Product Description
Silent Oil Free Air Compressor with Air Dryer (DA7002D)
Product Detail:
Model: DA7002D
Voltage: 100-240V/50-60Hz
Power: 1500W [2HP]
Max Air Flow: 274L/min [9.6CFM]
Air Flow@7bar:90L/min[3.18CFM]
Noise Level: ≤70 dB (A)
Max. Pressure: 8bar [116PSI]
Max Current: 6.8A
Dew-point Temperature:-20
Air Tank: 50L [11Gallon]
Gross Weight: 75.5kg [166.4lbs]
Net Weight: 64kg [141.1lbs]
Dimension: 710*485*750mm [28*19.1*29.5 inch]
Characteristics:
1. Oil free: Do not need any lubricated oil, and harmless to the human body.
2. Super silent: Noise level lower than 56dB(a) to reduce noise pollution.
3. Multi-phase filteration: Advanced multi-phase filtration to ensure extremely clean air, and lengthen service life.
4. Safety using: Air compressor motors equipped with thermal prevention device to avoid overheating and protect motors.
5. Clean tank: All air receiver tanks have internal epoxy coating applied to avoid corrosion.
6. Automatic adjustment: High quality pressure switch used to control the power of air compressor automatically by adjustment of pressure level.
7. Pressure adjustment: Working pressure could be adjusted to meet the demand of different supporting equipments.
8. High durability: Serviceable time exceeds 15, 000 hours.
9. Simple operation: Using directly when connecting with power.
10. Easy maintanance: No need any lubricated oil.
11. Warranty: 2 years.
Dry air: Why?
A quality dryer is essential equipment for the users.
The ambient air contains humidity and impurities which must be dully treated in order to guarantee clean,
Dry and pure air to the patients and to avoid the risk of corrosion and oxidation of the expensive dental instruments
Which are connected the the compressor.
The advantage of the “air dryer” system are the following:
No additional installation ( the system is integrated with the compressor)
No oxidation and corrosion;
Optimum air for patients, instruments and equipments;
Compactness;
Fully automatic operation;
Easy maintenance;
Low operative costs;
No power loss during the regeneration process;
Production Process:
| Model | DA7001D | DA7002D | DA7003D | A7004D | |
| Voltage/Hz | V | 100-240 | 100-240 | 100-240 | 100-240 |
| Hz | 50/60 | 50/60 | 50/60 | 50/60 | |
| Power | HP | 1 | 2 | 3 | 4 |
| KW | 0.75 | 1.5 | 2.25 | 3 | |
| Max Air Flow | L/min | 137 | 274 | 410 | 547 |
| CFM | 4.8 | 9.6 | 14.4 | 19.2 | |
| Air Flow@7bar | L/min | 45 | 90 | 135 | 180 |
| CFM | 1.59 | 3.18 | 4.77 | 6.35 | |
| Max. Pressure | Bar | 8 | 8 | 8 | 8 |
| psi | 116 | 116 | 116 | 116 | |
| Dew-point Temperature | -20 | -20 | -20 | -20 | |
| Tank | L | 30 | 50 | 70 | 100 |
| Gallon | 6.6 | 11.0 | 15.4 | 22.0 | |
| Net Weight | Kg | 36 | 64 | 89.5 | 113 |
| Lbs | 79.4 | 141.1 | 197.3 | 249.1 | |
| Gross Weight | Kg | 47.8 | 75.5 | 108.5 | 133.5 |
| Lbs | 105.4 | 166.4 | 239.2 | 294.3 | |
| Max current | A | 3.4 | 6.8 | 10.2 | 13.6 |
| Noise Level | dB(A) | ≤70 | ≤70 | ≤70 | ≤70 |
| Dimensions | mm | 560×450×650 | 710×485×750 | 920×500×750 | 1070×520×750 |
| inch | 22×17.7×25.6 | 28×19.1×29.5 | 36.2×19.7×29.5 | 42.1×20.5×29.5 | |
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| After-sales Service: | Provided |
|---|---|
| Warranty: | 1 Year |
| Lubrication Style: | Oil-free |
| Cooling System: | Air Cooling |
| Cylinder Arrangement: | Dental Clinic |
| Cylinder Position: | Horizontal |
| Customization: |
Available
|
|
|---|
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Can Water-Lubricated Air Compressors Be Used in Cold Climates?
Water-lubricated air compressors can be used in cold climates, but there are certain considerations and precautions to keep in mind. Here’s a detailed explanation of using water-lubricated air compressors in cold climates:
Freezing of Water:
- Potential for Freezing: In cold climates, the water used for lubrication in water-lubricated compressors can freeze, which can cause operational issues and damage to the equipment. Freezing can occur in the water supply lines, lubrication system, or water jackets if the temperature drops below the freezing point of water.
- Water Temperature: It is important to ensure that the water temperature remains above freezing throughout the compressor system. This can be achieved by using insulation, heat tracing, or heaters to maintain adequate water temperature. Monitoring the water temperature and implementing appropriate heating measures are crucial to prevent freezing-related problems.
Protection and Insulation:
- Protecting External Components: External components of water-lubricated compressors, such as valves, fittings, and pipes, may be exposed to cold temperatures. Insulating these components can help prevent freezing and ensure their proper functioning. Insulation materials, such as foam wraps or heat tapes, can be used to provide thermal protection.
- Water Supply Lines: Water supply lines that feed the compressor should be properly insulated and protected from freezing temperatures. Insulation can help maintain the water temperature and prevent freezing within the supply lines. Additionally, measures such as burying the supply lines below the frost line or using heat tracing cables can offer further protection against freezing.
Alternative Lubrication Methods:
- Oil-Lubricated Compressors: In extremely cold climates, where freezing is a significant concern, using oil-lubricated compressors instead of water-lubricated ones may be a more practical option. Oil-based lubrication systems are less prone to freezing and can provide reliable operation in colder temperatures. However, it is important to consider the specific requirements and limitations of oil-lubricated compressors for the intended application.
Manufacturer Recommendations:
- Consulting the Manufacturer: It is crucial to consult the manufacturer’s guidelines and recommendations regarding the use of water-lubricated compressors in cold climates. Manufacturers may provide specific instructions, modifications, or alternative solutions to ensure the safe and efficient operation of their equipment under cold weather conditions.
By implementing proper insulation, heating measures, and following the manufacturer’s guidance, water-lubricated air compressors can be used effectively in cold climates. It is important to assess the specific requirements of the application and consider the potential challenges associated with freezing temperatures to ensure the reliable and safe operation of the water-lubricated compressor system.
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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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Are There Any Downsides to Using Water-Lubricated Air Compressors?
While water-lubricated air compressors offer several advantages, there are also some downsides to consider when using this type of compressor. Here are a few potential drawbacks associated with water-lubricated air compressors:
- Water quality requirements: Water-lubricated compressors are highly dependent on the quality of the water used for lubrication. The water should be free from contaminants, minerals, and impurities that can affect the compressor’s performance or cause corrosion. Ensuring the consistent availability of high-quality water may require additional filtration or treatment processes, which can add complexity and cost to the system.
- Increased maintenance: Compared to oil-lubricated compressors, water-lubricated models may require more frequent maintenance. Regular checks, cleaning, and monitoring of the water system are necessary to prevent blockages, maintain proper water flow, and ensure the cleanliness of the compressor. This increased maintenance requirement can result in higher operational costs and more downtime for maintenance activities.
- Potential for corrosion: While water itself is not corrosive, certain water conditions, such as high mineral content or low pH levels, can promote corrosion within the compressor system. Corrosion can lead to component damage, reduced efficiency, and the need for repairs or replacements. Implementing corrosion prevention measures, such as water treatment or the use of corrosion-resistant materials, may be necessary to mitigate this risk.
- Compatibility limitations: Water-lubricated compressors may have limitations when it comes to compatibility with certain materials or gases. For example, in applications where the compressed air comes into contact with sensitive materials or requires specific gas purity, the use of water as a lubricant may not be suitable. In such cases, alternative lubrication methods or compressor types may be more appropriate.
- Environmental considerations: While water is generally considered environmentally friendly, the disposal of used water from the compressor system may require proper wastewater management. Depending on local regulations and requirements, additional steps may be needed to ensure compliant and environmentally responsible disposal of the water used for lubrication.
Despite these potential downsides, water-lubricated air compressors continue to be used in various industries and applications due to their specific advantages and suitability for certain environments. It is important to carefully evaluate the specific requirements, operating conditions, and maintenance considerations of a given application to determine whether a water-lubricated compressor is the most suitable choice.


editor by CX 2024-01-31