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.


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
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


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. 

Shipping Cost:

Estimated freight per unit.

To be negotiated
After-sales Service: Online
Lubrication Style: Oil-free
Cooling System: Air Cooling


air compressor

Can Water-Lubricated Air Compressors Be Used in Cold Climates?

Water-lubricated air compressors can be used in cold climates, but there are certain considerations and precautions to keep in mind. Here’s a detailed explanation of using water-lubricated air compressors in cold climates:

Freezing of Water:

  • Potential for Freezing: In cold climates, the water used for lubrication in water-lubricated compressors can freeze, which can cause operational issues and damage to the equipment. Freezing can occur in the water supply lines, lubrication system, or water jackets if the temperature drops below the freezing point of water.
  • Water Temperature: It is important to ensure that the water temperature remains above freezing throughout the compressor system. This can be achieved by using insulation, heat tracing, or heaters to maintain adequate water temperature. Monitoring the water temperature and implementing appropriate heating measures are crucial to prevent freezing-related problems.

Protection and Insulation:

  • Protecting External Components: External components of water-lubricated compressors, such as valves, fittings, and pipes, may be exposed to cold temperatures. Insulating these components can help prevent freezing and ensure their proper functioning. Insulation materials, such as foam wraps or heat tapes, can be used to provide thermal protection.
  • Water Supply Lines: Water supply lines that feed the compressor should be properly insulated and protected from freezing temperatures. Insulation can help maintain the water temperature and prevent freezing within the supply lines. Additionally, measures such as burying the supply lines below the frost line or using heat tracing cables can offer further protection against freezing.

Alternative Lubrication Methods:

  • Oil-Lubricated Compressors: In extremely cold climates, where freezing is a significant concern, using oil-lubricated compressors instead of water-lubricated ones may be a more practical option. Oil-based lubrication systems are less prone to freezing and can provide reliable operation in colder temperatures. However, it is important to consider the specific requirements and limitations of oil-lubricated compressors for the intended application.

Manufacturer Recommendations:

  • Consulting the Manufacturer: It is crucial to consult the manufacturer’s guidelines and recommendations regarding the use of water-lubricated compressors in cold climates. Manufacturers may provide specific instructions, modifications, or alternative solutions to ensure the safe and efficient operation of their equipment under cold weather conditions.

By implementing proper insulation, heating measures, and following the manufacturer’s guidance, water-lubricated air compressors can be used effectively in cold climates. It is important to assess the specific requirements of the application and consider the potential challenges associated with freezing temperatures to ensure the reliable and safe operation of the water-lubricated compressor system.

air compressor

How Do Water-Lubricated Air Compressors Compare in Terms of Maintenance Costs?

When comparing water-lubricated air compressors to other types of compressors, there are several factors that can influence the maintenance costs. Here’s a detailed explanation of how water-lubricated air compressors compare in terms of maintenance costs:

Initial Investment:

  • Higher Initial Cost: Water-lubricated air compressors tend to have a higher initial cost compared to oil-lubricated compressors. This is primarily due to the additional components required for the water-lubrication system, such as water pumps, filters, and separators. The higher initial investment can impact the overall cost of the compressor system.

Lubrication System Maintenance:

  • Water Treatment and Filtration: Water-lubricated compressors may require additional maintenance for water treatment and filtration systems. Regular monitoring, maintenance, and replacement of filters or treatment media are necessary to ensure the water quality remains suitable for lubrication. The cost of water treatment and filtration maintenance should be considered in the overall maintenance costs.
  • Water Quality Monitoring: Monitoring the quality of the water used in water-lubricated compressors is crucial. This may involve periodic water analysis, temperature monitoring, and water chemistry checks. The cost of water quality monitoring should be factored into the maintenance costs.

Component Lifespan and Replacement:

  • Extended Component Lifespan: Proper water-lubrication and cooling can contribute to the extended lifespan of compressor components. Reduced friction, effective cooling, and contaminant control can minimize wear and damage to components, leading to lower replacement costs over time. Water-lubricated compressors may have advantages in terms of component longevity, potentially reducing the frequency of component replacements.

Corrosion Prevention:

  • Corrosion Protection Measures: Water-lubricated compressors require corrosion prevention measures due to the presence of water within the system. Corrosion-resistant materials, coatings, or regular maintenance procedures are necessary to prevent corrosion-related issues. The cost of implementing and maintaining corrosion protection measures should be considered in the overall maintenance costs.

Overall, the maintenance costs of water-lubricated air compressors can vary depending on factors such as the specific design and components of the compressor, the quality of the water used, the effectiveness of water treatment and filtration systems, and the implementation of corrosion prevention measures. While water-lubricated compressors may have higher initial costs and additional maintenance requirements, they can potentially offer advantages in terms of extended component lifespan, reduced component replacements, and effective lubrication. It is important to consider these factors and consult the manufacturer’s guidelines to accurately assess the maintenance costs associated with water-lubricated air compressors.

air compressor

How Do Water-Lubricated Air Compressors Compare to Oil-Lubricated Ones?

Water-lubricated air compressors and oil-lubricated air compressors have distinct differences in terms of lubrication method, performance, maintenance, and environmental impact. Here is a detailed comparison between the two:

Water-Lubricated Air Compressors Oil-Lubricated Air Compressors
Lubrication Method Water is used as the lubricant in water-lubricated compressors. It provides lubrication and heat dissipation. Oil is used as the lubricant in oil-lubricated compressors. It provides lubrication, sealing, and heat dissipation.
Performance Water lubrication offers efficient heat dissipation and cooling properties. It can effectively remove heat generated during compressor operation, preventing overheating and prolonging the compressor’s lifespan. Water lubrication can be suitable for applications where high heat generation is a concern. Oil lubrication provides excellent lubrication properties, ensuring smooth operation and reduced friction. It offers good sealing capabilities, preventing air leakage. Oil-lubricated compressors are often preferred for heavy-duty applications that require high pressure and continuous operation.
Maintenance Water lubrication generally requires less maintenance compared to oil lubrication. Water does not leave sticky residues or deposits, simplifying the cleaning process and reducing the frequency of lubricant changes. However, water lubrication may require additional measures to prevent corrosion and ensure proper water quality. Oil lubrication typically requires more maintenance. Regular oil changes, filter replacements, and monitoring of oil levels are necessary. Contaminants, such as dirt or moisture, can adversely affect oil lubrication and require more frequent maintenance tasks.
Environmental Impact Water lubrication is more environmentally friendly compared to oil lubrication. Water is non-toxic, biodegradable, and does not contribute to air or water pollution. It has a lower environmental impact and reduces the risk of contamination in case of leaks or spills. Oil lubrication can have environmental implications. Oil leaks or spills can contaminate the environment, including air, soil, and water sources. Used oil disposal requires proper handling to prevent pollution. Oil-lubricated compressors also release volatile organic compounds (VOCs) into the air, contributing to air pollution.

In summary, water-lubricated air compressors excel in efficient heat dissipation, require less maintenance, and have a lower environmental impact. On the other hand, oil-lubricated air compressors offer excellent lubrication properties and are suitable for heavy-duty applications. The choice between water and oil lubrication depends on specific requirements, operating conditions, and environmental considerations.

China Standard High Quality AC Power CE Certification Centrifugal Air Oil Free Scroll CHINAMFG Compressors Compressor   with Best SalesChina Standard High Quality AC Power CE Certification Centrifugal Air Oil Free Scroll CHINAMFG Compressors Compressor   with Best Sales
editor by CX 2023-10-07

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