2 | 5.6 | 5.0 | 68 | 1400*1000*1290 | 800 |
| CWD45 | 45 / 60 | 8.0 | 7.3 | 7.0 | 5.9 | 72 | 1400*1000*1290 | 850 |
| CWD55 | 55 / 75 | 10.1 | 9.5 | 8.7 | 7.8 | 72 | 1800*1230*1570 | 1660 |
| CWD75 | 75 / 100 | 13.6 | 12.8 | 12.3 | 10.2 | 72 | 1800*1230*1570 | 1800 |
| CWD90 | 90 / 125 | 16.2 | 15.5 | 14.0 | 12.5 | 72 | 1800*1230*1570 | 1900 |
| CWD110 | 110 / 150 | 21.2 | 19.8 | 17.8 | 15.5 | 72 | 2400*1470*1840 | 2500 |
| CWD132 | 132 / 180 | 24.5 | 23.2 | 20.5 | 17.8 | 75 | 2400*1470*1840 | 2700 |
| CWD160 | 160 / 215 | 28.8 | 27.8 | 25.0 | 22.4 | 75 | 2400*1470*1840 | 3000 |
| CWD185 | 185 / 250 | 32.5 | 31.2 | 28.0 | 25.8 | 75 | 3150*1980*2150 | 3500 |
| CWD200 | 200 / 270 | 36.0 | 34.3 | 30.5 | 28.0 | 82 | 3150*1980*2150 | 4000 |
| CWD250 | 250 / 350 | 43.0 | 41.5 | 38.2 | 34.9 | 82 | 3150*1980*2150 | 4500 |
| CWD315 | 315 / 400 | 51.0 | 50.2 | 44.5 | 39.5 | 82 | 3150*1980*2150 | 6000 |
| CWD355 | 355 / 450 | 64.0 | 61.0 | 56.5 | 49.0 | 84 | 3150*1980*2150 | 6500 |
| CWD400 | 400 / 500 | 71.2 | 68.1 | 62.8 | 52.2 | 84 | 3150*1980*2150 | 7200 |
| Model | Motor Power kW / hp |
Free Air Delivery m3/min |
Noise Level dB(A) |
Dimension L * W * H mm |
Weight Kg |
|||
| 7barg | 8barg | 10barg | 13barg | |||||
| CWD7 PM | 7.5 / 10 | 1.3 | 1.2 | 1.0 | 0.8 | 66 | 760*700*920 | 200 |
| CWD11 PM | 11 / 15 | 1.7 | 1.6 | 1.4 | 1.2 | 68 | 980*750*1000 | 350 |
| CWD15 PM | 15 / 20 | 2.5 | 2.3 | 2.1 | 1.9 | 68 | 980*750*1000 | 360 |
| CWD18 PM | 18.5 / 25 | 3.2 | 3.0 | 2.7 | 2.4 | 68 | 1120*850*1160 | 500 |
| CWD22 PM | 22 / 30 | 3.8 | 3.6 | 3.2 | 2.8 | 68 | 1120*850*1160 | 520 |
| CWD30 PM | 30 / 40 | 5.3 | 5.0 | 4.5 | 4.0 | 68 | 1120*850*1160 | 550 |
| CWD37 PM | 37 / 50 | 6.8 | 6.2 | 5.6 | 5.0 | 68 | 1280*1000*1290 | 750 |
| CWD45 PM | 45 / 60 | 8.0 | 7.3 | 7.0 | 5.9 | 72 | 1280*1000*1290 | 780 |
| CWD55 PM | 55 / 75 | 10.1 | 9.5 | 8.7 | 7.8 | 72 | 1800*1230*1570 | 1600 |
| CWD75 PM | 75 / 100 | 13.6 | 12.8 | 12.3 | 10.2 | 72 | 1800*1230*1570 | 1800 |
| CWD90 PM | 90 / 125 | 16.2 | 15.5 | 14.0 | 12.5 | 72 | 1800*1230*1570 | 1900 |
| CWD110 PM | 110 / 150 | 21.2 | 19.8 | 17.8 | 15.5 | 72 | 2400*1470*1840 | 2500 |
| CWD132 PM | 132 / 180 | 24.5 | 23.2 | 20.5 | 17.8 | 75 | 2400*1470*1840 | 2700 |
| CWD160 PM | 160 / 215 | 28.8 | 27.8 | 25.0 | 22.4 | 75 | 2400*1470*1840 | 3000 |
| CWD185 PM | 185 / 250 | 32.5 | 31.2 | 28.0 | 25.8 | 75 | 3150*1980*2150 | 3500 |
| CWD200 PM | 200 / 270 | 36.0 | 34.3 | 30.5 | 28.0 | 82 | 3150*1980*2150 | 4000 |
| CWD250 PM | 250 / 350 | 43.0 | 41.5 | 38.2 | 34.9 | 82 | 3150*1980*2150 | 4500 |
| CWD315 PM | 315 / 400 | 51.0 | 50.2 | 44.5 | 39.5 | 82 | 3150*1980*2150 | 6000 |
| CWD355 PM | 355 / 450 | 64.0 | 61.0 | 56.5 | 49.0 | 84 | 3150*1980*2150 | 6500 |
| CWD400 PM | 400 / 500 | 71.2 | 68.1 | 62.8 | 52.2 | 84 | 3150*1980*2150 | 7200 |
TWO-STAGE OIL-INJECTED COMPRESSOR
| Model | Motor Power kW / hp |
Free Air Delivery m3/min |
Noise Level dB(A) |
Dimension L * W * H mm |
Weight Kg |
|||
| 7barg | 8barg | 10barg | 13barg | |||||
| CWD15-2S | 15 / 20 | 3.0 | 2.9 | 2.4 | 2.2 | 68 | 1480*850*1180 | 780 |
| CWD18-2S | 18.5 / 25 | 3.6 | 3.5 | 2.9 | 2.5 | 68 | 1480*850*1180 | 800 |
| CWD22-2S | 22 / 30 | 4.2 | 4.1 | 3.5 | 3.2 | 68 | 1480*850*1180 | 820 |
| CWD30-2S | 30 / 40 | 6.5 | 6.4 | 4.9 | 4.2 | 68 | 1720*1110*1480 | 1080 |
| CWD37-2S | 37 / 50 | 7.2 | 7.1 | 6.3 | 5.4 | 68 | 1720*1110*1480 | 1100 |
| CWD45-2S | 45 / 60 | 9.8 | 9.7 | 7.8 | 6.5 | 72 | 1720*1110*1480 | 1120 |
| CWD55-2S | 55 / 75 | 12.8 | 12.5 | 9.6 | 8.6 | 72 | 2100*1350*1720 | 2080 |
| CWD75-2S | 75 / 100 | 17.5 | 16.5 | 12.5 | 11.2 | 72 | 2100*1350*1720 | 2100 |
| CWD90-2S | 90 / 125 | 20.8 | 19.8 | 16.9 | 14.3 | 72 | 2460*1700*1900 | 3280 |
| CWD110-2S | 110 / 150 | 24.5 | 23.5 | 19.7 | 17.6 | 72 | 2460*1700*1900 | 3480 |
| CWD132-2S | 132 / 180 | 30.0 | 28.0 | 23.5 | 19.8 | 75 | 2900*1800*2571 | 3980 |
| CWD160-2S | 160 / 215 | 34.5 | 33.6 | 30.0 | 23.8 | 75 | 2900*1800*2571 | 4280 |
| CWD185-2S | 185 / 250 | 41.0 | 38.4 | 32.5 | 28.6 | 75 | 3800*1980*2150 | 5450 |
| CWD200-2S | 200 / 270 | 44.6 | 43.0 | 38.5 | 32.8 | 82 | 3800*1980*2150 | 5600 |
| CWD220-2S | 220 / 300 | 48.6 | 47.0 | 41.0 | 38.0 | 82 | 3800*1980*2150 | 6500 |
| CWD250-2S | 250 / 350 | 55.0 | 54.0 | 46.0 | 40.0 | 82 | 3800*1980*2150 | 6600 |
- Unit measured according to ISO 1217, Annex C, Edition 4 (2009)
Reference conditions:
-Relative humidity 0%
-Absolute inlet pressure: 1 bar (a) (14.5 psi)
-Intake air temperature: 20°C, 68°F
- Noise level measured according to ISO 2151:2004, operation at max. operating pressure and max. speed; tolerance: ±3 dB(A)
- 2S-Two Stage
FAQ
1. Q: Are you a factory or trading company?
A: We are a factory.
2. Q: What’re your payments ?
A: T/T,Western Union,L/C etc.
3. Q: What about the package ?
A: Standard export plywood case or carton.
4. Q: How long is the warranty ?
A: According to international standards, products in standard operation is 1 year,except quick-wear part.
5. Q: The use of products have?
A: The pump can suck the peanut, pickles, tomato slurry, red sausage, chocolate, hops and syrup etc.
The pump can suck the paint, pigment, glue and adhesive etc.
The pump can suck various glazed slurries of tile, porcelain, brick and chinaware etc.
The pump can suck various toxin and flammable or volatility liquid etc.
The pump can suck various strong acid, alkali and corrosive liquid etc.
| After-sales Service: | Oversea Install Service |
|---|---|
| Warranty: | 3 |
| Lubrication Style: | Lubricated |
| Cooling System: | Air Cooling |
| Power Source: | AC Power |
| Cylinder Position: | Horizontal |
| Customization: |
Available
|
|
|---|
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What is the impact of humidity on compressed air quality?
Humidity can have a significant impact on the quality of compressed air. Compressed air systems often draw in ambient air, which contains moisture in the form of water vapor. When this air is compressed, the moisture becomes concentrated, leading to potential issues in the compressed air. Here’s an overview of the impact of humidity on compressed air quality:
1. Corrosion:
High humidity in compressed air can contribute to corrosion within the compressed air system. The moisture in the air can react with metal surfaces, leading to rust and corrosion in pipes, tanks, valves, and other components. Corrosion not only weakens the structural integrity of the system but also introduces contaminants into the compressed air, compromising its quality and potentially damaging downstream equipment.
2. Contaminant Carryover:
Humidity in compressed air can cause carryover of contaminants. Water droplets formed due to condensation can carry particulates, oil, and other impurities present in the air. These contaminants can then be transported along with the compressed air, leading to fouling of filters, clogging of pipelines, and potential damage to pneumatic tools, machinery, and processes.
3. Decreased Efficiency of Pneumatic Systems:
Excessive moisture in compressed air can reduce the efficiency of pneumatic systems. Water droplets can obstruct or block the flow of air, leading to decreased performance of pneumatic tools and equipment. Moisture can also cause problems in control valves, actuators, and other pneumatic devices, affecting their responsiveness and accuracy.
4. Product Contamination:
In industries where compressed air comes into direct contact with products or processes, high humidity can result in product contamination. Moisture in compressed air can mix with sensitive products, leading to quality issues, spoilage, or even health hazards in industries such as food and beverage, pharmaceuticals, and electronics manufacturing.
5. Increased Maintenance Requirements:
Humidity in compressed air can increase the maintenance requirements of a compressed air system. Moisture can accumulate in filters, separators, and other air treatment components, necessitating frequent replacement or cleaning. Excessive moisture can also lead to the growth of bacteria, fungus, and mold within the system, requiring additional cleaning and maintenance efforts.
6. Adverse Effects on Instrumentation:
Humidity can adversely affect instrumentation and control systems that rely on compressed air. Moisture can disrupt the accuracy and reliability of pressure sensors, flow meters, and other pneumatic instruments, leading to incorrect measurements and control signals.
To mitigate the impact of humidity on compressed air quality, various air treatment equipment is employed, including air dryers, moisture separators, and filters. These devices help remove moisture from the compressed air, ensuring that the air supplied is dry and of high quality for the intended applications.
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Are there differences between single-stage and two-stage air compressors?
Yes, there are differences between single-stage and two-stage air compressors. Here’s an in-depth explanation of their distinctions:
Compression Stages:
The primary difference between single-stage and two-stage air compressors lies in the number of compression stages they have. A single-stage compressor has only one compression stage, while a two-stage compressor has two sequential compression stages.
Compression Process:
In a single-stage compressor, the entire compression process occurs in a single cylinder. The air is drawn into the cylinder, compressed in a single stroke, and then discharged. On the other hand, a two-stage compressor utilizes two cylinders or chambers. In the first stage, air is compressed to an intermediate pressure in the first cylinder. Then, the partially compressed air is sent to the second cylinder where it undergoes further compression to reach the desired final pressure.
Pressure Output:
The number of compression stages directly affects the pressure output of the air compressor. Single-stage compressors typically provide lower maximum pressure levels compared to two-stage compressors. Single-stage compressors are suitable for applications that require moderate to low air pressure, while two-stage compressors are capable of delivering higher pressures, making them suitable for demanding applications that require greater air pressure.
Efficiency:
Two-stage compressors generally offer higher efficiency compared to single-stage compressors. The two-stage compression process allows for better heat dissipation between stages, reducing the chances of overheating and improving overall efficiency. Additionally, the two-stage design allows the compressor to achieve higher compression ratios while minimizing the work done by each stage, resulting in improved energy efficiency.
Intercooling:
Intercooling is a feature specific to two-stage compressors. Intercoolers are heat exchangers placed between the first and second compression stages. They cool down the partially compressed air before it enters the second stage, reducing the temperature and improving compression efficiency. The intercooling process helps to minimize heat buildup and reduces the potential for moisture condensation within the compressor system.
Applications:
The choice between a single-stage and two-stage compressor depends on the intended application. Single-stage compressors are commonly used for light-duty applications such as powering pneumatic tools, small-scale workshops, and DIY projects. Two-stage compressors are more suitable for heavy-duty applications that require higher pressures, such as industrial manufacturing, automotive service, and large-scale construction.
It is important to consider the specific requirements of the application, including required pressure levels, duty cycle, and anticipated air demand, when selecting between a single-stage and two-stage air compressor.
In summary, the main differences between single-stage and two-stage air compressors lie in the number of compression stages, pressure output, efficiency, intercooling capability, and application suitability.
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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 2023-11-07
China OEM CHINAMFG Customized Multi-Configurations Low Noise Oil Free Screw Engineering Air Compressor with Double Air Tank air compressor oil
Product Description
Oppair Customized Multi-Configurations Low Noise Oil Free Screw Engineering Air Compressor With Double Air Tank
FAQ~
Q1: Why do customers choose us?
A: ZheJiang CHINAMFG Machinery Manufacturing Co., Ltd. has a history of 16 years. We specialize in the production of screw air compressors. We warmly welcome your small trial orders for quality or market testing, and we offer special services.
Q2: Are you a manufacturer or a trading company?
A: We are a professional manufacturer with a large modern factory in HangZhou, China. OEM and ODM services can be accepted.
Q3: What is your delivery time?
A: 380V 50HZ We can ship within 10 days. It takes 20 days for other voltages, if you need to rush, please contact our sales staff in advance.
Q4: How long is the warranty period of your air compressor?
A: One year for the whole machine and 2 years for the screw host, excluding consumables.
Q5: How long can your air compressor last?
A: More than 10 years under normal use.
Q6: What are the payment terms?
A: T/T, L/C, Western Union, Credit Card, etc. We can also accept USD, RMB, EUR and other currencies.
Q7: Will you provide some spare parts for the machine?
A: Yes, of course.
Q8: Can you accept OEM orders?
A: Yes, with a professional design team, OEM orders are very welcome.
Q9: What kind of trade terms can you accept?
A: Available trade terms: FOB, CIF, EXW, etc.
Q10: How about the product packaging?
A: We strictly pack our products in standard airworthy boxes.
| Oppair Customized Multi-Configurations Low Noise Oil Free Screw Engineering Air Compressor With Double Air Tank |
| After-sales Service: | 1year |
|---|---|
| Warranty: | 1year |
| Lubrication Style: | Oil-less |
| Cooling System: | Air Cooling |
| Power Source: | AC Power |
| Cylinder Position: | Angular |
| Samples: |
US$ 2865/Piece
1 Piece(Min.Order) | |
|---|
| Customization: |
Available
|
|
|---|
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What Are the Safety Considerations When Using Water-Lubricated Compressors?
When using water-lubricated compressors, it is important to prioritize safety to prevent accidents, ensure the well-being of personnel, and maintain the integrity of the equipment. Here’s a detailed explanation of the safety considerations:
- Electrical Safety: Compressed air systems, including water-lubricated compressors, often involve electrical components and connections. Ensure that the electrical systems are properly installed, grounded, and protected according to applicable electrical codes and regulations. Regularly inspect electrical components, such as motors, switches, and wiring, for any signs of damage or wear that could pose electrical hazards.
- Pressure Safety: Water-lubricated compressors can operate at high pressures, presenting potential hazards. Follow the manufacturer’s guidelines and ratings to ensure that the compressor is operated within its specified pressure limits. Install and maintain pressure relief valves to prevent overpressurization and ensure the safe release of excess pressure. Regularly inspect pressure gauges, fittings, and connections for leaks, damage, or signs of degradation.
- Heat and Cooling Safety: Compressed air systems generate heat during the compression process, and proper cooling is essential to maintain safe operating temperatures. Ensure that cooling mechanisms, such as water jackets or external cooling systems, are functioning correctly and provide adequate cooling capacity. Monitor and control the temperature of the compressed air and the cooling water to prevent overheating and minimize the risk of equipment damage or failure.
- Water Quality and Treatment: The quality of the water used for lubrication is crucial for the performance and safety of water-lubricated compressors. Impurities, contaminants, or minerals in the water can lead to corrosion, blockages, or reduced lubrication effectiveness. Implement appropriate water treatment or filtration systems to maintain the desired water quality. Regularly monitor water quality and perform necessary maintenance and treatment to prevent potential safety and performance issues.
- Maintenance and Inspection: Establish a routine maintenance and inspection program for the water-lubricated compressor system. Regularly inspect the compressor, water distribution system, filters, and other components for any signs of wear, damage, or deterioration. Follow the manufacturer’s recommended maintenance procedures, including lubrication, filter replacement, and system checks. Promptly address any identified issues to prevent safety hazards and maintain the reliable operation of the compressor.
- Training and Personal Protective Equipment (PPE): Proper training of personnel who operate and maintain water-lubricated compressors is essential for safety. Ensure that operators and maintenance personnel are trained on the safe operation of the equipment, emergency procedures, and hazard identification. Provide appropriate personal protective equipment (PPE), such as safety glasses, gloves, and hearing protection, to minimize the risk of injuries from potential hazards, including high-pressure water, rotating parts, or noise.
It is important to consult applicable safety regulations, codes, and guidelines specific to your location and industry when using water-lubricated compressors. Additionally, follow the manufacturer’s instructions, warnings, and safety recommendations provided with the equipment to ensure the safe operation of water-lubricated compressors and mitigate potential risks.
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What Are the Considerations for Choosing Water-Lubricated vs. Oil-Lubricated Compressors?
When selecting between water-lubricated and oil-lubricated compressors, several considerations come into play. Here’s a detailed explanation of the key factors to consider when choosing between these two types:
Operating Environment:
- Water Sensitivity: Water-lubricated compressors are well-suited for environments where water is readily available and can be easily supplied to the compressor system. On the other hand, oil-lubricated compressors are more suitable for applications where water is not readily available or where water contamination could pose a problem.
- Cleanliness Requirements: If the application demands a high level of cleanliness, such as in certain manufacturing processes or cleanroom environments, water-lubricated compressors may be preferred. Water is inherently cleaner than oil and reduces the risk of oil contamination in sensitive operations.
Maintenance and Service:
- Lubricant Replacement: Oil-lubricated compressors require regular oil changes and maintenance to ensure proper lubrication and performance. Water-lubricated compressors, on the other hand, eliminate the need for oil changes and associated maintenance tasks, simplifying the maintenance requirements.
- Oil Contamination: Oil-lubricated compressors carry the risk of oil contamination in the compressed air system. This can be a concern in certain applications where oil contamination can negatively impact product quality or downstream equipment. Water-lubricated compressors reduce the risk of oil contamination, making them advantageous in such applications.
Environmental Impact:
- Oil Disposal: Oil-lubricated compressors generate used oil that requires proper disposal in accordance with environmental regulations. Water-lubricated compressors eliminate the need for oil disposal, contributing to a reduced environmental impact.
- Energy Efficiency: In terms of energy efficiency, water-lubricated compressors tend to have an advantage. Water has a higher specific heat capacity than oil, meaning it can absorb and dissipate heat more effectively. This can result in improved cooling efficiency and potentially lower energy consumption compared to oil-lubricated compressors.
Application-Specific Factors:
- Operating Pressure: Water-lubricated compressors are generally suitable for lower to moderate operating pressures. Oil-lubricated compressors, on the other hand, can handle higher operating pressures, making them more appropriate for applications that require higher pressure levels.
- Temperature Sensitivity: Water-lubricated compressors may have limitations in applications where low temperatures are encountered. Water freezing or becoming slushy can cause operational issues. Oil-lubricated compressors, with appropriate low-temperature oil formulations, can better handle such temperature-sensitive conditions.
Cost Considerations:
- Initial Cost: Water-lubricated compressors generally have a lower initial cost compared to oil-lubricated compressors. This cost advantage can be attractive for applications with budget constraints.
- Maintenance Cost: Over the long term, water-lubricated compressors may have lower maintenance costs due to the elimination of oil changes and associated maintenance tasks. However, it’s important to consider the specific maintenance requirements and costs associated with each type of compressor.
By considering these factors, including the operating environment, maintenance and service requirements, environmental impact, application-specific factors, and cost considerations, one can make an informed decision when choosing between water-lubricated and oil-lubricated compressors.
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What is a water lubrication air compressor?
A water lubrication air compressor, also known as a water-injected air compressor, is a type of compressor that utilizes water as a lubricant and cooling medium in its operation. Unlike traditional air compressors that rely on oil for lubrication, water lubrication air compressors offer specific advantages and are commonly used in certain applications. Here’s an overview of how water lubrication air compressors work and their key characteristics:
Working Principle:
In a water lubrication air compressor, the compression process involves injecting a controlled amount of water into the compression chamber. The water acts as a lubricant and cooling agent, ensuring smooth operation and preventing excessive heat buildup. As the air is compressed, the water lubricates the internal components, reducing friction and wear.
Advantages:
1. Reduced Environmental Impact: One of the significant advantages of water lubrication air compressors is their reduced environmental impact. These compressors eliminate the need for oil lubrication, resulting in lower oil consumption and the elimination of oil-related contamination risks. This makes them a more environmentally friendly option, particularly in applications where oil contamination must be avoided, such as in food processing or pharmaceutical industries.
2. Enhanced Air Quality: Water lubrication air compressors produce cleaner compressed air compared to oil-lubricated compressors. The absence of oil in the compression process eliminates the risk of oil carryover into the air system. This is essential in applications where clean and oil-free compressed air is required, such as in electronics manufacturing or spray painting.
3. Improved Energy Efficiency: Water lubrication air compressors can offer improved energy efficiency compared to oil-lubricated compressors. The water injected during the compression process helps in cooling the air, reducing the energy required for subsequent cooling and drying processes. This can lead to energy savings and lower operating costs.
4. Lower Maintenance Requirements: Water lubrication air compressors generally have lower maintenance requirements compared to oil-lubricated compressors. The absence of oil means no oil changes or oil filter replacements, simplifying maintenance tasks and reducing costs. However, regular checks and maintenance of the water filtration system are necessary to ensure the water quality and prevent any potential contamination issues.
Applications:
Water lubrication air compressors are commonly used in applications where clean and oil-free compressed air is critical. Some typical applications include:
- Food and beverage processing
- Pharmaceutical manufacturing
- Electronics manufacturing
- Spray painting and coating
- Laboratories and research facilities
- Dental offices
These compressors provide a reliable and environmentally friendly solution for industries and applications that require high-quality compressed air without oil contamination.


editor by CX 2023-10-21
China manufacturer Air Compressor Portable Screw Type Air Compressors with Dryer and Tank with Good quality
Product Description
COMPANY PROFILE
KY-200KYG Air Compressor (can be customized) :
GENERAL FEATURES:
Permanent magnet inverter compressor because of its energy saving and high efficiency has become a hot and bright spot of the industry, the original air compressor energy consumption on the market, is gradually being the permanent magnet inverter compressor to replace or replacement, users can directly bring cost saveing of 20%-40%.
With the development of science and technology, air compressor is widely used in many industries such as machinery, metallurgy, building materials, electric power, chemical industry, food, textile and so on. However, the air compressor belongs to the high energy consumption equipment, power consumption in some industries accounted for more than 30% og the power consumption of production, it is commonly known as “electric tiger”.
SPECIAL FEATURES:
1,AIR PRESSURE STABILLTY
Due to the use of screw air compressor variable frequency stepless speed regulation characteristics of inverter, inverter controller or regulator through internal PID, can smoothly start; on consumption volatility is relatively large occasions, and can quicklyh adjust the response. Compared with the upper and lower limit switch control of the power frequency operation, the air pressure stability increases exponentially.
2,START NO IMPACT
Because the transducer itself contained the function of soft starter, starting current within the maximum rated current of 1.2 times, compared with the start frequency in general more than 6 times the rated current, start a little impact.
This impact is not only on the grid, the impact of the entire mechanical system, but also greatly reduced.
3,VARIABLE FLOW CONTROL
Power driven air compressor can only work in an exhaust, inverter air compressor can work in a wide range of exhaust. Frequency converter is based on the actual use of gas in real time to adjust the motor speed to control the amount of exhaust.
When the air volume is low, the air compressor can be automatically dormant. thereby greatly redcing the energy loss. The optimized control strategy can further improve the energy saving effect.
4,AC POWER SUPPLY VOLTAGE BETTER
Because of the over modulation technology of the inverter, the output voltage of the motor can be output when the voltage of the AC power supply is low, and the voltage of the output to the motor is too high.
For the generation of power, frequeucy conversion drive can show its advantages.
5,AC POWER SUPPLY VOLTAGE BETTER
Most of the working condition of the frequency conersion system is lower than the rated speed of the work, the host machine noise and wear down, prolongmain- tenance and service life.
If the fan is also driven by frequency conversion, can significantly reduce the nosie of air compressor work.
TECHNICAL PARAMETERS:
| Model | Power | Pressure (Mpa) |
Air flow | Noise | Stage | Exit pipe diameter |
Weight (KG) |
Dimensions (mm(LxWxH) |
| PE-10AVF | 7.5 | 8 | 1.0 | 60±2 |
Single grade |
3/4 |
280 | 1000*600*100 |
| 10 | 0.8 | |||||||
| PE-20AVF | 8 | 2.2 | 60±2 |
Single grade |
1 | 480 | 1150*800*1280 | |
| 10 | 1.8 | |||||||
| PE-30AVF | 22 | 8 | 3.8 | 62±2 |
Single grade |
11/4 |
520 | 1150*800*1280 |
| 10 | 3.0 | |||||||
| PE-40AVF | 30 | 8 | 5.0 |
63±2 | Single grade |
11/4 |
550 | 1150*800*1280 |
| 10 | 4.4 | |||||||
| PE-50AVF | 37 | 8 | 6.8 |
63±2 | Single grade |
11/2 |
650 | 1300*1000*1450 |
| 10 | 5.4 | |||||||
| PE-60AVF | 45 | 8 | 8.0 |
65±2 | Single grade |
11/2 |
750 | 1300*1000*1450 |
| 10 | 6.8 | |||||||
| PE-75AVF | 8 | 9.7 | 65±2 | Single grade |
2 | 1200 | 1700*1270*1500 | |
| 10 | 8.6 | |||||||
| PE-100AVF | 75 | 8 | 13.2 | 65±2 | Single grade |
2 | 1350 | 1700*1270*1500 |
| 10 | 16.1 |
ENERGY-SAVING EFFECT OF TWO-STAGE COMPRESSION:
According to the engineering thermodynamics theory, it is the most economical for the compressor with isothermal compres-
sion.Two-stage oil-injection screw air compressor is designed based on the above theory, it fully improves the cooling function through oil injection during the two-stage compression, plus the inter-stage cooling, by ensuring the temperature is above the pressure dew point, it can be close to isothermal compression as possible, so as to achieve the energy-saving effect.
At the same time, due to low compression ratio of the two-stage airend, the “internal leakage”is largely reduced in the compression process compared with the single-stage compression airend with the same power and same discharge pressure.On the contrary, the diplacement is increased, which means that the efficiency is increased, and the specific power is reduced.
Compared with the ordinary two-stage permanent magnetic compressor on the market,Moair uses the two-drive and two-stage compres- sion, which directly avoids the power loss inside the gear set.
Energy-saving advantages:
1,To reduce the bearing load, and improve the volumetric efficincy;
2,In the case of partial load operation, it can improve efficiency and become energy saving to a better extent.
3,The energy saving of two-stage screw air compressor is up to 15%-25% than that of the one-stage air compressor, which can save the considerable electricity fees every year.
About shipping
Why choose us?
FAQ:
1.Q:What do you need machine and quotation?
A: According to capacity and factory size ,we can give you details.
2.Q: Are you trading company or manufacturer ?
A:We are factory.
3.Q:How do we pack machine?
A:Exporting wooden cases
4.Q:Lead time
A:Around 25-30 days after the receipt of your deposit.
| Type: | High Pressure Gun |
|---|---|
| Usage: | Paint Spray Gun, Washing Gun, Hopper Gun, Garden Gun |
| Working Style: | Rotary Type |
| Air Wrench Type: | Pulse pneumatic wrench |
| Pneumatic Drill Range: | Tunnel |
| Degree of Automation: | Automatic |
| Customization: |
Available
|
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|---|
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What are the advantages of using an air compressor in construction?
Using an air compressor in construction offers numerous advantages that contribute to increased efficiency, productivity, and versatility. Here are some key benefits of using air compressors in construction:
- Powering Pneumatic Tools: Air compressors are commonly used to power a wide range of pneumatic tools on construction sites. Tools such as jackhammers, nail guns, impact wrenches, drills, and sanders can be operated using compressed air. Pneumatic tools are often preferred due to their lightweight, compact design and ability to deliver high torque or impact force.
- Efficient Operation: Air compressors provide a continuous and reliable source of power for pneumatic tools, allowing for uninterrupted operation without the need for frequent battery changes or recharging. This helps to maintain a smooth workflow and reduces downtime.
- Portability: Many construction air compressors are designed to be portable, featuring wheels or handles for easy maneuverability on job sites. Portable air compressors can be transported to different areas of the construction site as needed, providing power wherever it is required.
- Versatility: Air compressors are versatile tools that can be used for various applications in construction. Apart from powering pneumatic tools, they can also be utilized for tasks such as inflating tires, cleaning debris, operating air-operated pumps, and powering air horns.
- Increased Productivity: The efficient operation and power output of air compressors enable construction workers to complete tasks more quickly and effectively. Pneumatic tools powered by air compressors often offer higher performance and faster operation compared to their electric or manual counterparts.
- Cost Savings: Air compressors can contribute to cost savings in construction projects. Pneumatic tools powered by air compressors are generally more durable and have longer lifespans compared to electric tools. Additionally, since air compressors use compressed air as their power source, they do not require the purchase or disposal of batteries or fuel, reducing ongoing operational expenses.
- Reduced Electrocution Risk: Construction sites can be hazardous environments, with the risk of electrocution from electrical tools or equipment. By utilizing air compressors and pneumatic tools, the reliance on electrical power is minimized, reducing the risk of electrocution accidents.
It is important to select the appropriate air compressor for construction applications based on factors such as required air pressure, volume, portability, and durability. Regular maintenance, including proper lubrication and cleaning, is crucial to ensure the optimal performance and longevity of air compressors in construction settings.
In summary, the advantages of using air compressors in construction include powering pneumatic tools, efficient operation, portability, versatility, increased productivity, cost savings, and reduced electrocution risk, making them valuable assets on construction sites.
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Are there differences between single-stage and two-stage air compressors?
Yes, there are differences between single-stage and two-stage air compressors. Here’s an in-depth explanation of their distinctions:
Compression Stages:
The primary difference between single-stage and two-stage air compressors lies in the number of compression stages they have. A single-stage compressor has only one compression stage, while a two-stage compressor has two sequential compression stages.
Compression Process:
In a single-stage compressor, the entire compression process occurs in a single cylinder. The air is drawn into the cylinder, compressed in a single stroke, and then discharged. On the other hand, a two-stage compressor utilizes two cylinders or chambers. In the first stage, air is compressed to an intermediate pressure in the first cylinder. Then, the partially compressed air is sent to the second cylinder where it undergoes further compression to reach the desired final pressure.
Pressure Output:
The number of compression stages directly affects the pressure output of the air compressor. Single-stage compressors typically provide lower maximum pressure levels compared to two-stage compressors. Single-stage compressors are suitable for applications that require moderate to low air pressure, while two-stage compressors are capable of delivering higher pressures, making them suitable for demanding applications that require greater air pressure.
Efficiency:
Two-stage compressors generally offer higher efficiency compared to single-stage compressors. The two-stage compression process allows for better heat dissipation between stages, reducing the chances of overheating and improving overall efficiency. Additionally, the two-stage design allows the compressor to achieve higher compression ratios while minimizing the work done by each stage, resulting in improved energy efficiency.
Intercooling:
Intercooling is a feature specific to two-stage compressors. Intercoolers are heat exchangers placed between the first and second compression stages. They cool down the partially compressed air before it enters the second stage, reducing the temperature and improving compression efficiency. The intercooling process helps to minimize heat buildup and reduces the potential for moisture condensation within the compressor system.
Applications:
The choice between a single-stage and two-stage compressor depends on the intended application. Single-stage compressors are commonly used for light-duty applications such as powering pneumatic tools, small-scale workshops, and DIY projects. Two-stage compressors are more suitable for heavy-duty applications that require higher pressures, such as industrial manufacturing, automotive service, and large-scale construction.
It is important to consider the specific requirements of the application, including required pressure levels, duty cycle, and anticipated air demand, when selecting between a single-stage and two-stage air compressor.
In summary, the main differences between single-stage and two-stage air compressors lie in the number of compression stages, pressure output, efficiency, intercooling capability, and application suitability.
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Can air compressors be used for automotive applications?
Yes, air compressors can be used for various automotive applications and are commonly found in automotive repair shops, garages, and even in some vehicles. Here are some automotive applications where air compressors are frequently utilized:
1. Tire Inflation: Air compressors are commonly used to inflate tires in automotive applications. They provide a convenient and efficient way to inflate tires to the recommended pressure, ensuring optimal tire performance, fuel efficiency, and safety.
2. Air Tools: Air compressors power a wide range of pneumatic tools used in automotive repair and maintenance. These tools include impact wrenches, ratchet wrenches, air hammers, pneumatic drills, and sanders. Air-powered tools are favored for their high torque and power-to-weight ratio, making them suitable for heavy-duty automotive tasks.
3. Spray Painting: Air compressors are commonly used in automotive painting applications. They power airbrushes and spray guns that are used to apply paint, primer, and clear coats. Air compressors provide the necessary air pressure to atomize the paint and deliver a smooth and even finish.
4. Brake System Maintenance: Air compressors play a crucial role in maintaining and diagnosing automotive brake systems. They are used to pressurize the brake lines, allowing for proper bleeding of the system and detection of leaks or faults.
5. Suspension Systems: Some automotive suspension systems, such as air suspensions, rely on air compressors to maintain the desired air pressure in the suspension components. The compressor inflates or deflates the suspension as needed to provide a comfortable ride and optimal handling.
6. Cleaning and Dusting: Air compressors are used for cleaning automotive parts, blowing away dust and debris, and drying surfaces. They provide a high-pressure stream of air that effectively cleans hard-to-reach areas.
7. Air Conditioning Systems: Air compressors are a key component in automotive air conditioning systems. They compress and circulate refrigerant, allowing the system to cool and dehumidify the air inside the vehicle.
When using air compressors for automotive applications, it’s important to consider the specific requirements of the task at hand. Ensure that the air compressor has the necessary pressure and capacity to meet the demands of the application. Additionally, use appropriate air hoses, fittings, and tools that are compatible with the compressor’s output.
Overall, air compressors are versatile and valuable tools in the automotive industry, providing efficient power sources for a wide range of applications, from tire inflation to powering pneumatic tools and supporting various automotive systems.


editor by CX 2023-10-18