Product Description
Product Description
Dry oil-free screw air compressor industrial variable speed VSD air compressor
The air quality of dry oil-free air compressor complies with the requirement of Class 0 in terms of total oil content,as defined in ISO 8573-1.
Original German Air-end withWorld Well-know Screw Technology
Adopt original German air end with high durabilityand good quality, which is perfect for compressingpure and clean air.
New Noise Reduction Design – Venturi Tube Muffler
The first and second stage of the air-end all adopt thenewly developed venturi muffler, and there is also animpedance integrated muffler, which can greatly eliminatethe noise emitted by the compressor pipeline.
Product feature
1.Industry-leading air end, imported brand, quality assurance.
2. IE4 motor, save your electricity cost, IP54, B-level temperature rise is suitable for harsh environments such as large dust and high temperature;
3.Multiple noise reduction design, calculated according to noise theory, with special flame retardant muffler cotton inside, to reduce the noise of the unit and provide a quieter environment for use.
4.Independent air inlet, reduce intake resistance, multi-function intake valve group, start without load, motor load is small. Use high-efficiency filters to effectively filter particulates in the air;
5.Centrifugal fan with plate-fin cooler has high wind pressure, low noise, external independent suction, exhaust air upward through a specially designed air duct to prevent hot air from returning; cooler modular design, vertical installation, effectively eliminate thermal stress , More stable operation and long service life;
6.Optimized shock absorption pad to reduce vibration and noise.
Product Parameters
| Dry Oil-free Screw Air Compressor RDO Series | ||||||||||
| Model | Air Delivery (m3/min) | Powe (kW) |
Noise dB(A) |
Outlet diameter |
Dimension (mm) | Weight (Kg) |
||||
| 7bar | 8bar | 10bar | Air-cooled | Water-cooled | Air-cooled | Water-cooled | ||||
| RDO-45A/W | 4.5-7.8 | 4.0-6.8 | 3.7-6.4 | 45 | 69±3 | DN50 | 2200*1400*2000 | 2200*1500*1720 | 2650 | 2700 |
| RDO-55A/W | 5.7-9.8 | 5.2-9.0 | 4.4-7.8 | 55 | 69±3 | DN50 | 2200*1400*2000 | 2200*1500*1720 | 2850 | 2900 |
| RDO-75A/W | 7.6-13.0 | 7.2-12.2 | 6.6-11.2 | 75 | 70±3 | DN50 | 2200*1400*2000 | 2200*1500*1720 | 2950 | 2900 |
| RDO-90A/W | 9.6-16.0 | 8.1-13.8 | 7.6-13.1 | 90 | 71±3 | DN50 | 2200*1400*2000 | 2200*1500*1720 | 3000 | 2950 |
| RDO-110A/W | 12.1-20.6 | 11.6-19.5 | 11.1-18.8 | 110 | 71±3 | DN65 | 3000*1990*2180 | 2800*1900*1990 | 3500 | 3550 |
| RDO-132A/W | 14.7-24.8 | 13.6-23.0 | 11.5-19.5 | 132 | 73±3 | DN65 | 3000*1990*2180 | 2800*1900*1990 | 3550 | 3600 |
| RDO-160A/W | 16.9-28.5 | 15.6-26.3 | 14.1-23.8 | 160 | 73±3 | DN65 | 3000*1990*2180 | 2800*1900*1990 | 3650 | 3750 |
| RDO-185A/W | 19.5-32.8 | 17.1-28.9 | 16.3-27.5 | 185 | 74±3 | DN65 | 3000*1990*2180 | 2800*1900*1990 | 4100 | 4200 |
| RDO-200A/W | 21.8-36.8 | 20.4-34.6 | 18.1-30.6 | 200 | 74±3 | DN100 | 4500*2000*2100 | 3100*2100*2065 | 5100 | 4500 |
| RDO-220A/W | 24.9-41.5 | 22.4-37.3 | 19.8-33.0 | 220 | 74±3 | DN100 | 4500*2000*2100 | 3100*2100*2065 | 5600 | 5000 |
| RDO-250A/W | 27.3-46.0 | 25.3-42.8 | 22.7-38.2 | 250 | 74±3 | DN100 | 4500*2000*2100 | 3100*2100*2065 | 5700 | 5200 |
| RDO-280A/W | 31.6-48.6 | 30.9-47.5 | 29.3-45.0 | 280 | 76±3 | DN100 | 4500*2000*2100 | 3100*2100*2065 | 5800 | 5300 |
| RDO-315A/W | 34.1-52.5 | 32.9-50.6 | 31.5-48.5 | 315 | 77±3 | DN100 | 4500*2000*2100 | 3100*2100*2065 | 6000 | 5400 |
Noted: DRO-W, DRO means this model is Dry Oi-Free air compressor,With “W” It represents Water Cooled,
Without “W’, It represents AirCooled.
Application industry
Dry oilfree screw air compressor is widely used in food, Medicine, Electronics, ChemicalsSemiconductor Prinfings, Precision Spraying and other industries.
Field Case
Packaging & Shipping
1.Packing Details: Plywood crate pallet plus foam board and bubble film, Full closed wooden case. 1pcs/each package
(for stationary screw air compressor)
2.Shipping method: by sea, by LCL/FCL or as requested
3.Delivery method: FOB, CFR, CIF and EXW etc.
4.Delivery time: in 7-15 days after receiving deposit (customized machines not included)
Company Profile
Certifications
FAQ
|
Shipping Cost:
Estimated freight per unit. |
To be negotiated |
|---|
| After-sales Service: | Online Support |
|---|---|
| Warranty: | 24month |
| Lubrication Style: | Lubricated |
| Customization: |
Available
|
|
|---|
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What Industries Commonly Use Water-Lubricated Air Compressors?
Water-lubricated air compressors find applications in various industries where specific operating conditions or regulatory requirements make them a preferred choice. Here are some industries that commonly utilize water-lubricated air compressors:
- Food and Beverage: Water-lubricated compressors are often used in the food and beverage industry due to their ability to provide clean, oil-free compressed air. Compressed air is widely used in food processing and packaging applications, such as pneumatic conveying, product mixing, bottle blowing, and food packaging. Water-lubricated compressors help maintain product purity, prevent oil contamination, and comply with stringent food safety standards.
- Pharmaceutical and Healthcare: The pharmaceutical and healthcare industries have strict requirements for compressed air quality, especially in applications where compressed air comes into direct contact with pharmaceutical products or is used in critical medical equipment. Water-lubricated compressors offer a viable solution by providing lubrication without the risk of oil contamination. They are commonly used for processes such as air agitation, medical device manufacturing, and laboratory applications.
- Electronics and Semiconductors: In electronics and semiconductor manufacturing, where sensitive components and cleanroom environments are involved, oil-free compressed air is essential. Water-lubricated compressors can provide the required level of air purity without introducing oil particles or vapors that could contaminate the electronics or semiconductor production processes. They are used in applications such as chip manufacturing, circuit board assembly, and cleanroom air supply.
- Textile and Garment: Water-lubricated compressors are utilized in the textile and garment industry, where the presence of oil can negatively impact the quality and appearance of fabrics or garments. Compressed air is widely used in textile machinery for tasks such as spinning, weaving, and air jet looms. Water-lubricated compressors ensure oil-free air supply, preventing oil stains or contamination that could affect the final textile or garment products.
- Environmental and Wastewater Treatment: Water-lubricated compressors are also employed in environmental and wastewater treatment applications. These compressors help supply air for aeration processes in wastewater treatment plants, where air is introduced into the treatment tanks to facilitate the growth of beneficial bacteria for biological treatment. Water-lubricated compressors provide oil-free compressed air, ensuring the purity and effectiveness of the treatment process.
While the industries mentioned above commonly use water-lubricated air compressors, it is important to note that these compressors may also find applications in other sectors where oil-free, contamination-free compressed air is required for specific processes or environmental considerations.
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Are There Regulations Governing the Use of Water-Lubricated Air Compressors?
When it comes to the use of water-lubricated air compressors, there are several regulations and standards that govern their operation and ensure compliance with safety, environmental, and performance requirements. Here’s a detailed explanation of the regulations related to water-lubricated air compressors:
1. Occupational Safety and Health Administration (OSHA) Regulations:
OSHA is a regulatory agency in the United States that sets and enforces workplace safety and health standards. While OSHA does not have specific regulations solely dedicated to water-lubricated air compressors, they have general regulations that apply to all types of air compressors. These regulations include requirements for safe operation, maintenance, and guarding of equipment to protect workers from hazards such as electrical shocks, mechanical injuries, and exposure to hazardous substances.
2. Environmental Protection Agency (EPA) Regulations:
The EPA is responsible for implementing and enforcing environmental regulations in the United States. Although there are no specific regulations for water-lubricated air compressors, the EPA has regulations that govern the discharge of water and other substances into the environment. If the water-lubricated compressor system involves the use of cooling water or generates wastewater, it may be subject to regulations related to water pollution control, water treatment, and proper disposal of wastewater.
3. International Organization for Standardization (ISO) Standards:
The ISO develops international standards that provide guidelines and requirements for various industries and technologies. ISO 8573 is a standard that addresses the quality of compressed air used in different applications. This standard sets limits and specifications for various contaminants in compressed air, including water content. Water-lubricated air compressors need to comply with the requirements of ISO 8573 to ensure the produced compressed air meets the desired quality standards.
4. Manufacturer Guidelines and Recommendations:
In addition to regulatory requirements, it is essential to follow the guidelines and recommendations provided by the manufacturers of water-lubricated air compressors. Manufacturers typically provide instructions for installation, operation, maintenance, and safety precautions specific to their equipment. Adhering to these guidelines is crucial to ensure the safe and proper functioning of the equipment and to maintain warranty coverage.
It’s important to note that the specific regulations and standards governing water-lubricated air compressors may vary depending on the country or region. Therefore, it is advisable to consult the relevant regulatory agencies, industry organizations, and local authorities to ensure compliance with applicable regulations and standards in a particular jurisdiction.
By complying with the relevant regulations, standards, and manufacturer guidelines, users of water-lubricated air compressors can ensure the safe and efficient operation of their equipment while minimizing any potential environmental impacts.
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How Do Water-Lubricated Air Compressors Compare to Oil-Lubricated Ones?
Water-lubricated air compressors and oil-lubricated air compressors have distinct differences in terms of lubrication method, performance, maintenance, and environmental impact. Here is a detailed comparison between the two:
| Water-Lubricated Air Compressors | Oil-Lubricated Air Compressors | |
|---|---|---|
| Lubrication Method | Water is used as the lubricant in water-lubricated compressors. It provides lubrication and heat dissipation. | Oil is used as the lubricant in oil-lubricated compressors. It provides lubrication, sealing, and heat dissipation. |
| Performance | Water lubrication offers efficient heat dissipation and cooling properties. It can effectively remove heat generated during compressor operation, preventing overheating and prolonging the compressor’s lifespan. Water lubrication can be suitable for applications where high heat generation is a concern. | Oil lubrication provides excellent lubrication properties, ensuring smooth operation and reduced friction. It offers good sealing capabilities, preventing air leakage. Oil-lubricated compressors are often preferred for heavy-duty applications that require high pressure and continuous operation. |
| Maintenance | Water lubrication generally requires less maintenance compared to oil lubrication. Water does not leave sticky residues or deposits, simplifying the cleaning process and reducing the frequency of lubricant changes. However, water lubrication may require additional measures to prevent corrosion and ensure proper water quality. | Oil lubrication typically requires more maintenance. Regular oil changes, filter replacements, and monitoring of oil levels are necessary. Contaminants, such as dirt or moisture, can adversely affect oil lubrication and require more frequent maintenance tasks. |
| Environmental Impact | Water lubrication is more environmentally friendly compared to oil lubrication. Water is non-toxic, biodegradable, and does not contribute to air or water pollution. It has a lower environmental impact and reduces the risk of contamination in case of leaks or spills. | Oil lubrication can have environmental implications. Oil leaks or spills can contaminate the environment, including air, soil, and water sources. Used oil disposal requires proper handling to prevent pollution. Oil-lubricated compressors also release volatile organic compounds (VOCs) into the air, contributing to air pollution. |
In summary, water-lubricated air compressors excel in efficient heat dissipation, require less maintenance, and have a lower environmental impact. On the other hand, oil-lubricated air compressors offer excellent lubrication properties and are suitable for heavy-duty applications. The choice between water and oil lubrication depends on specific requirements, operating conditions, and environmental considerations.
editor by CX 2023-10-04