China Professional 2022 Dt-2ew-38 Oil Free Silent Oil Free Air Compressor air compressor lowes

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.





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
Start-up Pressure: 0.5MPa
Noise: 55~62dB


air compressor

What is the impact of humidity on compressed air quality?

Humidity can have a significant impact on the quality of compressed air. Compressed air systems often draw in ambient air, which contains moisture in the form of water vapor. When this air is compressed, the moisture becomes concentrated, leading to potential issues in the compressed air. Here’s an overview of the impact of humidity on compressed air quality:

1. Corrosion:

High humidity in compressed air can contribute to corrosion within the compressed air system. The moisture in the air can react with metal surfaces, leading to rust and corrosion in pipes, tanks, valves, and other components. Corrosion not only weakens the structural integrity of the system but also introduces contaminants into the compressed air, compromising its quality and potentially damaging downstream equipment.

2. Contaminant Carryover:

Humidity in compressed air can cause carryover of contaminants. Water droplets formed due to condensation can carry particulates, oil, and other impurities present in the air. These contaminants can then be transported along with the compressed air, leading to fouling of filters, clogging of pipelines, and potential damage to pneumatic tools, machinery, and processes.

3. Decreased Efficiency of Pneumatic Systems:

Excessive moisture in compressed air can reduce the efficiency of pneumatic systems. Water droplets can obstruct or block the flow of air, leading to decreased performance of pneumatic tools and equipment. Moisture can also cause problems in control valves, actuators, and other pneumatic devices, affecting their responsiveness and accuracy.

4. Product Contamination:

In industries where compressed air comes into direct contact with products or processes, high humidity can result in product contamination. Moisture in compressed air can mix with sensitive products, leading to quality issues, spoilage, or even health hazards in industries such as food and beverage, pharmaceuticals, and electronics manufacturing.

5. Increased Maintenance Requirements:

Humidity in compressed air can increase the maintenance requirements of a compressed air system. Moisture can accumulate in filters, separators, and other air treatment components, necessitating frequent replacement or cleaning. Excessive moisture can also lead to the growth of bacteria, fungus, and mold within the system, requiring additional cleaning and maintenance efforts.

6. Adverse Effects on Instrumentation:

Humidity can adversely affect instrumentation and control systems that rely on compressed air. Moisture can disrupt the accuracy and reliability of pressure sensors, flow meters, and other pneumatic instruments, leading to incorrect measurements and control signals.

To mitigate the impact of humidity on compressed air quality, various air treatment equipment is employed, including air dryers, moisture separators, and filters. These devices help remove moisture from the compressed air, ensuring that the air supplied is dry and of high quality for the intended applications.

air compressor

How are air compressors used in refrigeration and HVAC systems?

Air compressors play a vital role in refrigeration and HVAC (Heating, Ventilation, and Air Conditioning) systems, providing the necessary compression of refrigerant gases and facilitating the heat transfer process. Here are the key ways in which air compressors are used in refrigeration and HVAC systems:

1. Refrigerant Compression:

In refrigeration systems, air compressors are used to compress the refrigerant gas, raising its pressure and temperature. This compressed gas then moves through the system, where it undergoes phase changes and heat exchange to enable cooling or heating. The compressor is the heart of the refrigeration cycle, as it pressurizes and circulates the refrigerant.

2. Refrigeration Cycle:

The compression of refrigerant gas by the air compressor is an essential step in the refrigeration cycle. After compression, the high-pressure, high-temperature gas flows to the condenser, where it releases heat and condenses into a liquid. The liquid refrigerant then passes through an expansion valve or device, which reduces its pressure and temperature. This low-pressure, low-temperature refrigerant then enters the evaporator, absorbing heat from the surrounding environment and evaporating back into a gas. The cycle continues as the gas returns to the compressor for re-compression.

3. HVAC Cooling and Heating:

In HVAC systems, air compressors are used to facilitate cooling and heating processes. The compressor compresses the refrigerant gas, which allows it to absorb heat from the indoor environment in the cooling mode. The compressed gas releases heat in the outdoor condenser unit and then circulates back to the compressor to repeat the cycle. In the heating mode, the compressor reverses the refrigeration cycle, absorbing heat from the outdoor air or ground source and transferring it indoors.

4. Air Conditioning:

Air compressors are an integral part of air conditioning systems, which are a subset of HVAC systems. Compressed refrigerant gases are used to cool and dehumidify the air in residential, commercial, and industrial buildings. The compressor pressurizes the refrigerant, initiating the cooling cycle that removes heat from the indoor air and releases it outside.

5. Compressor Types:

Refrigeration and HVAC systems utilize different types of air compressors. Reciprocating compressors, rotary screw compressors, and scroll compressors are commonly used in these applications. The selection of the compressor type depends on factors such as system size, capacity requirements, efficiency, and application-specific considerations.

6. Energy Efficiency:

Efficient operation of air compressors is crucial for refrigeration and HVAC systems. Energy-efficient compressors help minimize power consumption and reduce operating costs. Additionally, proper compressor sizing and system design contribute to the overall energy efficiency of refrigeration and HVAC systems.

By effectively compressing refrigerant gases and facilitating the heat transfer process, air compressors enable the cooling and heating functions in refrigeration and HVAC systems, ensuring comfortable indoor environments and efficient temperature control.

air compressor

What is the purpose of an air compressor?

An air compressor serves the purpose of converting power, typically from an electric motor or an engine, into potential energy stored in compressed air. It achieves this by compressing and pressurizing air, which can then be used for various applications. Here’s a detailed explanation of the purpose of an air compressor:

1. Powering Pneumatic Tools: One of the primary uses of an air compressor is to power pneumatic tools. Compressed air can be used to operate a wide range of tools, such as impact wrenches, nail guns, paint sprayers, sanders, and drills. The compressed air provides the necessary force and energy to drive these tools, making them efficient and versatile.

2. Supplying Clean and Dry Air: Air compressors are often used to supply clean and dry compressed air for various industrial processes. Many manufacturing and production operations require a reliable source of compressed air that is free from moisture, oil, and other contaminants. Air compressors equipped with appropriate filters and dryers can deliver high-quality compressed air for applications such as instrumentation, control systems, and pneumatic machinery.

3. Inflating Tires and Sports Equipment: Air compressors are commonly used for inflating tires, whether it’s for vehicles, bicycles, or sports equipment. They provide a convenient and efficient method for quickly filling tires with the required pressure. Air compressors are also used for inflating sports balls, inflatable toys, and other similar items.

4. Operating HVAC Systems: Air compressors play a crucial role in the operation of heating, ventilation, and air conditioning (HVAC) systems. They provide compressed air for controlling and actuating dampers, valves, and actuators in HVAC systems, enabling precise regulation of air flow and temperature.

5. Assisting in Industrial Processes: Compressed air is utilized in various industrial processes. It can be used for air blow-off applications, cleaning and drying parts, powering air-operated machinery, and controlling pneumatic systems. Air compressors provide a reliable and efficient source of compressed air that can be tailored to meet the specific requirements of different industrial applications.

6. Supporting Scuba Diving and Breathing Systems: In scuba diving and other breathing systems, air compressors are responsible for filling diving tanks and supplying breathable air to divers. These compressors are designed to meet strict safety standards and deliver compressed air that is free from contaminants.

Overall, the purpose of an air compressor is to provide a versatile source of compressed air for powering tools, supplying clean air for various applications, inflating tires and sports equipment, supporting industrial processes, and facilitating breathing systems in specific contexts.

China Professional 2022 Dt-2ew-38 Oil Free Silent Oil Free Air Compressor   air compressor lowesChina Professional 2022 Dt-2ew-38 Oil Free Silent Oil Free Air Compressor   air compressor lowes
editor by CX 2023-11-13