Product Description
|
Product name |
Oil Free Water Lubricated Screw Air Compressor |
|
Model |
WLS |
|
Cooling Method |
Air Cooling |
|
Pressure |
8/1013 bar |
|
Power |
5.5-250 kw |
|
Capacity |
0.3~33.97 m3/min |
|
Voltage |
380V/50HZ, 220V/60HZ, 400V/50HZ, 415V/50HZ or Customer′s Requirements |
|
Color |
Customized |
Advantage
1.Clean air 100% oil-free
2.Use water instead of oil, higher cooling efficiency and compression efficiency
3.Optimal isothermal compression
4.Powerful MAM microcomputer controller and touch screen
5.Reasonable Structure, with perfect balancing
6.Components made of anti-rust and anti-corrosion materials ensure the durability
7.Significant energy saving, environmental-friendly and pollution-free
8.Designed especially for medical, pharmacy, instrument, coating, chemical industry and food processing, etc.
| Model | Pressure (mpa) |
Displacement (m³/min) |
Power (kw) |
Noise (db) |
Water Inlet Diameter | Lubricating Water (L) |
Air Outlet |
| WLS-0.8/5.5 | 0.8 | 0.3-0.78 | 5.5 | 57 | 3/4″ | 10 | 3/4″ |
| WLS-1.0/5.5 | 1.0 | 0.2-0.65 | |||||
| WLS-0.8/7.5 | 0.8 | 0.35-0.17 | 7.5 | 57 | 3/4″ | 10 | 3/4″ |
| WLS-1.0/7.5 | 1.0 | 0.3-1.05 | |||||
| WLS-1.25/7.5 | 1.25 | 0.24-0.81 | |||||
| WLS-0.8/11 | 0.8 | 0.54-1.72 | 11 | 60 | 1″ | 26 | 3/4″ |
| WLS-1.0/11 | 1 | 0.45-1.42 | |||||
| WLS-1.25/11 | 1.3 | 0.35-1.10 | |||||
| WLS-0.8/15 | 0.8 | 0.75-2.43 | 15 | 60 | 1″ | 26 | 1″ |
| WLS-1.0/15 | 1.0 | 0.65-2.17 | |||||
| WLS-1.25/15 | 1.25 | 0.6-1.80 | |||||
| WLS-0.8/18.5 | 0.8 | 0.9-3.31 | 18.5 | 63 | 1″ | 30 | 1″ |
| WLS-1.0/18.5 | 1 | 0.9-2.82 | |||||
| WLS-1.25/18.5 | 1.3 | 0.6-2.05 | |||||
| WLS-0.8/22 | 0.8 | 1.1-3.7 | 22 | 63 | 1″ | 30 | 1″ |
| WLS-1.0/22 | 1.0 | 0.97-3.21 | |||||
| WLS-1.25/22 | 1.25 | 0.85-2.87 | |||||
| WLS-0.8/30 | 0.8 | 1.55-5.2 | 30 | 63 | 1 1/2″ | 40 | 1 1/2″ |
| WLS-1.0/30 | 1 | 1.255-4.43 | |||||
| WLS-1.25/30 | 1.3 | 1.1-3.63 | |||||
| WLS-0.8/37 | 0.8 | 1.91-6.50 | 37 | 66 | 1 1/2″ | 40 | 1 1/2″ |
| WLS-1.0/37 | 1.0 | 1.6-5.53 | |||||
| WLS-1.25/37 | 1.25 | 1.42-4.47 | |||||
| WLS-0.8/45 | 0.8 | 2.5-8.3 | 45 | 66 | 1 1/2″ | 90 | 2″ |
| WLS-1.0/45 | 1 | 1.91-6.3 | |||||
| WLS-1.25/45 | 1.3 | 1.7-5.56 | |||||
| WLS-0.8/55 | 0.8 | 3.0-10.3 | 55 | 69 | 1 1/2″ | 100 | 2″ |
| WLS-1.0/55 | 1.0 | 2.6-8.55 | |||||
| WLS-1.25/55 | 1.25 | 2.3-7.67 | |||||
| WLS-0.8/75 | 0.8 | 3.95-13 | 75 | 72 | 1 1/2″ | 100 | 2″ |
| WLS-1.0/75 | 1 | 3.4-11.5 | |||||
| WLS-1.25/75 | 1.3 | 3.0-9.7 | |||||
| WLS-0.8/90 | 0.8 | 5.0-16.6 | 90 | 73 | 1 1/2″ | 120 | 2 1/2″ |
| WLS-1.0/90 | 1.0 | 4.3-14.66 | |||||
| WLS-1.25/90 | 1.25 | 3.72-12.6 | |||||
| WLS-0.8/110 | 0.8 | 6.0-20.2 | 110 | 77 | 2″ | 120 | 2 1/2″ |
| WLS-1.0/110 | 1 | 5.0-16.66 | |||||
| WLS-1.25/110 | 1.3 | 4.65-15.56 | |||||
| WLS-0.8/132 | 0.8 | 6.75-22.52 | 132 | 77 | 2″ | 120 | 2 1/2″ |
| WLS-1.0/132 | 1.0 | 6.0-19.97 | |||||
| WLS-1.25/132 | 1.25 | 5.07-16.90 | |||||
| WLS-0.8/160 | 0.8 | 8.5-28.11 | 160 | 79 | 3″ | 160 | 3″ |
| WLS-1.0/160 | 1 | 7.6-25.45 | |||||
| WLS-1.25/160 | 1.3 | 6.7-22.52 | |||||
| WLS-0.8/185 | 0.8 | 10-33.97 | 185 | 79 | 3″ | 160 | 3″ |
| WLS-1.0/185 | 1.0 | 8.72-29 | |||||
| WLS-1.25/185 | 1.25 | 7.75-25.21 | |||||
| WLS-0.8/200 | 0.8 | 11.2-36.75 | 200 | 80 | 4″ | 200 | 4″ |
| WLS-1.0/200 | 1 | 9.68-32.78 | |||||
| WLS-1.25/200 | 1.3 | 9.2-29.24 | |||||
| WLS-0.8/250 | 0.8 | 13.5-45 | 250 | 80 | 4″ | 200 | 4″ |
| WLS-1.25/250 | 1.3 | 10.2-33.97 |
ZheJiang CHINAMFG Gas Compressor Manufacturing Co.,Ltd. founded in 2005, is a leading high technology of machine and equipment manufacturer integrating the design, R&D, production, sales and service for air compressors & Mining Equipment. Adopting advanced technology, design concept and quality control, and we are able to provide customized products to meet customers’ OEM needs.
Our company has more than 520 employees, including 86 senior technicians and professional engineers. Our technical team provides our customers with professional air system solutions. With the total 15000 square meters of the facility, 4 modern advanced production lines are built up to ensure production capacity to meet customer requirements.
Our company has been awarded the honorary title of “ZheJiang high-tech enterprise” and our products enjoy high honors in the industry. Our company has the ISO9001 certification and was awarded the qualification certificate of equipment through military contracts in 2018.
We offer the following products and services:
1. Screw air compressor
1.1 Oil-free screw air compressor
1.2 Oil-injected air compressor
2. Reciprocating piston air compressor
2.1 Piston air compressor
2.2 Oil-free piston air compressor
2.3 Piston medium & high-pressure air compressor
3.Portable air compressor & Mining Equipment
3.1 Diesel or Electric portable screw air compressor
3.2 Air Pick, Rock Drill, DTH Drilling Rig, Crawler Drilling Rig
4. Air compressor accessories
4.1 CHINAMFG or Adsorption compressed air drier
4.2 Compressed air filter or tank
4.3 Lubrication oil
We have a complete system of after-sales service and quality assurance. The company’s material purchase, inspection, manufacturing, installation, and testing are strictly in accordance with the ISO procedures. which will ensure each compressor has reliable quality and has a complete record to trace, if needed.
Q: Do you test all your goods before delivery?
A: Yes, we have 100% test before delivery.
Q: How can we start order with your factory?
A: First, leave us an inquiry and advise which item you’re interested, and then we will contact you in 24 hours. You’re so kind if provide all detailed information, will better for us to know exactly what you need.
Q: What are your MOQ?
A: Different products have different MOQ, most is 1 set.
Q: What is your terms of payment?
A: T/T 30% as deposit, and 70% before delivery. We’ll show you the photos of the products and packages.
Q: How about your delivery time?
A: Generally, it will take 90 days after receiving your advance payment. The specific delivery time depends on the items and the quantity of your order.
Q: Do you a trade company or real factory?
A: We are 100% factory; we located in ZheJiang city, China.
|
Shipping Cost:
Estimated freight per unit. |
To be negotiated |
|---|
| After-sales Service: | Online Support |
|---|---|
| Warranty: | Unit 1 Year, Air End 2 Years |
| Lubrication Style: | Oil-free |
| Customization: |
Available
|
|
|---|
.webp)
What are the advantages of using rotary vane compressors?
Rotary vane compressors offer several advantages that make them a popular choice for various applications. These compressors are widely used in industries where a reliable and efficient source of compressed air is required. Here are the advantages of using rotary vane compressors:
1. Compact and Lightweight:
Rotary vane compressors are typically compact and lightweight compared to other types of compressors. Their compact design makes them suitable for installations where space is limited, such as in small workshops or mobile applications. The lightweight nature of these compressors allows for easy transportation and maneuverability.
2. High Efficiency:
Rotary vane compressors are known for their high efficiency. The design of the vanes and the compression chamber allows for smooth and continuous compression, resulting in minimal energy losses. This efficiency translates into lower energy consumption and reduced operating costs over time.
3. Quiet Operation:
Rotary vane compressors operate with relatively low noise levels. The design of the compressor, including the use of vibration damping materials and sound insulation, helps to minimize noise and vibrations during operation. This makes rotary vane compressors suitable for applications where noise reduction is important, such as in indoor environments or noise-sensitive areas.
4. Oil Lubrication:
Many rotary vane compressors utilize oil lubrication, which provides several benefits. The oil lubrication helps to reduce wear and friction between the moving parts, resulting in extended compressor life and improved reliability. It also contributes to better sealing and improved efficiency by minimizing internal leakage.
5. Versatile Applications:
Rotary vane compressors are versatile and can be used in a wide range of applications. They are suitable for both industrial and commercial applications, including automotive workshops, small manufacturing facilities, dental offices, laboratories, and more. They can handle various compressed air requirements, from light-duty tasks to more demanding applications.
6. Easy Maintenance:
Maintenance of rotary vane compressors is relatively straightforward. Routine maintenance tasks typically include oil changes, filter replacements, and periodic inspection of vanes and seals. The simplicity of the design and the availability of replacement parts make maintenance and repairs easier and more cost-effective.
These advantages make rotary vane compressors an attractive choice for many applications, providing reliable and efficient compressed air solutions.
.webp)
How are air compressors employed in the mining industry?
Air compressors play a crucial role in the mining industry, providing reliable and efficient power for various mining operations. Here are some common applications of air compressors in mining:
1. Exploration and Drilling:
Air compressors are used during exploration and drilling activities in the mining industry. Compressed air is used to power drilling rigs, pneumatic hammers, and other drilling equipment. The high-pressure air generated by the compressor helps in drilling boreholes, extracting core samples, and exploring potential mineral deposits.
2. Ventilation and Air Quality Control:
Air compressors are employed in underground mining to provide ventilation and control air quality. Compressed air is used to operate ventilation fans and air circulation systems, ensuring adequate airflow and removing harmful gases, dust, and fumes from the mining tunnels and work areas.
3. Material Conveyance:
In mining operations, air compressors are used for material conveyance. Pneumatic systems powered by air compressors are utilized to transport materials such as coal, ore, and other minerals. Compressed air is used to operate pneumatic conveyors, pumps, and material handling equipment, allowing for efficient and controlled movement of bulk materials.
4. Dust Suppression:
Air compressors are employed for dust suppression in mining areas. Compressed air is used to spray water or other suppressants to control dust generated during mining activities. This helps in maintaining a safe and healthy work environment, reducing the risks associated with dust inhalation and improving visibility.
5. Instrumentation and Control:
Air compressors are used for instrumentation and control purposes in mining operations. Compressed air is utilized to power pneumatic control systems, control valves, and actuators. These systems regulate the flow of fluids, control equipment movements, and ensure the proper functioning of various mining processes.
6. Explosive Applications:
In mining, air compressors are used for explosive applications. Compressed air is employed to power pneumatic tools used for rock fragmentation, such as rock drills and pneumatic breakers. The controlled power of compressed air enables safe and efficient rock breaking without the need for traditional explosives.
7. Maintenance and Repair:
Air compressors are essential for maintenance and repair activities in the mining industry. Compressed air is used for cleaning machinery, removing debris, and powering pneumatic tools for equipment maintenance and repair tasks. The versatility and portability of air compressors make them valuable assets in maintaining mining equipment.
It is important to note that different mining operations may have specific requirements and considerations when selecting and using air compressors. The size, capacity, and features of air compressors can vary based on the specific mining application and environmental conditions.
By utilizing air compressors effectively, the mining industry can benefit from increased productivity, improved safety, and efficient operation of various mining processes.
.webp)
How does an air compressor work?
An air compressor works by using mechanical energy to compress and pressurize air, which is then stored and used for various applications. Here’s a detailed explanation of how an air compressor operates:
1. Air Intake: The air compressor draws in ambient air through an intake valve or filter. The air may pass through a series of filters to remove contaminants such as dust, dirt, and moisture, ensuring the compressed air is clean and suitable for its intended use.
2. Compression: The intake air enters a compression chamber, typically consisting of one or more pistons or a rotating screw mechanism. As the piston moves or the screw rotates, the volume of the compression chamber decreases, causing the air to be compressed. This compression process increases the pressure and reduces the volume of the air.
3. Pressure Build-Up: The compressed air is discharged into a storage tank or receiver where it is held at a high pressure. The tank allows the compressed air to be stored for later use and helps to maintain a consistent supply of compressed air, even during periods of high demand.
4. Pressure Regulation: Air compressors often have a pressure regulator that controls the output pressure of the compressed air. This allows the user to adjust the pressure according to the requirements of the specific application. The pressure regulator ensures that the compressed air is delivered at the desired pressure level.
5. Release and Use: When compressed air is needed, it is released from the storage tank or receiver through an outlet valve or connection. The compressed air can then be directed to the desired application, such as pneumatic tools, air-operated machinery, or other pneumatic systems.
6. Continued Operation: The air compressor continues to operate as long as there is a demand for compressed air. When the pressure in the storage tank drops below a certain level, the compressor automatically starts again to replenish the compressed air supply.
Additionally, air compressors may include various components such as pressure gauges, safety valves, lubrication systems, and cooling mechanisms to ensure efficient and reliable operation.
In summary, an air compressor works by drawing in air, compressing it to increase its pressure, storing the compressed air, regulating the output pressure, and releasing it for use in various applications. This process allows for the generation of a continuous supply of compressed air for a wide range of industrial, commercial, and personal uses.


editor by CX 2023-09-28
China OEM Water Lubricated Oil Free Stationary Electric Direct Driven Rotary Screw Air Compressor with high quality
Product Description
Working principle and characteristics of single screw compressor:
- Simple construction Low vibration
The single screw air compressor uses a single screw and 2 star wheels, 1 placed on either side of the screw. Radial and axial loads cancel each other, resulting a theoretically zero load. This is the most advanced designing structure of the single screw air compressor.
- High efficiency
Firstly, single screw air compressor theoretically doesn’t have any clearance volume. Secondly, the water used as a lubricating medium also seals gap inside the compression chamber, and enables high efficient operation at low speeds. Thirdly, using water as a cooling method keep compressor ideal isothermal compression.
- Energy saving
When the actual air usage is lower than rated air delivery, compressor consumes extra power without any air output during unloading. However, with inverter, compressor changes the rotary speed of motor depending on detected air pressure, resulting energy saving.
- Less noise
First, the motor and screw are directly connected without any rotation gear to cause gear noise. Meanwhile, sound absorbing materials are also used in the equipment shell to reduce noise.
- Stable air delivery
Depending on the valve of pressure sensor, the digital controller change the motor rotation speed through inverter. That is how it controls the discharge air pressure to make stable air output.
- Monitorable
Intelligent monitoring is used to prevent accidents. Emergency alarm appears on computers and short messages will also be sent to managers. All these are substantial to the prevention of production accidents.
Dry Type Oil-free Air Compressor Technical Parameters
| Model | Capacity(FAD)* | Maxinmum working | Installed motor power | Lubricated Water Capacity | Noise | Dimensions(mm) | Weight | Air outlet | Cooling Water Capacity | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| pressure | level** | pipe diameter | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| m3/min | cfm | bar(g) | psig | kw | hp | L/min | dB(A) | L*W*H(mm) | kg | Inch | T/h | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| DVAWH-55(W) | 1.8-6.0 | 64-212 | 20 | 290 | 37+15 | 50+20 | 86 | 70 | 29, China Our factory is located in No. 366, YangzhuangBang Street, Pingxing Rd., Xindai Town, HangZhou, ZHangZhoug Province, China Q3: Warranty terms of your machine? Q4: Will you provide some spare parts of the machines? Q5: How long will you take to arrange production? Q6: Can you accept OEM orders?
Types of Air CompressorsThere are many types of Air Compressors available on the market. Learn which one is right for your needs and what makes one better than another. Find out more about Single-stage models, Oil-free models, and Low-noise models. This article will explain these types and help you decide which one you need. You can also learn about Air Compressors that have single-stage compressors. If you are looking for a high-quality compressor, this article will help you choose a unit. Air CompressorsAir compressors work by forcing atmospheric air through an inlet valve. As the piston moves down, it pulls atmospheric air into the chamber. As the piston rises, it forces the compressed air out of the cylinder through an exhaust valve. One of the most common types of air compressor is the reciprocating type. Another type of compressor is a single-stage piston. These types of compressors compress air in one stroke – equivalent to the complete rotation of the piston’s crankshaft. Single-stage modelsWhen comparing single-stage air compressors, look for the term “stages.” Multi-stage compressors use two stages and can handle more capacity and pressure. One stage involves pressurizing air using a piston and a lower-pressure cylinder. This compressed air is then moved to a storage tank. Single-stage models tend to be more energy-efficient than their two-stage counterparts. But if you don’t need a high-pressure cylinder, a single-stage air compressor can be the best choice. Low-noise modelsDespite its name, low-noise models of air compressors are not all the same. The noise level of a compressor can be affected by several factors, including the power source and proximity to the machine. Reciprocal compressors are generally louder than electric ones because of their many moving parts. By contrast, rotary-screw and scroll compressors have fewer moving parts and are quieter. Oil-free modelsA number of oil-free models of air compressors are available, but what makes them special? Oil-free compressors don’t contain oil, so they’re lubricated by grease instead. They’re a good choice if you’re working with a small compressor and don’t want to risk damaging it. On the other hand, oil-free models do generate significant amounts of heat, which can damage the compressor. Higher pressure can grind the compressor against itself, or even warp it.
China manufacturer Medical 7/8/10 Bar 30kw Oil Free Electric Scroll Screw Air Compressor Machine Environmentally Friendly Water Lubricated Pump Parts best air compressorProduct Description
Product Features High quality oil fee compressed air: High Efficiency oil free scroll airend: High Reliability:
ZheJiang CZPT Gas Compressor Manufacturing Co.,Ltd. founded in 2005, is a leading high technology of machine and equipment manufacturer integrating the design, R&D, production, sales and service for air compressors & Mining Equipment. Adopting advanced technology, design concept and quality control, and we are able to provide customized products to meet customers’ OEM needs. Q: Do you test all your goods before delivery? Q: How can we start order with your factory? Q: What are your MOQ? Q: What is your terms of payment? Q: How about your delivery time? Q: Do you a trade company or real factory?
Choose an Air Compressor for Your BusinessThere are several factors to consider when choosing an air compressor for your business. One factor to consider is the type of compressor you are looking for, which may include single-stage, low noise, and positive displacement. Hope this article helps you make the right decision. After all, your business success will depend on this device! Let’s take a closer look at these factors. Also, consider what compressor manufacturers say about their products. Positive displacementPositive displacement air compressors compress air by drawing in a volume from an inlet and extruding it out of a chamber. This increases the pressure at which the gas can be pumped at rates that cannot be pumped through the outlet at lower pressures at higher mass flow rates. These types of compressors are available in single-acting and double-acting configurations. They are classified by the number of cylinders. Single-stageThe discharge pressure of the single-stage air compressor is used to control the operation of the compressor. Properly designed load/unload controls allow the air compressor to operate at its most efficient point while minimizing stress on the main engine bearings. Single-stage air compressors can approach variable speed efficiency with appropriate storage capacity. However, improper storage can cause premature bearing wear on the main unit. If this is the case, a single-stage air compressor may not be ideal. low noiseLow noise air compressors are ideal for a variety of applications. While no air compressor is completely silent, some models are much quieter than others. For the Hitachi EC28M portable compressor, the noise level is 59 decibels. The compressor features steel rollers that protect the internal components and give it a sleek, modern look. It also has a one-gallon fuel tank and a half-horsepower drive. | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||





