China Professional Oil-Free Air Compressor 380V Adjustable Pressure Small Oil-Free Air Compressor with Hot selling

Product Description

Product description
SF1-6 High -efficiency, mute and compact
SF 1-6 is a complete vortex air compressor unit. It integrates vortex rotor, driving motor, rear cooler and a starter into a super quiet sound insulation cover in order to install it directly into your working environment. Not only that, you can also choose a full -performance model of the built -in frozen dryer. There are 3 installation methods for the air storage tank: the increase in 3 built -in 10L galvanized air storage tanks in the enlarged machine cover, and the horizontal air storage tank of 270L (72 gallons) or 500L (132 gallons).

Product Feature

Air intake filter
High -efficiency paper cylinder intake filter can filter dust and particles as small as 1um.
Automatic adjustment
When CHINAMFG the required pressure, the compressor will automatically stop, saving unnecessary energy consumption.
High -efficiency vortex rotation
Air-cooling vortex rotor, durable, reliable, and effective. 

IP55 F Class / IE3 Motor
The completely closed air -cooling IP55 F -Class motor meets the energy efficiency standard of IE3 ultra -high -efficiency motor.

Frozen dryer
The compact and optimized built -in frozen dryer ensures to dry the compressed air and effectively prevent rust and corrosion of the air pipeline.

Specification
 

Model Max. Working pressure Displacement Motor mounting power Noise level Weight
bar(e) psig l/s m³/min cfm kW hp dB(A) kg lbs
SF 1-6/2+-6+ (50/60 Hz)
SF 1 8 116 2.9 0.17 6.1 1.5 2 53 120 265
10 145 1.9 0.11 4 1.5 2 53 120 265
SF 2 / SF 2+ 8 116 4.2 0.25 8.9 2.2 3 55 125 276
10 145 3.4 0.2 7.2 2.2 3 55 125 276
SF 4 / SF 4+ 8 116 6.7 0.4 14.2 3.7 5 57 133 293
  10 145 5.9 0.35 12.5 3.7 5 57 133 293
SF 6 / SF 6+ 8 116 9.8 0.59 20.8 5.5 7.5 59 157 346
  10 145 7.6 46 16.1 5.5 7.5 59 157 346
SF 8+-22+ (50/60 Hz)
SF 8+ 8 116 13.4 0.8 28.4 7.4 10 63 485 1070
  10 145 11.4 0.68 24.2 7.4 10 63 485 1070
SF 11+ 8 116 20.3 1.22 43 11 15 63 515 1135
  10 145 15 0.9 31.8 11 15 63 515 1135
SF 15+ 8 116 26.4 1.58 55.9 14.8 20 63 580 1280
  10 145 23 1.38 48.7 14.8 20 63 580 1280
SF 17+ 8 116 31 1.86 65.7 16.5 22 64 595 1315
  10 145 23.7 1.42 50.2 16.5 22 64 595 1315
SF 22+ 8 116 40.8 2.45 86.5 22 30 65 680 1500
  10 145 30 1.8 63.6 22 30 65 680 1500
SFD 11+-22+ (50/60 Hz)
SFD 11+ 8 116 9.8×2 0.59×2 20.8×2 11 15 63 625 1380
  10 145 7.6×2 0.46×2 16.1×2 11 15 63 625 1380
SFD 15+ 8 116 13.4×2 0.80×2 28.4×2 14.8 20 64 755 1665
  10 145 11.4×2 0.68×2 24.2×2 4 14.8 20 64 755 1665
SFD 22+ 8 116 19.2×2 1.21×2 2.8×2 22 30 65 840 1855
  10 145 5.0×2 0.90×2 31.8×2 22 30 65 840 1855
SF SKID/TWIN
Skid type
SF 1 8 116 2.9 0.17 6.1 1.5 2 65 105 232
  10 145 1.9 0.11 4 1.5 2 65 105 232
SF 2 8 116 4.2 0.25 8.9 2.2 3 67 110 243
  10 145 3.4 0.2 7.2 2.2 3 67 110 243
SF 4 8 116 6.6 0.4 14 3.7 5 68 120 265
  10 145 5.6 0.34 119 3.7 5 68 120 265
Twin type-twin air tank installation
SF 6T 8 116 10.6 0.64 22.5 5.9 8 72 365 805
  10 145 9 0.54 19.1 5.9 8 72 365 805
SF 8T 8 116 13.2 0.79 81.1 7.4 10 73 375 827
  10 145 11.2 0.67 68.8 7.4 10 73 375 827

FAQ

Q1: What’s your delivery time?
A: 15 days to produce, within 3 days if in stock.
 
Q2: What’s methods of payments are accepted?
A: We agree T/T ,L/C , West Union ,Money Gram ,Paypal.
 
Q3: What about the shipments and package?
A: 40′ container for 2 sets, 20′ container for 1 set, 
Machine in nude packing, spare parts in standard export wooden box.
 
Q4: Have you got any certificate?
A:We have got ISO,CE certificate.
 
Q5: How to control the quality?
A: We will control the quality by ISO and CE requests.
 
Q6: Do you have after-sale service and warranty service ?
A: Yes, we have.We can supply instruction for operation and maintenance.If necessary, we can send our engineer to repair the machine in your company.
Warranty is 1 year for the machine.
 
Q7: Can I trust your company ?
 A: Our company has been certificated by Chinese government,and verified by SGS Inspection Company. 
 

After-sales Service: Online
Lubrication Style: Oil-free
Cooling System: Air Cooling
Customization:
Available

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Currency: US$
Return&refunds: You can apply for a refund up to 30 days after receipt of the products.

air compressor

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

While oil-free air compressors offer numerous advantages, there are also some downsides to consider. Understanding these drawbacks is important when evaluating the suitability of oil-free compressors for specific applications. Here’s a detailed explanation of the downsides of using oil-free air compressors:

1. Higher Initial Cost:

Oil-free air compressors generally have a higher initial cost compared to oil-lubricated compressors. The design and technology used in oil-free compressors, such as specialized coatings, precision manufacturing, and advanced filtration systems, contribute to their higher price tag. This can be a significant factor for budget-conscious buyers or for applications where cost is a primary consideration. However, it’s important to weigh the initial cost against the long-term benefits and potential cost savings in terms of maintenance, energy efficiency, and reduced risk of oil contamination.

2. Reduced Durability:

Oil-free compressors may have slightly reduced durability compared to oil-lubricated compressors. The absence of oil for lubrication can result in increased wear on certain components, such as piston rings, valves, and bearings. However, modern advancements in materials and engineering have significantly improved the durability and lifespan of oil-free compressors. With proper maintenance and adherence to recommended operating conditions, oil-free compressors can still provide reliable performance over an extended period.

3. Higher Energy Consumption:

Oil-free air compressors typically have higher energy consumption compared to oil-lubricated compressors. The absence of oil for lubrication increases friction within the compressor, requiring more energy to overcome this resistance. However, advancements in compressor design, such as improved air ends, energy-efficient motors, and variable speed drives, have helped minimize this energy consumption gap. Additionally, the potential energy savings from eliminating the need for oil changes and reducing the risk of pressure drops due to oil contamination can offset the higher energy consumption over the compressor’s lifetime.

4. Limited Cooling Capacity:

Oil-free compressors may have limited cooling capacity compared to oil-lubricated compressors. Oil acts as a lubricant and coolant in oil-lubricated compressors, effectively dissipating heat generated during compression. In contrast, oil-free compressors rely on other cooling mechanisms, such as air or water cooling, which may have limitations in handling high heat loads. This can be a consideration for applications that require continuous or high-duty cycle operation in elevated ambient temperatures. Adequate cooling systems and proper monitoring of temperature limits are necessary to prevent overheating and ensure optimal performance of oil-free compressors.

5. Noisy Operation:

Oil-free air compressors are generally noisier compared to oil-lubricated compressors. The absence of lubricating oil can result in increased noise levels due to direct metal-to-metal contact between rotating and reciprocating parts. However, advancements in noise reduction technologies and sound insulation materials have helped mitigate this issue to some extent. Additionally, the noise level can vary between different models and brands of oil-free compressors, so it’s important to consider the specific noise requirements of the application and select a compressor that meets those criteria.

Despite these downsides, oil-free air compressors have become increasingly popular and widely used in various industries due to their advantages in providing clean, oil-free compressed air. It’s important to assess the specific requirements of the application, consider the trade-offs, and consult with compressed air experts to determine whether an oil-free compressor is the most suitable choice.

air compressor

Can Oil-Free Air Compressors Be Used in Cold Climates?

Yes, oil-free air compressors can be used in cold climates. Here’s a detailed explanation of the considerations and adaptations that may be necessary when using oil-free compressors in cold weather:

1. Cold-Start Capability:

Oil-free compressors should be designed and equipped with features that enable them to start and operate reliably in cold temperatures. This includes components such as low-temperature lubricants, preheating systems, and specialized insulation to prevent freezing or damage to critical parts.

2. Compressed Air Drying:

In cold climates, the moisture content in the compressed air can condense and freeze, leading to operational issues and potential damage to the compressed air system. It is crucial to incorporate proper compressed air drying equipment, such as refrigerated dryers or desiccant dryers, to remove moisture from the compressed air and prevent freezing within the system. This ensures the production of dry and reliable compressed air even in cold weather conditions.

3. Freeze Protection:

Special attention should be given to protecting the compressor and associated components from freezing. This may involve insulation, heat tracing, or the use of frost protection heaters in critical areas susceptible to freezing, such as air intakes, valves, filters, and condensate drains. Adequate insulation can help maintain optimal operating temperatures and prevent freezing-related issues.

4. Cold Weather Lubricants:

In extremely cold climates, it is essential to use specific lubricants that are designed to perform effectively at low temperatures. These lubricants should have low pour points and be capable of providing sufficient lubrication and protection to the compressor’s moving parts even in cold environments. Using the appropriate lubricants ensures reliable operation and prevents damage to the compressor during cold starts and operation.

5. Preventive Maintenance:

Regular preventive maintenance is crucial when using oil-free compressors in cold climates. It is essential to follow the manufacturer’s recommendations for maintenance tasks such as filter replacements, lubricant changes (if applicable), and inspection of critical components. Cold weather conditions can exacerbate wear and tear on equipment, so proper maintenance helps identify and address potential issues before they lead to operational problems.

6. Monitoring and Control:

Implementing advanced monitoring and control systems can provide real-time information about the compressor’s performance in cold climates. Monitoring parameters such as temperature, pressure, and system efficiency can help identify any deviations or potential issues caused by low temperatures. Additionally, control systems can optimize compressor operation and adjust parameters to ensure efficient performance in cold weather conditions.

It’s important to consult the manufacturer’s specifications and guidelines for the specific oil-free compressor model being used, as they may provide additional recommendations or requirements for operating the compressor in cold climates. Adhering to these guidelines and implementing appropriate adaptations will help ensure the reliable and efficient performance of oil-free air compressors in cold weather environments.

air compressor

Are Oil-Free Air Compressors More Environmentally Friendly?

Oil-free air compressors are considered more environmentally friendly compared to oil-lubricated air compressors. These compressors offer several features and advantages that contribute to their eco-friendly nature. Here’s a detailed explanation of why oil-free air compressors are considered more environmentally friendly:

1. Elimination of Oil Contamination:

One of the significant environmental benefits of oil-free air compressors is the elimination of oil contamination in the compressed air system. Oil-lubricated compressors require oil for lubrication, which can potentially leak or contaminate the compressed air. Oil contamination can have adverse effects on downstream equipment, processes, and the environment. In contrast, oil-free air compressors operate without oil, ensuring clean, oil-free compressed air and eliminating the risk of oil contamination.

2. Reduction of Oil Spills and Leaks:

Oil-lubricated compressors have a higher risk of oil spills or leaks due to the presence of lubricating oil in the system. Oil spills can have severe environmental consequences, polluting soil, water bodies, and ecosystems. Oil-free air compressors eliminate the risk of oil spills or leaks, as there is no oil used in the compression process. This reduces the potential harm to the environment and minimizes the need for costly cleanup efforts.

3. Energy Efficiency:

Oil-free air compressors can be more energy-efficient compared to oil-lubricated compressors. The absence of oil in the compression chamber reduces internal friction and mechanical losses, resulting in improved energy efficiency. Energy-efficient compressors consume less electricity, leading to reduced energy consumption and lower greenhouse gas emissions. By using oil-free compressors, businesses can contribute to energy conservation and environmental sustainability.

4. Lower Environmental Footprint:

Due to the elimination of oil-related maintenance tasks, such as oil filtration, oil changes, and oil disposal, oil-free compressors have a lower environmental footprint. These maintenance activities associated with oil-lubricated compressors require the use of resources and generate waste, including used oil and oil filters. By using oil-free compressors, the consumption of resources and the generation of hazardous waste are reduced, contributing to a more sustainable and environmentally friendly operation.

5. No Oil Contamination in Air Tools and Products:

Oil contamination in compressed air can have detrimental effects on air tools, pneumatic equipment, and end products. Oil-free air compressors ensure that the compressed air delivered to these devices is clean and oil-free. This helps maintain the performance and longevity of air tools and prevents oil-related product defects. By using oil-free compressors, businesses can avoid costly repairs or replacements of equipment and minimize the risk of producing non-conforming or defective products.

It’s important to note that while oil-free air compressors offer environmental advantages, they may have certain limitations and considerations. These include the need for specialized maintenance, potential higher operating temperatures, and reduced maximum operating pressures compared to oil-lubricated compressors. Therefore, it’s essential to evaluate the specific requirements of the application and consider the trade-offs between environmental benefits and operational considerations when choosing an air compressor.

China Professional Oil-Free Air Compressor 380V Adjustable Pressure Small Oil-Free Air Compressor   with Hot sellingChina Professional Oil-Free Air Compressor 380V Adjustable Pressure Small Oil-Free Air Compressor   with Hot selling
editor by CX 2023-10-21

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