China Standard Tr-08va/W 0.8-1.25MPa 8-12.5bar 0.24-1.17m3/Min 7.5kw Oilfree Silent Oil Free Scroll Dental Single Screw Air Compressor air compressor price

Product Description

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Product Description

TR-08VA/W 0.8-1.25Mpa 8-12.5Bar 0.24-1.17m3/min 7.5KW oilfree silent oil free scroll dental air compressor price










Pipe diameters of

cooling water

in and out

Quantity of 
cooling water

Quantity of



Dimension Weight



 Inlet water


Mpa M3/min KW DB  T/H L mm KG
TR-08VA/W 0.8 0.35-1.17 7.5 57 3/4″ 2 10 8.4) optimized design, large rotor, low rotary speed (within 3000r/min), without the gearbox.

direct connection drive, it has a lower rotary speed and longer life compared with dry oil-free screw air compressor(10000r/min-20000r/min).

12. Automatic Cleaning System

The function of automatic water exchange and automatic system cleaning can be realized, and the interior of the compressor is more clean and sanitary.


Company Information

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Lubrication Style: Oil-free
Cooling System: Water Cooling
Power Source: AC Power
Structure Type: Closed Type
Installation Type: Stationary Type
Type: Single Screw Compressor
US$ 86800/Piece
1 Piece(Min.Order)

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air compressor

Can Oil-Free Air Compressors Be Used for Breathing Air Applications?

Yes, oil-free air compressors can be used for breathing air applications, but it is crucial to ensure that the compressor and the associated equipment meet the required standards and regulations for breathing air quality and safety. Here’s a detailed explanation of using oil-free air compressors for breathing air applications:

1. Compressor Design and Certification:

When considering the use of oil-free air compressors for breathing air applications, it is essential to select compressors that are specifically designed and certified for such purposes. Dedicated oil-free compressors designed for breathing air applications typically incorporate additional features and safeguards to ensure the production of clean and safe compressed air. These compressors undergo rigorous testing and certification processes to meet the stringent standards and regulations for breathing air quality.

2. Air Treatment and Filtration:

In breathing air applications, the compressed air must undergo thorough treatment and filtration to remove contaminants and ensure its safety for breathing. Oil-free compressors are typically equipped with advanced filtration systems, including pre-filters, coalescing filters, activated carbon filters, and sometimes additional stages such as sterile filters or high-efficiency particulate air (HEPA) filters. These filtration stages work together to eliminate particulates, moisture, odors, oil vapors, and other potential contaminants from the compressed air, ensuring its suitability for breathing air applications.

3. Compliance with Breathing Air Standards:

Oil-free compressors used for breathing air applications must comply with specific standards and regulations that define the acceptable limits for contaminants in breathing air. International standards such as ISO 8573 and national regulations, such as the Occupational Safety and Health Administration (OSHA) standards in the United States, set guidelines for breathing air quality and specify the maximum allowable levels of contaminants, including oil content, particulate matter, and moisture. Compressors used for breathing air applications should meet or exceed these standards to ensure the safety and health of individuals who rely on the compressed air for breathing.

4. Regular Maintenance and Monitoring:

To ensure the ongoing safety and quality of the breathing air produced by oil-free compressors, regular maintenance and monitoring are essential. This includes routine inspections, filter replacements, and adherence to recommended maintenance schedules. Regular monitoring of air quality parameters, such as oil content, oxygen levels, and microbiological contamination, can help identify any potential issues and ensure that the compressor continues to produce clean and safe breathing air.

It’s important to note that not all oil-free compressors are suitable for breathing air applications. It is necessary to select compressors specifically designed and certified for this purpose, ensuring they meet the required standards and regulations. Additionally, the entire breathing air system, including air storage cylinders, distribution lines, and breathing apparatus, must also meet the necessary safety standards and undergo regular inspections and maintenance.

By following these guidelines and using appropriately designed and certified oil-free compressors, it is possible to generate clean and safe breathing air for various applications, such as medical facilities, diving operations, firefighting, and respiratory protection in industrial settings.

air compressor

What Is the Role of Filtration in Maintaining Air Quality in Oil-Free Compressors?

Filtration plays a crucial role in maintaining air quality in oil-free compressors. Here’s a detailed explanation of the role of filtration and its importance in ensuring clean and contaminant-free compressed air:

1. Removing Solid Particles:

One of the primary functions of filtration in oil-free compressors is to remove solid particles from the compressed air. Ambient air contains various contaminants such as dust, dirt, pollen, and other particulates. These particles can potentially damage downstream equipment, clog pneumatic components, and compromise the quality of the compressed air. Filtration systems, typically consisting of pre-filters and main filters, are used to capture and remove these solid particles, preventing them from entering the compressed air system.

2. Protecting Equipment:

Filtration helps protect the equipment and components of the compressed air system, including valves, cylinders, pneumatic tools, and instruments. Solid particles present in the compressed air can cause abrasion, wear, and damage to these components, leading to decreased performance, increased maintenance, and potential system failures. By effectively removing solid particles, filtration ensures the longevity and reliability of the equipment, reducing the need for frequent repairs and replacements.

3. Preventing Contamination:

Oil-free compressors are designed to produce clean, oil-free compressed air. However, certain contaminants can still find their way into the compressed air system. Filtration plays a vital role in preventing contamination by removing substances such as oil aerosols, water vapor, and microorganisms. These contaminants can be introduced through ambient air or can result from the compression process itself. Proper filtration ensures that the compressed air remains free from these contaminants, meeting the required air quality standards for specific applications.

4. Achieving Air Purity:

Many applications require compressed air with specific purity levels. For instance, in industries like pharmaceuticals, food and beverage, electronics, and healthcare, high-quality compressed air is essential to prevent product contamination or ensure the safety of sensitive processes. Filtration, along with other air treatment components such as dryers and separators, helps achieve the desired air purity levels by removing particulates, moisture, oil, and other impurities. This ensures that the compressed air meets the required standards and complies with industry regulations.

5. Extending Maintenance Intervals:

Efficient filtration in oil-free compressors can contribute to extended maintenance intervals. By effectively capturing and removing contaminants, filtration reduces the accumulation of debris and deposits within the compressed air system. This, in turn, reduces the frequency of maintenance tasks such as cleaning, purging, and component replacements. Extended maintenance intervals not only save time and labor but also minimize system downtime and associated costs.

6. Preserving Product Quality:

In applications where compressed air comes into direct contact with products or processes, maintaining air quality is crucial to preserve product integrity and quality. Contaminated compressed air can introduce impurities, odors, or foreign substances that may adversely affect the final product. Filtration ensures that the compressed air remains clean and free from contaminants, safeguarding the quality, purity, and consistency of the end products.

Overall, filtration plays a vital role in maintaining air quality in oil-free compressors. By removing solid particles, preventing contamination, achieving air purity, protecting equipment, extending maintenance intervals, and preserving product quality, filtration systems contribute to the reliable and efficient operation of compressed air systems in various industries and applications.

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 Standard Tr-08va/W 0.8-1.25MPa 8-12.5bar 0.24-1.17m3/Min 7.5kw Oilfree Silent Oil Free Scroll Dental Single Screw Air Compressor   air compressor priceChina Standard Tr-08va/W 0.8-1.25MPa 8-12.5bar 0.24-1.17m3/Min 7.5kw Oilfree Silent Oil Free Scroll Dental Single Screw Air Compressor   air compressor price
editor by CX 2024-05-14

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