Best Price High Quality Portable Oil Free Silent Dental Air Compressor YHT-500

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YHT-500 is a large power dental compressor, which can supply 10-12units dental chairs. It’s equipped with 4 units of 1100W electric motors. Its air tank has 200L capacity. Our air compressor widely used among the world. 20 years of production experience, unique product design and process application and perfect management system ensure the stable quality of products and establish the position of our brand in the field of oil-free air compressor.


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Our air compressor is from one of the toppest brand in China. 20 years of production experience, unique product design and process application and perfect management system ensure the stable quality of products and establish the position of our brand in the field of oil-free air compressor.

Air compressor is a commonly used machine in production equipment. It is no stranger to many enterprises.But for the choice of air compressor brand, many customers are often in a tangle of contradictions.Silent oil-free air compressor is a small piston type air compressor, often called silent oil-free air compressor.Medical silent oil-free air compressor generally needs high quality compressed gas. The machine needs strong reliability, silence, and the output air can directly contact the human body.

Our oil-free compressor is specially designed for supplying oil-free dry healthy medical grade clean air in medical field. Especially in oral clinic and hospital, it can satisfy the demands from one to hundreds of dental chairs, suitable for different request. Silent box, dryer and filtration system can be added, so as to reduce the noise, improve the pressure dew point and filter accuracy. 


1.Oil Free Design For Stable Oil Free Air Supplying.
2.Automatic Start-Stop Controlled By Pressure Switch, prevent burn out, ensure the safety of use.
3.Promise to adopt pure copper coil, good heat dissipation and long service life.
4.4mm air tank thickness, inner and outer fully sprayed with plastic.
5.Adopt precision parts, important parts have CE certification to ensure product quality.
6.Special plastic spraying process, good corrosion resistance
7.Could be used when the power is connected.
8.No need lubricate oil for maintenance.
9.Single phase and three phases with low fault rate and longer usage life.
10.Easy operation, low fault rate and long service life.










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Dental oil-free compressors are commonly used machines in dental clinics and hospitals. For many companies, this is not surprising. However, many customers often fall into conflict when choosing a brand of dental air compressor. Silent oil-free air compressor is a small piston air compressor, usually called silent oil-free air compressor. Medical oil-free oil-free air compressors usually require high-quality compressed gas. The machine requires strong reliability and quietness, and the output gas can directly contact the human body.

Our oil-free compressors are specially designed to provide dry, oil-free, and healthy medical-grade clean air in the medical field. Especially in dental clinics and hospitals, it can meet the needs of different numbers of dental chairs, suitable for different needs. Silent box, dryer and filter system can be added to reduce noise, improve pressure dew point and filter accuracy.


Large capacity to supply 10-12units dental chairs.

Four separated electric motors design.

Oil free design for healthy oil free Air supplying.

Automatic Start-Stop , prevent burn out, ensure the safety of use.

Pure copper coil with good heat dissipation and long service life.

4mm air tank thickness fully sprayed with plastic.

Using directly when connecting with power.

Oil free design, no lubrication oil needed during operation.

Can oil free air compressor run continuously?

Oil-free air compressors can run continuously if they are designed and rated for such use. Key factors include having a high duty cycle, effective cooling systems, and robust construction. While they offer significant advantages in terms of clean air and lower maintenance, it is essential to select a model that matches the specific demands of continuous operation to ensure reliability and longevity.

Are oil-free air compressors quiet?


Oil-free air compressors can be very quiet, especially those designed specifically for environments where noise reduction is critical, such as dental offices and medical facilities. The level of noise largely depends on the design, quality of construction, and specific type of compressor. When choosing an oil-free compressor for a quiet operation, it is important to look for models with soundproofing features and lower decibel ratings.

What is an oil free compressor?


An oil-free compressor is a type of air compressor that operates without the use of oil for lubrication of the compression chamber. In traditional air compressors, oil is used to lubricate the moving parts and help with sealing and cooling during the compression process. However, in oil-free compressors, alternative materials and technologies are used to achieve similar effects without the need for oil.

Design and Operation:


Materials: Oil-free compressors often use materials such as Teflon or other special coatings on the pistons and cylinders to reduce friction and wear.
Technology: These compressors might use advanced engineering techniques, such as dual-piston systems, to ensure smooth and efficient operation without the need for oil.



Clean Air: Since there's no oil used in the compression chamber, the air output is free from oil contaminants, making oil-free compressors ideal for applications where clean air is critical, such as in medical, dental, food processing, and pharmaceutical industries.
Maintenance: Oil-free compressors typically require less maintenance compared to their oil-lubricated counterparts since there is no need for regular oil changes and associated filtration.
Environmental Impact: By eliminating the need for oil, these compressors reduce the environmental impact associated with oil disposal and contamination.


Medical and Dental: In medical and dental settings, air quality is crucial. Oil-free compressors provide the clean, contaminant-free air needed for instruments and patient care.
Food and Beverage: In the food and beverage industry, oil-free air compressors ensure that no oil contamination occurs during production and packaging processes.
Pharmaceutical: For the production of pharmaceuticals, oil-free air is essential to maintain product purity and meet stringent regulatory standards.


Reciprocating (Piston) Compressors: Use pistons to compress the air and often have coatings or non-lubricated parts to eliminate the need for oil.
Scroll Compressors: Utilize a scroll mechanism for compression, which inherently doesn't require oil for lubrication.
Rotary Screw Compressors: Can be designed as oil-free, using advanced sealing and cooling techniques to avoid the need for oil.

In summary, an oil-free compressor is a specialized type of air compressor that avoids using oil in the compression process, resulting in cleaner air output, reduced maintenance needs, and suitability for sensitive applications where air purity is paramount.

Are oil-free compressors good?

Oil-free compressors have become increasingly popular in various industries, including dental, medical, and manufacturing, due to their specific advantages. Here’s a detailed look at the benefits and considerations of using oil-free compressors:

Benefits of Oil-Free Compressors

Clean Air Production:
Oil-Free Operation: These compressors do not use oil in the compression chamber, eliminating the risk of oil contamination in the compressed air. This is crucial for applications requiring high air purity, such as in the food and beverage, pharmaceutical, and dental industries.
Compliance: They meet stringent air quality standards required in certain industries, ensuring compliance with health and safety regulations.

Maintenance and Operation:
Lower Maintenance Costs: Oil-free compressors generally have fewer components that require maintenance compared to oil-lubricated compressors. This results in lower maintenance costs and reduced downtime.
Environmentally Friendly: Without the need for oil changes and disposal of used oil, these compressors have a smaller environmental footprint.

Reliability and Durability:
Advanced Materials and Technologies: Modern oil-free compressors are designed with advanced materials and technologies that ensure durability and long-term reliability.
Heat Resistance: They often operate cooler than oil-lubricated compressors because they don’t rely on oil for cooling, which can enhance their lifespan and performance.

Energy Efficiency:
Energy Savings: Many oil-free compressors are designed to be energy-efficient, which can result in significant cost savings over time.


Initial Cost:
Higher Purchase Price: Oil-free compressors can have a higher upfront cost compared to oil-lubricated models. However, the long-term savings in maintenance and operation can offset this initial investment.

Noise Level:
Potentially Noisier: Some oil-free compressors can be noisier than their oil-lubricated counterparts due to the lack of oil for dampening sound. However, advancements in technology have led to quieter models.

Specific Applications:
Limited Heavy-Duty Use: While oil-free compressors are excellent for many applications, they may not be suitable for very high-demand or heavy-duty industrial applications where oil-lubricated compressors traditionally perform better.

Oil-free compressors are an excellent choice for applications requiring clean, contaminant-free air. They offer significant benefits in terms of maintenance, environmental impact, and compliance with industry standards. While they may come with a higher initial cost and potential noise concerns, their advantages often outweigh these factors, especially in environments where air purity is critical.

Choosing between an oil-free and oil-lubricated compressor depends on the specific needs and requirements of the application. For industries prioritizing air quality and low maintenance, oil-free compressors are generally a superior option.

How can I make my oil free air compressor quieter?


Making an oil-free air compressor quieter can improve your work environment, particularly if you use the compressor in a home workshop, dental office, or any other noise-sensitive area. Here are several strategies to reduce the noise level of your oil-free air compressor:

Strategies to Reduce Noise

Soundproof Enclosure:
Build or Purchase an Enclosure: A soundproof box or cabinet can significantly reduce noise. Ensure it has proper ventilation to prevent overheating.
Use Soundproofing Materials: Line the inside of the enclosure with sound-absorbing materials such as acoustic foam, rubber, or fiberglass.

Vibration Isolation:
Anti-Vibration Pads: Place the compressor on anti-vibration pads or mats to reduce noise caused by vibrations. These can be made of rubber or other damping materials.
Isolation Mounts: Use vibration isolation mounts or feet to further reduce the transmission of vibration noise.

Relocate the Compressor:
Move to a Different Location: Place the compressor in a separate room, basement, or an outside shed if possible. Ensure the location is dry and well-ventilated.
Use Longer Hoses: Extend the length of your air hoses to keep the compressor further away from the workspace.

Mufflers and Silencers:
Install an Intake Silencer: Adding a silencer to the air intake can reduce the noise produced by the intake process.
Exhaust Mufflers: Some compressors allow for the installation of mufflers on the exhaust to dampen noise.

Regular Maintenance:
Lubricate Moving Parts: While oil-free compressors don’t require oil for lubrication, other parts may still benefit from periodic lubrication to reduce noise.
Tighten Loose Parts: Ensure all bolts, screws, and fittings are tight to prevent noise caused by loose components.

Use Sound-Absorbing Materials in the Room:
Acoustic Panels: Install acoustic panels on the walls and ceiling of the room to absorb noise.
Carpets and Curtains: Adding carpets, rugs, or heavy curtains can help dampen sound in the room.

Replace or Upgrade Components:
Quieter Components: Some compressors allow for the replacement of certain parts (like fans or motors) with quieter versions.
Upgrade the Compressor: If noise remains a significant issue, consider investing in a newer, quieter model designed with noise reduction in mind.

Additional Tips:
Operate at Lower Pressure Settings: If your application allows, operating the compressor at a lower pressure setting can reduce noise.
Use During Off-Hours: Operate the compressor during times when noise will be less disruptive.

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