Product Description
| SPECIFICATION | ||||||||
| Model |
Pressure MPa |
Flow rate m³/min |
Power Kw/HP |
Noise dB(A) |
Cooling capacity T/H |
Oiling L |
Outlet Dia G |
Weight Kg |
|
BW-8WA BW-8WW |
0.8 | 1.05 | 7.5/10 | 57 | 2 | 10 | 3/4 | 360 |
| 1.0 | 0.8 | |||||||
|
BW-11WA BW-11WW |
0.8 | 1.72 | 11/15 | 60 | 2.5 | 26 | 1 | 420 |
| 1.0 | 1.42 | |||||||
|
BW-15WA BW-15WW |
0.8 | 2.25 | 15/20 | 60 | 3.5 | 26 | 1 | 520 |
| 1.0 | 1.92 | |||||||
|
BW-18WA BW-18WW |
0.8 | 3.0 | 18.5/25 | 63 | 4 | 30 | 1 | 670 |
| 1.1 | 2.2 | |||||||
|
BW-22WA BW-22WW |
0.8 | 3.65 | 22/30 | 63 | 5 | 30 | 1 | 690 |
| 1.0 | 3.0 | |||||||
|
BW-30WA BW-30WW |
0.8 | 5.0 | 30/40 | 66 | 7 | 40 | 11/2 | 840 |
| 1.0 | 3.9 | |||||||
|
BW-37WA BW-37WW |
0.8 | 6.3 | 37/50 | 66 | 9 | 40 | 11/2 | 960 |
| 1.0 | 5.33 | |||||||
|
BW-45WA BW-45WW |
0.8 | 7.8 | 45/60 | 68 | 10 | 90 | 11/2 | 1080 |
| 1.0 | 6.3 | |||||||
|
BW-55WA BW-55WW |
0.8 | 10.1 | 55/75 | 69 | 12 | 100 | 11/2 | 1180 |
| 1.0 | 7.9 | |||||||
1,Are you manufacturer?
BW: Yes, we are professional air compressor manufacturer over 15 years and our factory is located in ZheJiang .
2,How long is your air compressor warranty?
BW: Air end for 2 years,other for 1 year.
3,Do you provide After- sales service parts?
BW: Of course, We could provide easy- consumable spares.
4,How long could your air compressor be used?
BW: Generally, more than 20 years.
5,How about your price?
BW: Based on high quality, Our price is very competitive in this market all over the world.
6,How about your customer service?
BW: For email, we could reply our customers’ emails within 2 hours.
7,Do you support OEM?
BW: YES, and we also provide multiple models to select. How to get quicker quotation?When you send us inquiry, please confirm
Below information at the same time:
* What is the air displacement (m3/min,cfm/min)?
* What is the air pressure (mpa,bar,psi)?
* What is the voltage in your factory (v/p/Hz)?
* It is ok if you need air tank, air dryer and filters.
This information is helpful for us to check suitable equipment solution and quotation quickly
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| After-sales Service: | 1 Year |
|---|---|
| Warranty: | 1 Year |
| Lubrication Style: | Oil-free |
| Cooling System: | Air Cooling |
| Power Source: | AC Power |
| Cylinder Position: | Vertical |
| Customization: |
Available
|
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|---|
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What are the advantages of using an air compressor in construction?
Using an air compressor in construction offers numerous advantages that contribute to increased efficiency, productivity, and versatility. Here are some key benefits of using air compressors in construction:
- Powering Pneumatic Tools: Air compressors are commonly used to power a wide range of pneumatic tools on construction sites. Tools such as jackhammers, nail guns, impact wrenches, drills, and sanders can be operated using compressed air. Pneumatic tools are often preferred due to their lightweight, compact design and ability to deliver high torque or impact force.
- Efficient Operation: Air compressors provide a continuous and reliable source of power for pneumatic tools, allowing for uninterrupted operation without the need for frequent battery changes or recharging. This helps to maintain a smooth workflow and reduces downtime.
- Portability: Many construction air compressors are designed to be portable, featuring wheels or handles for easy maneuverability on job sites. Portable air compressors can be transported to different areas of the construction site as needed, providing power wherever it is required.
- Versatility: Air compressors are versatile tools that can be used for various applications in construction. Apart from powering pneumatic tools, they can also be utilized for tasks such as inflating tires, cleaning debris, operating air-operated pumps, and powering air horns.
- Increased Productivity: The efficient operation and power output of air compressors enable construction workers to complete tasks more quickly and effectively. Pneumatic tools powered by air compressors often offer higher performance and faster operation compared to their electric or manual counterparts.
- Cost Savings: Air compressors can contribute to cost savings in construction projects. Pneumatic tools powered by air compressors are generally more durable and have longer lifespans compared to electric tools. Additionally, since air compressors use compressed air as their power source, they do not require the purchase or disposal of batteries or fuel, reducing ongoing operational expenses.
- Reduced Electrocution Risk: Construction sites can be hazardous environments, with the risk of electrocution from electrical tools or equipment. By utilizing air compressors and pneumatic tools, the reliance on electrical power is minimized, reducing the risk of electrocution accidents.
It is important to select the appropriate air compressor for construction applications based on factors such as required air pressure, volume, portability, and durability. Regular maintenance, including proper lubrication and cleaning, is crucial to ensure the optimal performance and longevity of air compressors in construction settings.
In summary, the advantages of using air compressors in construction include powering pneumatic tools, efficient operation, portability, versatility, increased productivity, cost savings, and reduced electrocution risk, making them valuable assets on construction sites.
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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.
Efficiency:
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:
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.
Applications:
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.
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What is the difference between a piston and rotary screw compressor?
Piston compressors and rotary screw compressors are two common types of air compressors with distinct differences in their design and operation. Here’s a detailed explanation of the differences between these two compressor types:
1. Operating Principle:
- Piston Compressors: Piston compressors, also known as reciprocating compressors, use one or more pistons driven by a crankshaft to compress air. The piston moves up and down within a cylinder, creating a vacuum during the intake stroke and compressing the air during the compression stroke.
- Rotary Screw Compressors: Rotary screw compressors utilize two intermeshing screws (rotors) to compress air. As the male and female screws rotate, the air is trapped between them and gradually compressed as it moves along the screw threads.
2. Compression Method:
- Piston Compressors: Piston compressors achieve compression through a positive displacement process. The air is drawn into the cylinder and compressed as the piston moves back and forth. The compression is intermittent, occurring in discrete cycles.
- Rotary Screw Compressors: Rotary screw compressors also employ a positive displacement method. The compression is continuous as the rotating screws create a continuous flow of air and compress it gradually as it moves along the screw threads.
3. Efficiency:
- Piston Compressors: Piston compressors are known for their high efficiency at lower flow rates and higher pressures. They are well-suited for applications that require intermittent or variable air demand.
- Rotary Screw Compressors: Rotary screw compressors are highly efficient for continuous operation and are designed to handle higher flow rates. They are often used in applications with a constant or steady air demand.
4. Noise Level:
- Piston Compressors: Piston compressors tend to generate more noise during operation due to the reciprocating motion of the pistons and valves.
- Rotary Screw Compressors: Rotary screw compressors are generally quieter in operation compared to piston compressors. The smooth rotation of the screws contributes to reduced noise levels.
5. Maintenance:
- Piston Compressors: Piston compressors typically require more frequent maintenance due to the higher number of moving parts, such as pistons, valves, and rings.
- Rotary Screw Compressors: Rotary screw compressors have fewer moving parts, resulting in lower maintenance requirements. They often have longer service intervals and can operate continuously for extended periods without significant maintenance.
6. Size and Portability:
- Piston Compressors: Piston compressors are available in both smaller portable models and larger stationary units. Portable piston compressors are commonly used in construction, automotive, and DIY applications.
- Rotary Screw Compressors: Rotary screw compressors are typically larger and more suitable for stationary installations in industrial and commercial settings. They are less commonly used in portable applications.
These are some of the key differences between piston compressors and rotary screw compressors. The choice between the two depends on factors such as required flow rate, pressure, duty cycle, efficiency, noise level, maintenance needs, and specific application requirements.


editor by CX 2024-01-22
China Standard New Configuration Oilfree Aircompressors 40 HP 30 Kw 10bar 200cfm 40HP 30kw Screw Oil Free Air Compressor Air Compressor best air compressor
Product Description
OFAC oil-free screw air compressor used Japanese Mitsui’s original technology, who is the only maintenance service provider in China.
| TECHNICAL DATA |
||||||||||
| Model | Power | Pressure (bar) | Air Flow (m3/min) | Noise Level dBA | Outlet Size | Weight (kgs) | Lubricating Water(L) | Filter Element (B)-(Z) | Dimension LxWxH (mm) | |
| OF-7.5F | 7.5kw | 10hp | 8 | 1.0 | 60 | RP 3/4 | 400 | 22 | (25cm) 1 | 1000*720*1050 |
| OF-11F | 11kw | 15hp | 8 | 1.6 | 63 | 460 | 1156*845*1250 | |||
| OF-15F | 15kw | 20hp | 8 | 2.5 | 65 | RP 1 | 620 | 28 | (50cm) 1 | 1306*945*1260 |
| OF-18F | 18.5kw | 25hp | 8 | 3.0 | 67 | 750 | 33 | 1520*1060*1390 | ||
| OF-22F | 22kw | 30hp | 8 | 3.6 | 68 | 840 | 33 | 1520*1060*1390 | ||
| OF-30F | 30kw | 40hp | 8 | 5.0 | 69 | RP 11/4 | 1050 | 66 | (25cm) 5 | 1760*1160*1490 |
| OF-37F | 37kw | 50hp | 8 | 6.2 | 71 | 1100 | 1760*1160*1490 | |||
| OF-45S | 45kw | 60hp | 8 | 7.3 | 74 | RP 11/2 | 1050 | 88 | 1760*1160*1490 | |
| OF-45F | 45kw | 60hp | 8 | 7.3 | 74 | 1200 | 1760*1160*1490 | |||
| OF-55S | 55kw | 75hp | 8 | 10 | 74 | RP 2 | 1250 | 110 | (50cm) 5 | 1900*1250*1361 |
| OF-55F | 55kw | 75hp | 8 | 10 | 74 | 2200 | (50cm) 7 | 2350*1250*1880 | ||
| OF-75S | 75kw | 100hp | 8 | 13 | 75 | 1650 | (50cm) 5 | 1900*1250*1361 | ||
| OF-75F | 75kw | 100hp | 8 | 13 | 75 | 2500 | (50cm) 7 | 2550*1620*1880 | ||
| OF-90S | 90kw | 125hp | 8 | 15 | 76 | 2050 | (50cm) 5 | 1900*1250*1361 | ||
| OF-90F | 90kw | 125hp | 8 | 15 | 76 | 2650 | (50cm) 7 | 2550*1620*1880 | ||
| OF-110S | 110kw | 150hp | 8 | 20 | 78 | DN 65 | 2550 | 130 | (50cm) 12 | 2200*1600*1735 |
| OF-110F | 110kw | 150hp | 8 | 20 | 78 | 3500 | 130 | 3000*1700*2250 | ||
| OF-132S | 132kw | 175hp | 8 | 23 | 80 | 2700 | 130 | 2200*1600*2250 | ||
| OF-160S | 160kw | 220hp | 8 | 26 | 82 | 2900 | 165 | 2200*1600*2250 | ||
| OF-185S | 185kw | 250hp | 8 | 30 | 83 | DN 100 | 3300 | 180 | (50cm) 22 | 2860*1800*1945 |
| OF-200S | 200kw | 270hp | 8 | 33 | 83 | 3500 | 2860*1800*1945 | |||
| OF-220S | 220kw | 300hp | 8 | 36 | 85 | 4500 | 2860*2000*2300 | |||
| OF-250S | 250kw | 340hp | 8 | 40 | 85 | 4700 | 2860*2000*2300 | |||
| OF-315S | 315kw | 480hp | 8 | 50 | 90 | 5000 | 2860*2000*2300 | |||
F– air cooling method S– water cooling method
The brand “OFAC, OFC” specializes in the R&D, manufacturing, sales and service of compressors, oil-free compressors and air end, special gas compressors, various air compressors and post-processing equipment, providing customers with High-quality, environmentally friendly and efficient air system solutions and fast and stable technical services.
FAQ
Q1: Warranty terms of your machine?
A1: Two year warranty for the machine and technical support according to your needs.
Q2: Will you provide some spare parts of the machines?
A2: Yes, of course.
Q3: What about product package?
A3: We pack our products strictly with standard seaworthy case. Rcommend wooden box.
Q4: Can you use our brand?
A4: Yes, OEM is available.
Q5: How long will you take to arrange production?
A5: Immediate delivery for stock products. 380V 50HZ we can delivery the goods within 3-15 days. Other voltage or other color we will delivery within 30-45 days.
Q6: How Many Staff Are There In your Factory?
A6: About 100.
Q7: What’s your factory’s production capacity?
A7: About 550-650 units per month.
Q8: What the exactly address of your factory?
A8: Our first workshop located in HangZhou, ZheJiang , second workshop located in HangZhou, ZheJiang , China.
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| After-sales Service: | 2 Years |
|---|---|
| Warranty: | 2 Years |
| Lubrication Style: | Oil-free |
| Customization: |
Available
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| Shipping Cost:
Estimated freight per unit. |
about shipping cost and estimated delivery time. |
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| Payment Method: |
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|---|---|
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Initial Payment Full Payment |
| Currency: | US$ |
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| Return&refunds: | You can apply for a refund up to 30 days after receipt of the products. |
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Can air compressors be used for painting and sandblasting?
Yes, air compressors can be used for both painting and sandblasting applications. Here’s a closer look at how air compressors are utilized for painting and sandblasting:
Painting:
Air compressors are commonly used in painting processes, especially in automotive, industrial, and construction applications. Here’s how they are involved:
- Spray Guns: Air compressors power spray guns used for applying paint coatings. The compressed air atomizes the paint, creating a fine mist that can be evenly sprayed onto surfaces. The pressure and volume of the compressed air impact the spray pattern, coverage, and overall finish quality.
- Paint Mixers and Agitators: Compressed air is often used to power mixers and agitators that ensure proper blending of paint components. These devices use the compressed air to stir or circulate the paint, preventing settling and maintaining a consistent mixture.
- Airbrushing: Air compressors are essential for airbrushing techniques, which require precise control over airflow and pressure. Airbrushes are commonly used in artistic applications, such as illustrations, murals, and fine detailing work.
Sandblasting:
Air compressors play a crucial role in sandblasting operations, which involve propelling abrasive materials at high velocity to clean, etch, or prepare surfaces. Here’s how air compressors are used in sandblasting:
- Blasting Cabinets: Air compressors power blasting cabinets or booths, which are enclosed spaces where the sandblasting process takes place. The compressed air propels the abrasive media, such as sand or grit, through a nozzle or gun, creating a forceful stream that impacts the surface being treated.
- Abrasive Blasting Pots: Air compressors supply air to abrasive blasting pots or tanks that store and pressurize the abrasive media. The compressed air from the compressor enters the pot, pressurizing it and allowing for a controlled release of the abrasive material during the sandblasting process.
- Air Dryers and Filters: In sandblasting applications, it is crucial to have clean, dry air to prevent moisture and contaminants from affecting the abrasive blasting process and the quality of the surface being treated. Air compressors may be equipped with air dryers and filters to remove moisture, oil, and impurities from the compressed air.
When using air compressors for painting or sandblasting, it is important to consider factors such as the compressor’s pressure and volume output, the specific requirements of the application, and the type of tools or equipment being used. Consult the manufacturer’s guidelines and recommendations to ensure the air compressor is suitable for the intended painting or sandblasting tasks.
Proper safety measures, such as wearing protective gear and following established protocols, should always be followed when working with air compressors for painting and sandblasting applications.
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How does the horsepower of an air compressor affect its capabilities?
The horsepower of an air compressor is a crucial factor that directly impacts its capabilities and performance. Here’s a closer look at how the horsepower rating affects an air compressor:
Power Output:
The horsepower rating of an air compressor indicates its power output or the rate at which it can perform work. Generally, a higher horsepower rating translates to a greater power output, allowing the air compressor to deliver more compressed air per unit of time. This increased power output enables the compressor to operate pneumatic tools and equipment that require higher air pressure or greater airflow.
Air Pressure:
The horsepower of an air compressor is directly related to the air pressure it can generate. Air compressors with higher horsepower ratings have the capacity to produce higher air pressures. This is particularly important when operating tools or machinery that require specific air pressure levels to function optimally. For example, heavy-duty pneumatic tools like jackhammers or impact wrenches may require higher air pressure to deliver the necessary force.
Air Volume:
In addition to air pressure, the horsepower of an air compressor also affects the air volume or airflow it can provide. Higher horsepower compressors can deliver greater volumes of compressed air, measured in cubic feet per minute (CFM). This increased airflow is beneficial when using pneumatic tools that require a continuous supply of compressed air, such as paint sprayers or sandblasters.
Duty Cycle:
The horsepower rating of an air compressor can also influence its duty cycle. The duty cycle refers to the amount of time an air compressor can operate continuously before it needs to rest and cool down. Higher horsepower compressors often have larger and more robust components, allowing them to handle heavier workloads and operate for longer periods without overheating. This is particularly important in demanding applications where continuous and uninterrupted operation is required.
Size and Portability:
It’s worth noting that the horsepower rating can also affect the physical size and portability of an air compressor. Higher horsepower compressors tend to be larger and heavier due to the need for more substantial motors and components to generate the increased power output. This can impact the ease of transportation and maneuverability, especially in portable or mobile applications.
When selecting an air compressor, it is essential to consider the specific requirements of your intended applications. Factors such as desired air pressure, airflow, duty cycle, and portability should be taken into account. It’s important to choose an air compressor with a horsepower rating that aligns with the demands of the tools and equipment you plan to operate, ensuring optimal performance and efficiency.
Consulting the manufacturer’s specifications and guidelines can provide valuable information on how the horsepower rating of an air compressor corresponds to its capabilities and suitability for different tasks.
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Can you explain the basics of air compressor terminology?
Understanding the basic terminology related to air compressors can help in better comprehension of their operation and discussions related to them. Here are some essential terms related to air compressors:
1. CFM (Cubic Feet per Minute): CFM is a unit of measurement that denotes the volumetric flow rate of compressed air. It indicates the amount of air a compressor can deliver within a minute and is a crucial factor in determining the compressor’s capacity.
2. PSI (Pounds per Square Inch): PSI is a unit of measurement used to quantify pressure. It represents the force exerted by the compressed air on a specific area. PSI is a vital specification for understanding the pressure capabilities of an air compressor and determining its suitability for various applications.
3. Duty Cycle: Duty cycle refers to the percentage of time an air compressor can operate in a given time period. It indicates the compressor’s ability to handle continuous operation without overheating or experiencing performance issues. For instance, a compressor with a 50% duty cycle can run for half the time in a given hour or cycle.
4. Horsepower (HP): Horsepower is a unit used to measure the power output of a compressor motor. It indicates the motor’s capacity to drive the compressor pump and is often used as a reference for comparing different compressor models.
5. Receiver Tank: The receiver tank, also known as an air tank, is a storage vessel that holds the compressed air delivered by the compressor. It helps in stabilizing pressure fluctuations, allowing for a more consistent supply of compressed air during peak demand periods.
6. Single-Stage vs. Two-Stage: These terms refer to the number of compression stages in a reciprocating air compressor. In a single-stage compressor, air is compressed in a single stroke of the piston, while in a two-stage compressor, it undergoes initial compression in one stage and further compression in a second stage, resulting in higher pressures.
7. Oil-Free vs. Oil-Lubricated: These terms describe the lubrication method used in air compressors. Oil-free compressors have internal components that do not require oil lubrication, making them suitable for applications where oil contamination is a concern. Oil-lubricated compressors use oil for lubrication, enhancing durability and performance but requiring regular oil changes and maintenance.
8. Pressure Switch: A pressure switch is an electrical component that automatically starts and stops the compressor motor based on the pre-set pressure levels. It helps maintain the desired pressure range in the receiver tank and protects the compressor from over-pressurization.
9. Regulator: A regulator is a device used to control and adjust the output pressure of the compressed air. It allows users to set the desired pressure level for specific applications and ensures a consistent and safe supply of compressed air.
These are some of the fundamental terms associated with air compressors. Familiarizing yourself with these terms will aid in understanding and effectively communicating about air compressors and their functionality.


editor by CX 2023-12-23
China supplier CHINAMFG 8bar 10bar Heavy Duty with Atlas-Copco Air-End Air Compressor for Factory portable air compressor
Product Description
Product Description
HS series compressors are designed in accordance with the subtropical high temperature and high humidity working environment, and the optimized cooling design ensures that the unit can operate normally in a high temperature environment of 46°C.
Product Feature
1. Adhering to the concept of pursuing high-quality products, HS series compressors are designed in accordance with the subtropical high temperature and high humidity working environment, and the optimized cooling design ensures that the unit can operate continuously and normally in a high temperature environment of 46 °C.
2. Adopt the world-renowned CHINAMFG main motor. The protection grade is IP55. The insulation grade is F grade 100.
3. The gas circuit adopts the stainless steel pipe design of the American SAE standard, with low resistance and strong corrosion resistance, which completely eliminates the common problems of oil leakage, air leakage and air leakage under high pressure.
4. The patented synchronous two-stage compression technology is adopted, so that the compression ratio of each stage of the screw host is less than 6, which is lower than that of the ordinary screw air compressor, which ensures the service life of the screw host.
5. Each stage of the screw host has an independent oil cooling system and an automatic water removal system to ensure that the screw host can run stably around the clock.
6. The powerful third-generation e-Control controller has 6 operation monitoring points to comprehensively monitor the working conditions of the main engine, air filter, oil filter, oil separator, cooler and other important components, so that the compressor can run stably.
Specification
| Mode | HSV75A (W)-40 | HSV90A (W)-40 | HSV110A (W)-40 | HSV132A (W)-40 |
| Operating Pressure Bar (g) | 40 | 40 | 40 | 40 |
| Motor speed (kw) | 75 | 90 | 110 | 132 |
| Exhaust volume (m³/min) | 5.5 | 7.2 | 9.0 | 10.0 |
| Cooling method | water cooling | water cooling | water cooling | water cooling |
| Noise dB(A) | 72(75) | 74(78) | 74(78) | 74(78) |
| Length | 2550 | 3150 | 3150 | 3150 |
| Width | 1480 | 1880 | 1880 | 1880 |
| Height | 1850 | 1850 | 1850 | 1850 |
| Mode | HSV75A (W)-35 | HSV110A (W)-30 | HSV55A-25 | HSV90A-25 |
| Operating Pressure Bar(g) | 35 | 30 | 25 | 25 |
| Motor speed (kw) | 75 | 110 | 55 | 90 |
| Exhaust volume (m³/min) | 7.6 | 11.0 | 5.4 | 9.5 |
| Cooling method | air cooling (water cooling ) | air cooling(water cooling ) | 74(78) | air cooling |
| Noise dB(A) | 72(75) | 74(78) | 72(75) | 74(78) |
| Length | 2550 | 3150 | 2550 | 3150 |
| Width | 1480 | 1880 | 1480 | 1880 |
| Height | 1850 | 1850 | 1850 | 1850 |
| Mode | HSV180A-25 | HSV110A (W)-20 | ||
| Operating Pressure Ba(g) | 25 | 20 | ||
| Motor speed (kw) | 180 | 110 | ||
| Exhaust volume (m³/min) | 19.0 | 12.5 | ||
| Cooling method | air cooling(water cooling ) | air cooling(water cooling ) | ||
| Noise dB(A) | 78(82) | 74(78) | ||
| Length | 3980 | 3150 | ||
| Width | 1980 | 1880 | ||
| Height | 1980 | 1850 |
| After-sales Service: | Online |
|---|---|
| Lubrication Style: | Lubricated |
| Cooling System: | Air Cooling |
| Customization: |
Available
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Shipping Cost:
Estimated freight per unit. |
about shipping cost and estimated delivery time. |
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| Payment Method: |
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|---|---|
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Initial Payment Full Payment |
| Currency: | US$ |
|---|
| Return&refunds: | You can apply for a refund up to 30 days after receipt of the products. |
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Can air compressors be used for painting and sandblasting?
Yes, air compressors can be used for both painting and sandblasting applications. Here’s a closer look at how air compressors are utilized for painting and sandblasting:
Painting:
Air compressors are commonly used in painting processes, especially in automotive, industrial, and construction applications. Here’s how they are involved:
- Spray Guns: Air compressors power spray guns used for applying paint coatings. The compressed air atomizes the paint, creating a fine mist that can be evenly sprayed onto surfaces. The pressure and volume of the compressed air impact the spray pattern, coverage, and overall finish quality.
- Paint Mixers and Agitators: Compressed air is often used to power mixers and agitators that ensure proper blending of paint components. These devices use the compressed air to stir or circulate the paint, preventing settling and maintaining a consistent mixture.
- Airbrushing: Air compressors are essential for airbrushing techniques, which require precise control over airflow and pressure. Airbrushes are commonly used in artistic applications, such as illustrations, murals, and fine detailing work.
Sandblasting:
Air compressors play a crucial role in sandblasting operations, which involve propelling abrasive materials at high velocity to clean, etch, or prepare surfaces. Here’s how air compressors are used in sandblasting:
- Blasting Cabinets: Air compressors power blasting cabinets or booths, which are enclosed spaces where the sandblasting process takes place. The compressed air propels the abrasive media, such as sand or grit, through a nozzle or gun, creating a forceful stream that impacts the surface being treated.
- Abrasive Blasting Pots: Air compressors supply air to abrasive blasting pots or tanks that store and pressurize the abrasive media. The compressed air from the compressor enters the pot, pressurizing it and allowing for a controlled release of the abrasive material during the sandblasting process.
- Air Dryers and Filters: In sandblasting applications, it is crucial to have clean, dry air to prevent moisture and contaminants from affecting the abrasive blasting process and the quality of the surface being treated. Air compressors may be equipped with air dryers and filters to remove moisture, oil, and impurities from the compressed air.
When using air compressors for painting or sandblasting, it is important to consider factors such as the compressor’s pressure and volume output, the specific requirements of the application, and the type of tools or equipment being used. Consult the manufacturer’s guidelines and recommendations to ensure the air compressor is suitable for the intended painting or sandblasting tasks.
Proper safety measures, such as wearing protective gear and following established protocols, should always be followed when working with air compressors for painting and sandblasting applications.
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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.
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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 2023-12-01
China Professional 7bar 8bar 10bar Electric Industrial Compressor Dry Oil Free Air Compressor Manufacturers with Great quality
Product Description
7bar 8bar 10bar Electric Industrial Compressor Dry Oil Free Air Compressor Manufacturers
Product Description
What is dry oil-free?
Grade 0 oil-free, that is, the total oil content (oil brought in during compression + oil vapor in the air) index reaches ≤0.01mg/m³, “Oil-free” means that the gas does not come into contact with oil at all during the compression process, that is, there is no oil lubrication between the compression chambers or rotors of the compressor, but the compressor still uses ordinary lubricating oil for lubrication of bearings, gears and other components during the compression process . The lubrication method is the same, but an effective isolation shaft seal is used between these lubrication parts and the compression chamber.
Product Parameters
| Dry Oil-free Screw Air Compressor RDO Series | ||||||||||
| Model | Air Delivery (m3/min) | Power (kW) |
Noise dB(A) |
Outlet diameter |
Dimension (mm) | Weight (Kg) |
||||
| 7bar | 8bar | 10bar | Air-cooled | Water-cooled | Air-cooled | Water-cooled | ||||
| RDO-45A/W | 4.5-7.8 | 4.0-6.8 | 3.7-6.4 | 45 | 69±3 | DN50 | 2200*1400*2000 | 2200*1500*1720 | 2650 | 2700 |
| RDO-55A/W | 5.7-9.8 | 5.2-9.0 | 4.4-7.8 | 55 | 69±3 | DN50 | 2200*1400*2000 | 2200*1500*1720 | 2850 | 2900 |
| RDO-75A/W | 7.6-13.0 | 7.2-12.2 | 6.6-11.2 | 75 | 70±3 | DN50 | 2200*1400*2000 | 2200*1500*1720 | 2950 | 2900 |
| RDO-90A/W | 9.6-16.0 | 8.1-13.8 | 7.6-13.1 | 90 | 71±3 | DN50 | 2200*1400*2000 | 2200*1500*1720 | 3000 | 2950 |
| RDO-110A/W | 12.1-20.6 | 11.6-19.5 | 11.1-18.8 | 110 | 71±3 | DN65 | 3000*1990*2180 | 2800*1900*1990 | 3500 | 3550 |
| RDO-132A/W | 14.7-24.8 | 13.6-23.0 | 11.5-19.5 | 132 | 73±3 | DN65 | 3000*1990*2180 | 2800*1900*1990 | 3550 | 3600 |
| RDO-160A/W | 16.9-28.5 | 15.6-26.3 | 14.1-23.8 | 160 | 73±3 | DN65 | 3000*1990*2180 | 2800*1900*1990 | 3650 | 3750 |
| RDO-185A/W | 19.5-32.8 | 17.1-28.9 | 16.3-27.5 | 185 | 74±3 | DN65 | 3000*1990*2180 | 2800*1900*1990 | 4100 | 4200 |
| RDO-200A/W | 21.8-36.8 | 20.4-34.6 | 18.1-30.6 | 200 | 74±3 | DN100 | 4500*2000*2100 | 3100*2100*2065 | 5100 | 4500 |
| RDO-220A/W | 24.9-41.5 | 22.4-37.3 | 19.8-33.0 | 220 | 74±3 | DN100 | 4500*2000*2100 | 3100*2100*2065 | 5600 | 5000 |
| RDO-250A/W | 27.3-46.0 | 25.3-42.8 | 22.7-38.2 | 250 | 74±3 | DN100 | 4500*2000*2100 | 3100*2100*2065 | 5700 | 5200 |
| RDO-280A/W | 31.6-48.6 | 30.9-47.5 | 29.3-45.0 | 280 | 76±3 | DN100 | 4500*2000*2100 | 3100*2100*2065 | 5800 | 5300 |
| RDO-315A/W | 34.1-52.5 | 32.9-50.6 | 31.5-48.5 | 315 | 77±3 | DN100 | 4500*2000*2100 | 3100*2100*2065 | 6000 | 5400 |
Packaging & Shipping
1.Packing Details: Plywood crate pallet plus foam board and bubble film, Full closed wooden case. 1pcs/each package(for stationary screw air compressor).
2.Shipping method: by sea, by LCL/FCL or as requested.
3.Delivery method: FOB, CFR, CIF and EXW etc.
4.Delivery time: in 7-15 days after receiving deposit (customized machines not included).
FAQ
Q1. Are you trading company or manufacture ?
A: We are professional manufacture of screw air compressor of HangZhou,ZheJiang ,China. More than 18 years of experience in air compressor manufacturing.
Q2. How long is the delivery time ?
A: For standard voltage,15 working days. Non-standard ,please contact our sales.
Q3. What’s payment term ?
A: T/T, L/C, D/P, Western Union, Paypal, Credit Card, and etc. Also we could accept USD, RMB, Euro and other currency.
Q4. How about your after-sales service ?
A: 1.Provide customers with installation and commissioning online instructions.
2. Well-trained engineers available to overseas service.
3.CHINAMFG agents and after service avaiable.arrange our engineers to help you training and installation.
Q5. How about your warranty?
A: One year for the whole machine and 2 years for screw air end, except consumable spare parts.
Q6. Do you have any certificate ?
A: Yes, per different customer’s market need ,we can offer CE ,ISO etc certificate.
Q7. What about the maintenance ?
A: First maintenance need to be done after 500Hours, and then every 2000-3000 hours to do the normal maintenance, and consider the actual environment.
Q8. How do you control quality ?
A: 1. The raw materials are strictly inspected.
2. Some key parts are imported from overseas.
3. Each compressor must pass at least 5 hours of continuous testing before leaving the factory.
Q9. Do you offer OEM service ?
A: Yes.Both OEM & ODM service can be accepted.
Q10.How long could your air compressor be used?
A: Generally, more than 10 years.
| After-sales Service: | Online Support |
|---|---|
| Warranty: | 24month |
| Lubrication Style: | Lubricated |
| Customization: |
Available
|
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Shipping Cost:
Estimated freight per unit. |
about shipping cost and estimated delivery time. |
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| Payment Method: |
|
|---|---|
|
Initial Payment Full Payment |
| Currency: | US$ |
|---|
| Return&refunds: | You can apply for a refund up to 30 days after receipt of the products. |
|---|
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What are the advantages of using an air compressor in construction?
Using an air compressor in construction offers numerous advantages that contribute to increased efficiency, productivity, and versatility. Here are some key benefits of using air compressors in construction:
- Powering Pneumatic Tools: Air compressors are commonly used to power a wide range of pneumatic tools on construction sites. Tools such as jackhammers, nail guns, impact wrenches, drills, and sanders can be operated using compressed air. Pneumatic tools are often preferred due to their lightweight, compact design and ability to deliver high torque or impact force.
- Efficient Operation: Air compressors provide a continuous and reliable source of power for pneumatic tools, allowing for uninterrupted operation without the need for frequent battery changes or recharging. This helps to maintain a smooth workflow and reduces downtime.
- Portability: Many construction air compressors are designed to be portable, featuring wheels or handles for easy maneuverability on job sites. Portable air compressors can be transported to different areas of the construction site as needed, providing power wherever it is required.
- Versatility: Air compressors are versatile tools that can be used for various applications in construction. Apart from powering pneumatic tools, they can also be utilized for tasks such as inflating tires, cleaning debris, operating air-operated pumps, and powering air horns.
- Increased Productivity: The efficient operation and power output of air compressors enable construction workers to complete tasks more quickly and effectively. Pneumatic tools powered by air compressors often offer higher performance and faster operation compared to their electric or manual counterparts.
- Cost Savings: Air compressors can contribute to cost savings in construction projects. Pneumatic tools powered by air compressors are generally more durable and have longer lifespans compared to electric tools. Additionally, since air compressors use compressed air as their power source, they do not require the purchase or disposal of batteries or fuel, reducing ongoing operational expenses.
- Reduced Electrocution Risk: Construction sites can be hazardous environments, with the risk of electrocution from electrical tools or equipment. By utilizing air compressors and pneumatic tools, the reliance on electrical power is minimized, reducing the risk of electrocution accidents.
It is important to select the appropriate air compressor for construction applications based on factors such as required air pressure, volume, portability, and durability. Regular maintenance, including proper lubrication and cleaning, is crucial to ensure the optimal performance and longevity of air compressors in construction settings.
In summary, the advantages of using air compressors in construction include powering pneumatic tools, efficient operation, portability, versatility, increased productivity, cost savings, and reduced electrocution risk, making them valuable assets on construction sites.
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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.
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In which industries are air compressors widely used?
Air compressors find extensive usage across various industries due to their versatility and ability to generate compressed air. Here are some industries where air compressors are widely employed:
1. Manufacturing: Air compressors are essential in manufacturing processes for powering pneumatic tools and equipment. They are used for tasks such as operating assembly lines, powering robotic machinery, running paint sprayers, and driving pneumatic actuators.
2. Construction: Air compressors play a crucial role in the construction industry. They power pneumatic tools like jackhammers, nail guns, impact wrenches, and concrete breakers. Compressed air is also used for concrete spraying, sandblasting, and operating air-powered lifts and hoists.
3. Automotive: Air compressors are widely used in automotive manufacturing and repair. They power air tools used in auto body shops, tire inflation equipment, pneumatic lifts, and air-operated brake systems. Compressed air is also utilized in vehicle painting and drying processes.
4. Oil and Gas: The oil and gas industry extensively relies on air compressors for various applications. They are used for pneumatic drilling, powering pneumatic tools in refineries and petrochemical plants, operating pneumatic valves and actuators, and providing instrument air for control systems.
5. Food and Beverage: Air compressors are employed in the food and beverage industry for tasks such as packaging, bottling, and sealing. They power pneumatic conveying systems, control air pressure in food processing equipment, and provide clean compressed air for food handling and storage.
6. Pharmaceutical and Healthcare: Air compressors find application in pharmaceutical manufacturing and healthcare facilities. They are used for operating medical equipment, such as ventilators and dental tools. Compressed air is also utilized in pharmaceutical processes, including tablet coating, fluid bed drying, and aseptic packaging.
7. Aerospace: The aerospace industry relies on air compressors for various applications, including aircraft maintenance and assembly. They power pneumatic tools for aircraft repair, provide compressed air for cleaning and pressurizing systems, and support ground operations, such as tire inflation and aircraft de-icing.
8. Mining: Air compressors are extensively used in the mining industry. They power pneumatic tools for drilling, rock blasting, and excavation. Compressed air is also utilized for ventilation, conveying materials, and operating underground equipment.
9. Energy and Utilities: Air compressors play a vital role in the energy and utilities sector. They are used in power generation plants for pneumatic control systems, instrument air, and operating pneumatic valves. Compressed air is also employed for cleaning and maintenance purposes.
These are just a few examples of the industries where air compressors are widely utilized. The versatility and reliability of air compressors make them indispensable in numerous applications across diverse sectors.


editor by CX 2023-11-11