China best Oil-Free Dry Pump Milling Grinding Machines Air Compressor air compressor portable

Product Description

oil-free dry pump Milling grinding machines Air compressor


*Providing clean air without oil.Never worry about oil shortage or oil vapor pollution.Introduce the prevailing environmental friendly concept into the practical usage.

*Design with full consideration of lower noice level and lower vibration.

*For user safety:all heated parts are will protected to avoid any possible scalded risk.

*High efficient and power saving,Compact and handy carrying.

*Automatic control system and motor protection meshanism.with much easier maintenance.
*Various options for different application.

Optimally suited to continuous operation of milling and grinding machines
Milling and grinding machines make particularly high demands on compressors to supply them with reliable and constant compressed air. Milling machines don’t pause for breath during operation, so oil-free and dry compressed air is top priority. The duty cycle of compressor units running a milling machine goes far beyond their duty cycle for normal dental operations. CHINAMFG technology meets all such demands and is designed for continuous operation. High-quality system parts ensure high precision and quiet running. Compressors not only run quieter, but also last longer.

The constant, uninterrupted flow of compressed air required by milling and grinding machines makes for very long compressor duty cycles and allows for only short shut-off cycles. 

Model Working Pressure
motor power
Dimension(mm) Weight
Length Width Height
PA10 8 0.08 0.75 800 340 790 65
PA15 8 0.12 1.1 800 340 790 75
PA20 8 0.18 1.5 1070 400 820 130
PA25 8 0.25 2.2 1070 400 820 150
PA30 8 0.4 3 1400 510 1120 230
PA40 8 0.55 4 1400 510 1120 280
PA50 8 0.7 5.5 1500 550 1580 305
PA55 8 1 7.5 1500 550 1580 340
PA60 8 1 16 1730 580 1230 355
PA70 8 2 11 1690 630 1300 465
PA100 8 2.65 15 1700 660 1340 580
PA150 8 2.84 15 1750 690 1400 650
PA200 12.5 0.21 2.2 1400 510 1000 260
PA140 12.5 0.3 3 1400 510 1000 290
PA240 12.5 0.45 4 1400 510 1000 300
PA250 12.5 0.6 5.5 1650 600 1200 280
PA260 12.5 0.8 7.5 1500 550 1180 350
PA300 12.5 1.2 11 1690 630 1300 480
PA350 10 1.6 11 1690 630 1300 480
PA400 12.5 1.7 15 1700 660 1340 600
PA450 12.5 2.1 15 1750 690 1400 650

Application Use:
Air Brushing,Blow Cleaning,Bolting/Wrenching,Brad Nailing/Stapling,Cutting,Drilling,Finish Nailing,Framing Nailing,Hobby Nailing,Hobby Painting,Inflation,Roof Nailing,Sanding,Spraying,Surface Prep
Capacity For:1/4″-3/8″ Air Ratchet, 3/8″-1/2″Air Impact Wench, Jitterbug Sander, Siphon Feed Sand Blaster, Air Nibbeler, Air Stapler,Finishing Nailer, Construction Nailer, Air Brush, Air Grease Gun, Air Caulking Gun, Touch Up Spray Gun, Multi-Purpose Spray Gun, Tire Inflator

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Lubrication Style: Oil-free
Cooling System: Air Cooling
Cylinder Arrangement: Parallel Arrangement
Cylinder Position: Horizontal
Structure Type: Closed Type
Compress Level: Single-Stage


air compressor

Are There Specific Filtration Requirements for Oil-Free Compressors?

Yes, oil-free compressors have specific filtration requirements to ensure the quality and purity of the compressed air output. These filtration requirements are designed to address the unique characteristics of oil-free compressors and the potential contaminants that can be present in the intake air. Here’s a detailed explanation of the specific filtration requirements for oil-free compressors:

1. Pre-Filtration:

Pre-filtration is the first stage of filtration in oil-free compressors and is designed to remove larger particles, such as dust, dirt, and debris, from the intake air. These particles can enter the compressor and cause damage to internal components or affect the performance of downstream filtration stages. Pre-filters typically consist of pleated or mesh filters that capture particles of various sizes. The efficiency of pre-filters is usually specified in terms of their particle size removal capability, such as 5 microns or 10 microns.

2. Coalescing Filtration:

The coalescing filtration stage in oil-free compressors is responsible for removing smaller particles and coalescing water vapor into droplets for subsequent removal. This stage is crucial in ensuring that the compressed air remains free from fine particles and moisture, which can cause contamination and corrosion issues. Coalescing filters are designed with special media that capture and combine small particles and water droplets, allowing them to be easily separated from the compressed air. The efficiency of coalescing filters is typically specified in terms of their particulate removal capability and moisture removal efficiency, such as 0.01 microns and 99.9% respectively.

3. Activated Carbon Filtration:

Activated carbon filtration is often employed as a final stage in the filtration process of oil-free compressors. Activated carbon filters help eliminate odors and absorb any remaining oil vapors or hydrocarbons that might have bypassed the previous filtration stages. These filters contain activated carbon granules with a high surface area, allowing them to adsorb and trap odor-causing compounds and trace amounts of oil vapor. The efficiency of activated carbon filters is typically specified based on their odor removal capacity and oil vapor adsorption capacity.

It’s important to note that the specific filtration requirements for oil-free compressors may vary depending on the application and the desired air quality standards. Industries such as food and beverage, pharmaceuticals, electronics manufacturing, and painting often have more stringent filtration requirements to meet their specific air purity needs. In such cases, additional filtration stages, such as sterile filters or high-efficiency particulate air (HEPA) filters, may be incorporated to achieve the desired level of air quality.

Complying with industry standards and guidelines, such as ISO 8573, can provide guidance on the appropriate filtration requirements for oil-free compressors. These standards define specific limits for contaminants in compressed air, including oil content, particulate matter, and moisture, and can help determine the necessary filtration stages and their efficiency ratings.

By implementing the appropriate filtration requirements, oil-free compressors can ensure that the compressed air produced is clean, dry, and free from contaminants, meeting the specific air quality needs of various applications.

air compressor

What Are the Energy Efficiency Benefits of Oil-Free Air Compressors?

Oil-free air compressors offer several energy efficiency benefits. Here’s a detailed explanation of the advantages of oil-free compressors in terms of energy efficiency:

1. No Energy Losses from Oil Carryover:

Oil-lubricated compressors require oil to lubricate the moving parts, which can result in oil carryover into the compressed air system. This oil carryover can lead to energy losses as it accumulates in filters, pipes, and other components. Oil-free compressors eliminate this issue by not using oil in the compression process, minimizing energy losses associated with oil carryover and reducing the need for additional energy-consuming filtration equipment to remove oil from the compressed air.

2. Reduced Friction and Mechanical Losses:

Oil-free compressors typically have advanced designs and technologies that minimize friction and mechanical losses during the compression process. The absence of oil eliminates the need for oil seals, lubrication systems, and associated energy-consuming components. This reduction in friction and mechanical losses improves the overall energy efficiency of the compressor, resulting in lower energy consumption and operating costs.

3. Optimized Air Delivery:

Oil-free compressors are designed to deliver compressed air directly without the need for additional oil removal equipment. This streamlined process eliminates the pressure drops and energy losses associated with oil separation and filtration. As a result, oil-free compressors can provide more efficient air delivery, ensuring that the compressed air reaches the intended applications with minimal energy losses.

4. Variable Speed Drive (VSD) Capability:

Many oil-free compressors are equipped with variable speed drive (VSD) technology, which allows the compressor to adjust its speed based on the actual demand for compressed air. By operating at lower speeds during periods of lower demand, VSD-equipped compressors can significantly reduce energy consumption compared to fixed-speed compressors that run at a constant speed regardless of the demand. VSD technology enables oil-free compressors to match the output precisely to the required compressed air load, resulting in energy savings and improved efficiency.

5. Improved System Control and Monitoring:

Oil-free compressors often come with advanced control and monitoring systems that enable precise management of the compression process. These systems allow for optimized operation, including load balancing, pressure control, and energy-saving modes. By closely monitoring and controlling various parameters, such as air pressure, temperature, and power consumption, the compressor can operate at the most energy-efficient levels, minimizing wasted energy and maximizing overall system efficiency.

6. Longer Service Life and Maintenance Intervals:

Oil-free compressors tend to have longer service life and maintenance intervals compared to oil-lubricated compressors. The absence of oil reduces the accumulation of deposits, contaminants, and wear on components, resulting in extended equipment life and reduced maintenance requirements. Longer service intervals mean less downtime for maintenance, allowing the compressor to operate at peak efficiency for longer periods, ultimately saving energy and reducing operational costs.

Overall, oil-free air compressors offer significant energy efficiency benefits due to reduced energy losses from oil carryover, minimized friction and mechanical losses, optimized air delivery, variable speed drive capability, improved system control and monitoring, and extended service life. These advantages make oil-free compressors an attractive option for industries and applications where energy efficiency and cost savings are paramount concerns.

air compressor

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

Oil-free air compressors offer several advantages over their oil-lubricated counterparts. These compressors are designed to deliver clean, oil-free compressed air and provide benefits in various applications. Here’s a detailed explanation of the advantages of using oil-free air compressors:

1. Clean and Oil-Free Air:

The primary advantage of oil-free air compressors is that they produce compressed air that is free from oil contamination. This makes them suitable for applications where oil-free air is crucial, such as in industries like food and beverage, pharmaceuticals, electronics, and painting. Oil-free compressed air ensures product quality, prevents contamination of sensitive equipment, and eliminates the risk of oil-related issues in downstream processes.

2. Reduced Maintenance:

Oil-free compressors generally require less maintenance compared to oil-lubricated compressors. Since there is no oil to change or monitor, maintenance tasks related to oil filtration, oil changes, and oil disposal are eliminated. This can result in cost savings, reduced downtime, and simplified maintenance schedules.

3. Elimination of Oil Contamination Risk:

With oil-free compressors, there is no risk of oil contaminating the compressed air system. This eliminates the need for additional filtration or separation equipment to remove oil from the compressed air. It simplifies the overall system design, reduces the risk of oil-related equipment failure, and minimizes the maintenance and associated costs.

4. Compact and Lightweight:

Oil-free compressors are often designed to be compact and lightweight, making them portable and easy to transport. This feature is advantageous for applications where mobility is required, such as construction sites, workshops, and on-site maintenance tasks.

5. Quiet Operation:

Oil-free compressors tend to operate at lower noise levels compared to oil-lubricated compressors. The absence of oil lubrication reduces the friction and mechanical noise, resulting in quieter operation. This makes oil-free compressors more suitable for noise-sensitive environments or applications where reduced noise levels are desired.

6. Environmental Considerations:

Oil-free air compressors are environmentally friendly due to the absence of oil. They eliminate the risk of oil spills or leaks that can harm the environment. Furthermore, oil-free compressors may require less energy consumption compared to oil-lubricated compressors, contributing to energy efficiency and reduced carbon footprint.

7. Lower Initial Cost:

In general, oil-free compressors tend to have a lower initial cost compared to oil-lubricated compressors. This can be advantageous for applications with budget constraints or when the specific requirements of the application align with the capabilities of oil-free compressors.

It’s important to note that oil-free air compressors may have certain limitations compared to oil-lubricated compressors. They may have lower maximum operating pressures and higher operating temperatures. Additionally, the absence of oil lubrication may result in slightly reduced efficiency and increased wear on certain components over time.

By considering these advantages, users can determine whether oil-free air compressors are suitable for their specific application and requirements.

China best Oil-Free Dry Pump Milling Grinding Machines Air Compressor   air compressor portableChina best Oil-Free Dry Pump Milling Grinding Machines Air Compressor   air compressor portable
editor by CX 2024-04-26

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