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China Good quality High Quality 10 Year Warranty Professional Customized Top Selling Air Cooling with Compressor air compressor for sale

Product Description


Product Description

Refrigeration capacity of this series covers from 1.2KW to 114KW, fitting with different refrigerant such as R134a·R404A·R507A·R407C·R22.



Scientific structure, high efficient, frost evenly, save power and bw running cost;

Match with axial fan quiet models that offer strong air flow in long shot rang;power saving, long life cycle;

Lead to perfect tightness between pipe and fin after expansion processing;

Match with stainless electric heater in high insulating property, defrost efficiently in shot time;

The heat exchanging coil pass gas tightness test up to 2.6MPa air pressure;

Aluminum and painted stan board, to meet your different demands.


Sphere of application

High temperature type:

(cold room temperature 12~- 2ºC)fin space:4.5mm;

Medium temperature type:

(cold room temperature-2 ~- 10ºC) fin space:6.0mm;

Low temperature type:

(cold room temperature – 10~-31ºC)f\n space:9.0mm;

→Tailor-made for customers

How to select right unit cooler model according to selected compressor rating condition refrigerating capacity 

1 )When the cold room temperature is around 0ºC,select unit cooler as Q.×1.0;

2)When the cold room temperature is around -18ºC,select unit cooler as Q.× 1.1;

3)When the cold room temperature is lower than -25ºC, select unit cooler as Q.×1.27;

When using R134a as refrigerant, please enlarge Q. (refrigerant capacity) 10%~15%when you selecting unit cooler.

Parameter table

Model Length(L) Width(W) Height(H) Physical size Water tube (inch) Connecting tube Φ  
B T H L E1 E2 E3 E4 E5 F Iulet(rnm) Outlet(mm) Water Inlet(inch) (kg)
UDLS-060B 1460 611 889 510 1150 575 575 / / 130 3 16 35 2001/1/2 106
UDDS-040B 105
UDJS-030B 104
UDLS-080B 1710 669 889 560 1400 700 700 / / 130 3 16 35 2001/1/2 136
UDDS-060B 134
UDJS-040B 132
UDLS-105B 1810 719 889 610 1500 750 750 / 1 130 3 16 50 2001/1/2 153
UDDS-080B 150
UDJS-055B 147
UDLS-135B 2260 719 889 610 1950 650 650 650 1 130 3 22 50 1-1/2×2 194
UDDS-100B 190
UDJS-070B 188
UDLS-160B 2760 719 889 610 2450 817 816 817 / 130 3 22 50 1-1/2×2 227
UDDS-120B 222
UDJS-085B 217
UDLS-185B 3571 719 889 610 2700 675 675 675 675 130 3 25 50 1-1/2×2 258
UDDS-140B 255
UDJS-100B 252
UDLS-210B 2910 769 889 660 2600 650 650 650 650 130 3 25 50 1-1/2×2 274
UDDS-160B 267
UDJS-115B 260
UDLS-260B 3110 769 989 660 2800 933 934 933 / 130 4 25 50 2×2 311
UDDS-200B 302
UDJS-140B 295
UDLS-330B 3571 819 989 710 2700 675 675 675 675 130 4 25 50 2×2 348
UDDS-250B 337
UDJS-170B 330
UDLS-400B 3571 819 1086 710 2700 675 675 675 675 130 4 25 54 2×2 388
UDDS-300B 375
UDJS-210B 370
UDLS-210BT 2060 1059 1008 710 1750 875 875 / / 130 4 25 50 2 282
UDDS-160BT 275
UDJS-115BT 268
UDLS-260BT 2490 1059 1008 710 2180 1090 1090 / / 130 4 25 50 2 319
UDDS-200BT 310
UDJS-140BT 305
UDLS-330BT UDDS-250BT UDJS – 170BT 3571 1059 1008 710 2700 900 900 900 1 130 4 25 54 2×2 398
UDLS-400BT 3571 1059 1108 710 2700 900 900 900 / 130 4 25 54 2×2 424
UDDS-300BT 411
UDJS-210BT 405
UDLS-500BT 3571 1159 1108 810 2700 900 900 900 / 130 4 25 54 2×2 473
UDDS-370BT 457
UDJS-250BT 450
UDLS-600BT 3210 1159 1208 810 2900 725 725 725 725 130 4 32 67 2×2 573
UDDS-450BT 553
UDJS-300BT 543
UDLS-640BT 3410 1174 1208 810 3100 775 775 775 775 130 4 2×25 2×54 2×2 594
UDDS-480BT 574
UDJS-320BT 564
UDLS-700BT 3710 1174 1208 810 3400 850 850 850 850 130 4 2×25 2×54 2×2 629
UDDS-520BT 607
UDJS-350BT 597

Company Profile

ZHangZhoug Damai Refrigeration Technology Co., Ltd is located in Shaoxin,ZHangZhoug.Damai is a company specializing in refrigeration and air conditioning equipment.Our main equipment is Cold room,Evaporator,Condenser,Condensing unit,Compressor,Cold room panel/door and so on.We have more than 10 years of experience in the field of cold storage, with high-quality technology and professional product knowledge.We are able to provide consumers with professional and high-quality technical services.The quality of our products can be guaranteed.

Main Features

1) Air cooler series products of sheet metal parts all use hydraulic or hydraulic punch one-time punched,appearance,structure strength of products.

2) Sheet metal parts are crimped aluminum and spray plate,stainless steel plate three,users can choose according to need.

3)By insulating U tubular electrothermal strong pipe,electric heating pipe is inserted inside the coil,defrosting time is short,the effect is good,also can be selected as required water defrosting and hot Freon defrosting.

4) Coil adopts a thick copper pipes ,improving the service life of aluminum sheet ,aluminum sheet with high rise tube and the copper tube,through close contact,the effect of heat transfer increase to reach the pole.

5) Using high efficiency fan,air volume,far range,low noise,and low power consumption,long service life,high reliability.

6)Products manufactured before all through the holding pressure filling nitrogen.

Packaging Details

The normal package is wooden box(Size: L*W*H). If export to european countries,the wooden box will be fumigated.If container is too tigher,we will use pe film for packing or pack it according to customers special request.

Our Service

1.We have got CE & ISO CERTIFICATES.
2.100% QC inspection Before Shipment.
3.We are China Leading refrigeration Equipment manufacturer, we have more than 10years experience.
4.Professional Team, there are more than 2 hundred employees in our company, including more than 10 engineers.
5.we are widely used in various types of cold storage, preservation library, supermarket freezers, cold water systems and so on .We offer professional customization.


1.Are you a factory or a trading company?

  We are a factory.

2.Which refrigerant do you need?

R22,R404a and accept customers’ request.

3. Which condenser do you prefer?

 water cooled /air cooled and evaporation cooled.

4. What is the ambient temperature and water inlet temperature?

Refrigerating capacity and power input based on ambient temperature 32ºC, condensing temperature 45ºC.

(PS: If Rack run at higher/lower evaporating temperature or ambient temperature, please contact with our company)

5. What is the power?

Rack main power supply is 3 phase,380V/50HZ,control power supply is 1 Phase, 220V/50HZ.

(PS:We can make the power according to your request)

6. What is your warranty?

We can assure you 1 year against manufacturing defect.


/* January 22, 2571 19:08:37 */!function(){function s(e,r){var a,o={};try{e&&e.split(“,”).forEach(function(e,t){e&&(a=e.match(/(.*?):(.*)$/))&&1

After-sales Service: 1year
Warranty: 1year
Type: Air-Cooled
Cooling Water: Industrial Water
System Type: Closed System
Fans Species: Frequency Fan
US$ 1500/Piece
1 Piece(Min.Order)

Request Sample



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

Can air compressors be used for inflating tires and sporting equipment?

Yes, air compressors can be used for inflating tires and sporting equipment, providing a convenient and efficient method for achieving the desired air pressure. Here’s how air compressors are used for these purposes:

1. Tire Inflation:

Air compressors are commonly used for inflating vehicle tires, including car tires, motorcycle tires, bicycle tires, and even larger truck or trailer tires. Air compressors provide a continuous source of pressurized air, allowing for quick and accurate inflation. They are often used in automotive repair shops, gas stations, and by individuals who regularly need to inflate tires.

2. Sporting Equipment Inflation:

Air compressors are also useful for inflating various types of sporting equipment. This includes inflatable balls such as soccer balls, basketballs, footballs, and volleyballs. Additionally, air compressors can be used to inflate inflatable water toys, air mattresses, inflatable kayaks, and other recreational items that require air for proper inflation.

3. Air Tools for Inflation:

Air compressors can power air tools specifically designed for inflation purposes. These tools, known as inflators or air blow guns, provide controlled airflow for inflating tires and sporting equipment. They often have built-in pressure gauges and nozzles designed to fit different types of valves, making them versatile and suitable for various inflation tasks.

4. Adjustable Pressure:

One advantage of using air compressors for inflation is the ability to adjust the pressure. Most air compressors allow users to set the desired pressure level using a pressure regulator or control knob. This feature ensures that tires and sporting equipment are inflated to the recommended pressure, promoting optimal performance and safety.

5. Efficiency and Speed:

Air compressors provide a faster and more efficient inflation method compared to manual pumps. The continuous supply of compressed air allows for quick inflation, reducing the time and effort required to inflate tires and sporting equipment manually.

6. Portable Air Compressors:

For inflating tires and sporting equipment on the go, portable air compressors are available. These compact and lightweight compressors can be easily carried in vehicles or taken to sports events and outdoor activities, ensuring convenient access to a reliable air supply.

It is important to note that when using air compressors for inflating tires, it is recommended to follow manufacturer guidelines and proper inflation techniques to ensure safety and avoid overinflation.

air compressor

How do you choose the right size of air compressor for your needs?

Choosing the right size of air compressor is essential to ensure optimal performance and efficiency for your specific needs. Here are some factors to consider when selecting the appropriate size:

1. Air Demand: Determine the air demand requirements of your applications. Calculate the total CFM (Cubic Feet per Minute) needed by considering the air consumption of all the pneumatic tools and equipment that will be operated simultaneously. Choose an air compressor with a CFM rating that meets or exceeds this total demand.

2. Pressure Requirements: Consider the required operating pressure for your applications. Check the PSI (Pounds per Square Inch) rating of the tools and equipment you will be using. Ensure that the air compressor you choose can deliver the necessary pressure consistently.

3. Duty Cycle: Evaluate the duty cycle of the air compressor. The duty cycle represents the percentage of time the compressor can operate within a given time period without overheating or experiencing performance issues. If you require continuous or heavy-duty operation, choose a compressor with a higher duty cycle.

4. Power Source: Determine the available power source at your location. Air compressors can be powered by electricity or gasoline engines. Ensure that the chosen compressor matches the available power supply and consider factors such as voltage, phase, and fuel requirements.

5. Portability: Assess the portability requirements of your applications. If you need to move the air compressor frequently or use it in different locations, consider a portable or wheeled compressor that is easy to transport.

6. Space and Noise Constraints: Consider the available space for installation and the noise restrictions in your working environment. Choose an air compressor that fits within the allocated space and meets any noise regulations or requirements.

7. Future Expansion: Anticipate any potential future expansions or increases in air demand. If you expect your air demand to grow over time, it may be wise to choose a slightly larger compressor to accommodate future needs and avoid the need for premature replacement.

8. Budget: Consider your budgetary constraints. Compare the prices of different air compressor models while ensuring that the chosen compressor meets your specific requirements. Keep in mind that investing in a higher-quality compressor may result in better performance, durability, and long-term cost savings.

By considering these factors and evaluating your specific needs, you can choose the right size of air compressor that will meet your air demand, pressure requirements, and operational preferences, ultimately ensuring efficient and reliable performance.

China Good quality High Quality 10 Year Warranty Professional Customized Top Selling Air Cooling with Compressor   air compressor for saleChina Good quality High Quality 10 Year Warranty Professional Customized Top Selling Air Cooling with Compressor   air compressor for sale
editor by CX 2024-03-07

China OEM Top Performance Direct-Driven AC Power 380V 30kw 40HP Screw Air-Compressor for Mask Machine small air compressor

Product Description

Top Performance Direct-driven Ac Power 380v 30kw 40hp Screw Air-compressor for Mask Machine

Technical Parameters Of PM Variable speed screw air compressor:

Model WZS-40EVA
Air Flow/Working pressure 5.0m3/min @ 8bar
4.4m3/min @ 10bar
Cooling type of COMPRESSOR Air cooling
Cooling type of MOTOR Air cooling
Driven method Direct Driven
Start way Soft VSD Start
Exhaust Temp. < ambient temp. +8 degrees
Oil content <2ppm
Noise 68±2 dB(A)
Power 380VAC/3ph/0~200Hz
Motor power 30kw/40hp
Dimension 1380*850*1150mm
Weight 680kg


Model Power
Air flow
Compression stages Outlet diameter
WZS-15EVA 11 8 1.8 62±2 Single 1″ 1300 860 1030 380
10 1.6
WZS-20EVA 15 8 2.2 63±2 Single 1″ 1300 860 1030 480
10 2.0
WZS-30EVA 22 8 3.8 66±2 Single 1¼” 1380 850 1150 620
10 3.0
WZS-40EVA 30 8 5.0 68±2 Single 1¾” 1380 850 1150 680
10 4.4
WZS-50EVA 37 8 6.8 68±2 Single 1½” 1600 1000 1370 850
10 5.4
WZS-60EVA 45 8 8.0 68±2 Single 1½” 1600 1000 1370 880
10 6.8
WZS-75EVA 55 8 9.7 69±2 Single 2″ 1700 1270 1500 1350
10 8.6
WZS-100EVA 75 8 13.2 70±2 Single 2″ 2150 1300 1700 1650
10 11.6
WZS-125EVA 90 8 15.0 70±2 Single 2″ 2150 1100 1500 1950
10 14.6
WZS-150EVA 110 8 19.0 71±2 Single DN65 2550 1650 1850 2600
10 17.0
WZS-180EVA 132 8 23.0 72±2 Single DN65 2550 1650 1850 2880
10 20.0
WZS-200EVA 160 8 26.5 75±2 Single DN80 2950 1800 1850 3200
10 22.5


Before quotation:
1.Before quoting, what should users offer?
1).Discharge pressure (Bar, Mpa or Psi)
2).Air discharge/Air flow/Air capacity (m3/min or CFM)
3).Power supply (220/380V, 50/60Hz, 3Phase)

2.If I don’t know the pressure and air flow, what should I do?
1).Take the picture of nameplate, we will advise the suitable air compressor to you.
2).Tell us what industry you are, we can advise the suitable 1 (so as to air tank / air dryer / air filters).

High Efficiency PM Motor and Energy Saving
*With the high-performance permanent magnet material, PM motor won’t lose magnetism even under 120°c and can run for more than 15 years.
*No motor bearing: permanent magnet rotors is installed directly on the stretch out shaft of Male rotor. This structure doesn’t have the bearing and eliminates the motor bearing fault. 
*Comparing to normal variable speed motor, the permanent magnet synchronous motor performs with even better energy efficiency. Especially in the low-speed condition, it can still maintain a high motor efficiency.

Delivery: time 5-25 working days after payment receipt confirmed(based on actual quantity)
packing:standard export packing. or customized packing as your
Professional: goods shipping forwarder.

Q: OEM/ODM, or customers logo printed is available?
Yes, OEM/ODM, customers logo is welcomed.

Q:  Delivery date?
Usually 5-25 workdays after receiving deposit, specific delivery date based on order quantity

Q: what’s your payment terms?
Regularly doing 30% deposit and 70% balance by T/T, Western Union, Paypal, otherpayment terms also can be discussed based on our cooperation.

Q: How to control your quality?
We have professional QC team, control the quality during the mass production and inspectthe completely goods before shipping.

Q:  If we don’t have shipping forwarder in China, would you do this for us?
We can offer you best shipping line to ensure you can get the goods timely at best price.

Q: come to China before, can you be my guide in China?
We are happy to provide you orservice, such as booking ticket, pick up at the airport, booking hotel, accompany visiting market or factory

  /* January 22, 2571 19:08:37 */!function(){function s(e,r){var a,o={};try{e&&e.split(“,”).forEach(function(e,t){e&&(a=e.match(/(.*?):(.*)$/))&&1

After-sales Service: Video Technical Support
Warranty: Unit 1 Year, Air End 2 Years
Lubrication Style: Oil-less
Cooling System: Air Cooling
Power Source: AC Power
Cylinder Position: Vertical


air compressor

Can air compressors be used for shipbuilding and maritime applications?

Air compressors are widely used in shipbuilding and maritime applications for a variety of tasks and operations. The maritime industry relies on compressed air for numerous essential functions. Here’s an overview of how air compressors are employed in shipbuilding and maritime applications:

1. Pneumatic Tools and Equipment:

Air compressors are extensively used to power pneumatic tools and equipment in shipbuilding and maritime operations. Pneumatic tools such as impact wrenches, drills, grinders, sanders, and chipping hammers require compressed air to function. The versatility and power provided by compressed air make it an ideal energy source for heavy-duty tasks, maintenance, and construction activities in shipyards and onboard vessels.

2. Painting and Surface Preparation:

Air compressors play a crucial role in painting and surface preparation during shipbuilding and maintenance. Compressed air is used to power air spray guns, sandblasting equipment, and other surface preparation tools. Compressed air provides the force necessary for efficient and uniform application of paints, coatings, and protective finishes, ensuring the durability and aesthetics of ship surfaces.

3. Pneumatic Actuation and Controls:

Air compressors are employed in pneumatic actuation and control systems onboard ships. Compressed air is used to operate pneumatic valves, actuators, and control devices that regulate the flow of fluids, control propulsion systems, and manage various shipboard processes. Pneumatic control systems offer reliability and safety advantages in maritime applications.

4. Air Start Systems:

In large marine engines, air compressors are used in air start systems. Compressed air is utilized to initiate the combustion process in the engine cylinders. The compressed air is injected into the cylinders to turn the engine’s crankshaft, enabling the ignition of fuel and starting the engine. Air start systems are commonly found in ship propulsion systems and power generation plants onboard vessels.

5. Pneumatic Conveying and Material Handling:

In shipbuilding and maritime operations, compressed air is used for pneumatic conveying and material handling. Compressed air is utilized to transport bulk materials, such as cement, sand, and grain, through pipelines or hoses. Pneumatic conveying systems enable efficient and controlled transfer of materials, facilitating construction, cargo loading, and unloading processes.

6. Air Conditioning and Ventilation:

Air compressors are involved in air conditioning and ventilation systems onboard ships. Compressed air powers air conditioning units, ventilation fans, and blowers, ensuring proper air circulation, cooling, and temperature control in various ship compartments, cabins, and machinery spaces. Compressed air-driven systems contribute to the comfort, safety, and operational efficiency of maritime environments.

These are just a few examples of how air compressors are utilized in shipbuilding and maritime applications. Compressed air’s versatility, reliability, and convenience make it an indispensable energy source for various tasks and systems in the maritime industry.

air compressor

Are there differences between single-stage and two-stage air compressors?

Yes, there are differences between single-stage and two-stage air compressors. Here’s an in-depth explanation of their distinctions:

Compression Stages:

The primary difference between single-stage and two-stage air compressors lies in the number of compression stages they have. A single-stage compressor has only one compression stage, while a two-stage compressor has two sequential compression stages.

Compression Process:

In a single-stage compressor, the entire compression process occurs in a single cylinder. The air is drawn into the cylinder, compressed in a single stroke, and then discharged. On the other hand, a two-stage compressor utilizes two cylinders or chambers. In the first stage, air is compressed to an intermediate pressure in the first cylinder. Then, the partially compressed air is sent to the second cylinder where it undergoes further compression to reach the desired final pressure.

Pressure Output:

The number of compression stages directly affects the pressure output of the air compressor. Single-stage compressors typically provide lower maximum pressure levels compared to two-stage compressors. Single-stage compressors are suitable for applications that require moderate to low air pressure, while two-stage compressors are capable of delivering higher pressures, making them suitable for demanding applications that require greater air pressure.


Two-stage compressors generally offer higher efficiency compared to single-stage compressors. The two-stage compression process allows for better heat dissipation between stages, reducing the chances of overheating and improving overall efficiency. Additionally, the two-stage design allows the compressor to achieve higher compression ratios while minimizing the work done by each stage, resulting in improved energy efficiency.


Intercooling is a feature specific to two-stage compressors. Intercoolers are heat exchangers placed between the first and second compression stages. They cool down the partially compressed air before it enters the second stage, reducing the temperature and improving compression efficiency. The intercooling process helps to minimize heat buildup and reduces the potential for moisture condensation within the compressor system.


The choice between a single-stage and two-stage compressor depends on the intended application. Single-stage compressors are commonly used for light-duty applications such as powering pneumatic tools, small-scale workshops, and DIY projects. Two-stage compressors are more suitable for heavy-duty applications that require higher pressures, such as industrial manufacturing, automotive service, and large-scale construction.

It is important to consider the specific requirements of the application, including required pressure levels, duty cycle, and anticipated air demand, when selecting between a single-stage and two-stage air compressor.

In summary, the main differences between single-stage and two-stage air compressors lie in the number of compression stages, pressure output, efficiency, intercooling capability, and application suitability.

air compressor

How do oil-lubricated and oil-free air compressors differ?

Oil-lubricated and oil-free air compressors differ in terms of their lubrication systems and the presence of oil in their operation. Here are the key differences:

Oil-Lubricated Air Compressors:

1. Lubrication: Oil-lubricated air compressors use oil for lubricating the moving parts, such as pistons, cylinders, and bearings. The oil forms a protective film that reduces friction and wear, enhancing the compressor’s efficiency and lifespan.

2. Performance: Oil-lubricated compressors are known for their smooth and quiet operation. The oil lubrication helps reduce noise levels and vibration, resulting in a more comfortable working environment.

3. Maintenance: These compressors require regular oil changes and maintenance to ensure the proper functioning of the lubrication system. The oil filter may need replacement, and the oil level should be regularly checked and topped up.

4. Applications: Oil-lubricated compressors are commonly used in applications that demand high air quality and continuous operation, such as industrial settings, workshops, and manufacturing facilities.

Oil-Free Air Compressors:

1. Lubrication: Oil-free air compressors do not use oil for lubrication. Instead, they utilize alternative materials, such as specialized coatings, self-lubricating materials, or water-based lubricants, to reduce friction and wear.

2. Performance: Oil-free compressors generally have a higher airflow capacity, making them suitable for applications where a large volume of compressed air is required. However, they may produce slightly more noise and vibration compared to oil-lubricated compressors.

3. Maintenance: Oil-free compressors typically require less maintenance compared to oil-lubricated ones. They do not need regular oil changes or oil filter replacements. However, it is still important to perform routine maintenance tasks such as air filter cleaning or replacement.

4. Applications: Oil-free compressors are commonly used in applications where air quality is crucial, such as medical and dental facilities, laboratories, electronics manufacturing, and painting applications. They are also favored for portable and consumer-grade compressors.

When selecting between oil-lubricated and oil-free air compressors, consider the specific requirements of your application, including air quality, noise levels, maintenance needs, and expected usage. It’s important to follow the manufacturer’s recommendations for maintenance and lubrication to ensure the optimal performance and longevity of the air compressor.

China OEM Top Performance Direct-Driven AC Power 380V 30kw 40HP Screw Air-Compressor for Mask Machine   small air compressor China OEM Top Performance Direct-Driven AC Power 380V 30kw 40HP Screw Air-Compressor for Mask Machine   small air compressor
editor by CX 2024-03-06