China Best Sales 2022 Dt-2ew-38 Oil Free Silent Oil Free Air Compressor air compressor oil

Product Description

2571 DT-2ew-38 Oil free Silent Oil Free Air Compressor

Rated Voltage: 220VAC 50Hz;

Rated voltage: 220VAC 50Hz;Current: 3.7A;Power: 840W;Volume flow: 70L/ min;Actuating pressure: 0.5Mpa;Rated exhaust pressure: 0.77Mpa;Gas holder volume: 32L;Noise: 58-64dB;Weight: 29Kg;
Package Size: 42* 42* 68cm(Carton) 

1.High quality compressor:

The compressed air oil free , greatly improved cleanness.Suitbale for dental clinic& laboratory which have strict requirement of qir quality

2. High efficiency &long lifespan:

the key moving parts engaged self lubricating function , high efficiency working motor can continuous 24-hours operation ,the lifespan is over 10 years .

 

3.Application of oil free dental air compressor :

 

it’saccomodate to dentistry,medical ,Laboratory; Pharmacy; Food Fermentation; Life Science; Biotechbology; Analytical Instrument

we have many kind air compressor from 1EW-38.TO 8EW-138

if order small quantity ,we can send it to you by express

if big order, by sea is best way 

Professional customer service staff 

HangZhou Dental Mecial Equipment Co., Ltd, Built in 2012, Speical in Producing in  Dental unit/Chair and Dental Equipemnt Export .

Now we have the CE AND ISO13485,Our Dental Unit/Chair is exported to More than 80 Countries and Area .

Our factory has scientific management system, stringent quality control and assurance, excellent team of skilled technical staff and production personnel, ensuring excellent quality for customers with OEM requirements, by which we have attained high reliability and high reputation in the market.

With strong R&D, we keep working on the improvement and innovation to advance with the evolving dentistry development.

Our dental equipments always receive warm welcome throughout the globe by high and stable quality, competitive price, and our best service and quick technical support.

If you are interested, please take a look around and select your favourite models.

We sincerely hope to cooperate with dental importer, distributor, dealer, wholesaler and retailer CHINAMFG and create a bright future

Our marketing network spread over the whole country, we have provided a large number of quality products for domestic large-scaled and middle hospitals,

Which has been favourably commented by Experts and colleagues. Taking the advanced technology as the forerunner, we deeply carry outOur marketing network spread over the whole country, we have provided a large number of quality products for domestic large-scaled and middle hospitals, which has been favourably commented by Experts and colleagues.

Taking the advanced technology as the forerunner, we deeply carry out enterprise interior basic management work and enjoy a high reputation across the country. Be awarded”Customers’

Trustworthy Enterprise” “advanced unit in quality” and so on. Take the Quality as the First, Customer as the Focus,

For the purpose of serving the public and requitig a society and strive for Excellent Realistic and innovative, The staff members of our company cordially welcome guests both at home and aboard to visit us for business or cooperation.

 ShowRoom

 WorkShop
                                                   

Warehouse

FAQ

Q1.  Are you a manufacturer, or a trading company?

A: We are the Direct Sales Company of  manufacturer

Q2. What’s the delivery time?

A:after the payment(50% Invoice Value), in the first week, we will Produce the dental Unit for you , in the second week, we will arrange the delivery for you ). if the order is too much , we will confirm it first 

Q3. What’s your price terms?

A: Our price is EX-Work price. For CIF & FOB price, welcome to contact us directly by email, phone.

Q4.How can I order?

A: We will make quotation after you send us your purchase plan (including product name, model and quantity). If you agree with the quotation, please send us your company name, address and telephone for goods delivery. We will make proforma invoice and inform you the payment way. Goods delivery details will also be informed accordingly.

Q5. What’s the payment method?

A: T/T (Bank Transfer), Western Union, Money Gram, Paypal.

Q6.What about the warranty period and after-sale service?

A: Dental equipment, like dental unit, autoclave, air compressor, x-ray unit, has 1 year warranty period.

If you have problem in using, you can describe the problem details, we will ask technician to give your solution. Free spare parts can be provided if necessary.

Q7.Do you supply OEM service?

A: Yes, we can supply OEM service for dental unit. Air compressor, X-Ray unit, dental handpiece,endo files, gutta percha, points, ect.

Q8. How to contact us?

A1: Send your Inquiry Details in the Below, Click “Send” Now!
A2: You can talk online
A3: You can talk online by WhatsApp or Wechat.

Applicable Departments: Orthodontic Department
Certification: ISO, CE
Type: Dental Unit
Material: Metal
Gas Holder Volume: 70L/Minute
Rated Voltage: 220V
Customization:
Available

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air compressor

What Are the Downsides of Using Oil-Free Air Compressors?

While oil-free air compressors offer numerous advantages, there are also some downsides to consider. Understanding these drawbacks is important when evaluating the suitability of oil-free compressors for specific applications. Here’s a detailed explanation of the downsides of using oil-free air compressors:

1. Higher Initial Cost:

Oil-free air compressors generally have a higher initial cost compared to oil-lubricated compressors. The design and technology used in oil-free compressors, such as specialized coatings, precision manufacturing, and advanced filtration systems, contribute to their higher price tag. This can be a significant factor for budget-conscious buyers or for applications where cost is a primary consideration. However, it’s important to weigh the initial cost against the long-term benefits and potential cost savings in terms of maintenance, energy efficiency, and reduced risk of oil contamination.

2. Reduced Durability:

Oil-free compressors may have slightly reduced durability compared to oil-lubricated compressors. The absence of oil for lubrication can result in increased wear on certain components, such as piston rings, valves, and bearings. However, modern advancements in materials and engineering have significantly improved the durability and lifespan of oil-free compressors. With proper maintenance and adherence to recommended operating conditions, oil-free compressors can still provide reliable performance over an extended period.

3. Higher Energy Consumption:

Oil-free air compressors typically have higher energy consumption compared to oil-lubricated compressors. The absence of oil for lubrication increases friction within the compressor, requiring more energy to overcome this resistance. However, advancements in compressor design, such as improved air ends, energy-efficient motors, and variable speed drives, have helped minimize this energy consumption gap. Additionally, the potential energy savings from eliminating the need for oil changes and reducing the risk of pressure drops due to oil contamination can offset the higher energy consumption over the compressor’s lifetime.

4. Limited Cooling Capacity:

Oil-free compressors may have limited cooling capacity compared to oil-lubricated compressors. Oil acts as a lubricant and coolant in oil-lubricated compressors, effectively dissipating heat generated during compression. In contrast, oil-free compressors rely on other cooling mechanisms, such as air or water cooling, which may have limitations in handling high heat loads. This can be a consideration for applications that require continuous or high-duty cycle operation in elevated ambient temperatures. Adequate cooling systems and proper monitoring of temperature limits are necessary to prevent overheating and ensure optimal performance of oil-free compressors.

5. Noisy Operation:

Oil-free air compressors are generally noisier compared to oil-lubricated compressors. The absence of lubricating oil can result in increased noise levels due to direct metal-to-metal contact between rotating and reciprocating parts. However, advancements in noise reduction technologies and sound insulation materials have helped mitigate this issue to some extent. Additionally, the noise level can vary between different models and brands of oil-free compressors, so it’s important to consider the specific noise requirements of the application and select a compressor that meets those criteria.

Despite these downsides, oil-free air compressors have become increasingly popular and widely used in various industries due to their advantages in providing clean, oil-free compressed air. It’s important to assess the specific requirements of the application, consider the trade-offs, and consult with compressed air experts to determine whether an oil-free compressor is the most suitable choice.

air compressor

What Are the Key Components of an Oil-Free Compressor System?

An oil-free compressor system consists of several key components that work together to compress air without the use of oil. Here’s a detailed explanation of the main components:

1. Air Intake:

The air intake is the entry point where ambient air is drawn into the compressor system. It typically includes a filter to prevent dust, debris, and other contaminants from entering the compressor and ensures clean air for compression.

2. Air Compressor Unit:

The air compressor unit is the core component responsible for compressing the incoming air. In an oil-free compressor system, this unit is designed to operate without the need for lubricating oil. It generally consists of one or more compression stages, each comprising a cylinder, piston, valves, and seals. The compression process raises the pressure of the air, resulting in compressed air output.

3. Compression Cooling System:

During the compression process, the air temperature increases significantly. To prevent overheating and ensure efficient operation, oil-free compressor systems employ cooling systems. These cooling systems can include air cooling or water cooling mechanisms, which help dissipate the heat generated during compression and maintain optimal operating temperatures.

4. Air/Oil Separation System:

An oil-free compressor system employs an air/oil separation system to ensure that no oil is carried over into the compressed air. This system typically consists of specialized filters or separators that remove any residual oil or oil mist from the compressed air before it leaves the compressor system. This separation process ensures that the compressed air remains oil-free.

5. Control and Monitoring Systems:

Modern oil-free compressor systems are equipped with advanced control and monitoring systems. These systems enable precise control of various parameters, such as pressure, temperature, and compressor speed. They also provide real-time monitoring of performance, efficiency, and potential issues. Control and monitoring systems allow for optimized operation, energy efficiency, and proactive maintenance.

6. Air Receiver Tank:

An air receiver tank, also known as a compressed air storage tank, is often included in oil-free compressor systems. The tank serves as a storage reservoir for the compressed air, providing a buffer to meet fluctuating air demand. It helps stabilize the pressure, reduces pressure fluctuations, and allows for more efficient usage of the compressed air in downstream applications.

7. Air Treatment Components:

Depending on the specific application requirements, oil-free compressor systems may include additional air treatment components. These components can include filters, dryers, and condensate management systems. Filters remove particulates and contaminants from the compressed air, while dryers remove moisture to ensure the production of clean, dry, and high-quality compressed air. Condensate management systems handle the separation and disposal of liquid condensate produced during the compression process.

8. Piping and Distribution System:

The piping and distribution system transports the compressed air from the compressor unit to the desired application points. It includes pipes, fittings, valves, and connectors that ensure proper airflow and distribution of the compressed air throughout the system. The piping system should be designed and sized appropriately to minimize pressure drops and optimize efficiency.

These are the fundamental components found in oil-free compressor systems. However, it’s important to note that the specific configuration and additional components may vary depending on the design, capacity, and intended application of the compressor system.

air compressor

How Does an Oil-Free Air Compressor Work?

An oil-free air compressor, also known as an oilless air compressor, operates using alternative methods to achieve compression without the need for lubricating oil. These compressors employ various techniques to deliver clean, oil-free compressed air. Here’s a detailed explanation of how an oil-free air compressor works:

1. Dry Compression:

In oil-free air compressors, the compression chamber is designed to operate without any oil present. The compression process starts with the intake stroke, where ambient air is drawn into the compressor through an inlet valve. The air is then compressed in the compression chamber without any oil lubrication.

2. Friction Reduction:

Since there is no oil in the compression chamber, special measures are taken to reduce friction and wear between the moving parts. These measures include the use of specialized materials, coatings, and surface treatments on the compressor components. These friction-reducing techniques minimize the need for lubrication and allow for efficient compression.

3. Piston Rings and Seals:

Oil-free compressors utilize advanced piston rings and seals to provide effective sealing without the need for oil lubrication. These rings and seals are designed to reduce internal leakage and ensure efficient compression. They help maintain the compression efficiency by minimizing air leakage during the compression process.

4. Cooling Mechanisms:

Oil-free air compressors often incorporate cooling mechanisms to dissipate the heat generated during compression. This helps prevent overheating and ensures the compressor operates within acceptable temperature limits. Common cooling methods include water cooling and air cooling. Water-cooled compressors use a water jacket or a separate cooling circuit to remove heat, while air-cooled compressors rely on fans and heat sinks to cool the compressor.

5. Filtration:

Oil-free compressors typically incorporate effective air filtration systems to remove contaminants, such as dust, particles, and moisture, from the intake air. These filtration systems ensure that the compressed air produced is clean and free from impurities. Depending on the application, additional filtration equipment, such as coalescing filters or activated carbon filters, may be employed to achieve specific air quality requirements.

6. Control and Safety Systems:

Oil-free air compressors are equipped with control and safety systems to monitor and regulate the compressor’s operation. These systems can include pressure switches, temperature sensors, safety valves, and control panels. They help maintain optimal operating conditions, protect the compressor from excessive pressures or temperatures, and provide safety features to prevent damage or accidents.

By employing these techniques and components, oil-free air compressors achieve compression without the need for lubricating oil. This results in clean, oil-free compressed air that is suitable for applications where oil contamination could be problematic, such as in industries like food processing, pharmaceuticals, electronics, and painting.

It’s important to note that the specific design and operation of oil-free air compressors may vary depending on the manufacturer and model. Therefore, it’s recommended to consult the manufacturer’s documentation and guidelines for detailed information on how a particular oil-free compressor works.

China Best Sales 2022 Dt-2ew-38 Oil Free Silent Oil Free Air Compressor   air compressor oilChina Best Sales 2022 Dt-2ew-38 Oil Free Silent Oil Free Air Compressor   air compressor oil
editor by CX 2023-09-30