China high quality Portable Silent Oil Free Air Compressor 2.5HP with Hot selling

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Product Description

Usage: Medical treatment, pharmacy, scientific research, foodstuff and beverage processing, pose communication, petro chemistry, electronic air-driven instrument, paint spraying, power & granule, air conveyance, film sensitization.

CE certificate
Low noise, light weight
Long working time

Model HP Motor(kw) Voltage(v) Max pressure(Mpa) Tank Speed(rpm) Cylinder Package(cm) Weight(kg)
OF550-8L 1.5 0.55 220 0.8 8L 1450 63.7*2 48*20*53 18
OF550-12L 1.5 0.55 220 0.8 12L 1450 63.7*2 52*22*53 20
OF550-25L 1.5 0.55 220 0.8 25L 1450 63.7*2 54*26*54 26
OF550-30L 1.5 0.55 220 0.8 30L 1450 63.7*2 56*28*56 29
OF750-8L 2 0.75 220 0.8 8L 1450 63.7*2 48*20*53 21
OF750-12L 2 0.75 220 0.8 12L 1450 63.7*2 52*22*53 23
OF750-25L 2 0.75 220 0.8 25L 1450 63.7*2 54*26*54 27
OF750-30L 2 0.75 220 0.8 30L 1450 63.7*2 56*28*56 31
OF950-25L 3 0.95 220 0.8 25L 1450 63.7*2 58*27*54 28
OF1100-30L 3.5 1.1 220 0.8 30L 1450 69.4*2 60*30*56 32
OF1100-60L 3.5 1.1 220 0.8 60L 1450 69.4*2 70*31*65 39
OF1500-30L 4 1.5 220 0.8 30L 1450 69.4*2 60*30*56 32
OF1500-50L 4 1.5 220 0.8 50L 1450 69.4*2 70*31*65 40
OF550-2-30L 3 1.1 220 0.8 30L 1450 63.7*4 56*28*56 42
OF750-2-80L 5 1.5 220 0.8 80L 1450 63.7*4 88*32*65 50
OF900-2-80L 6 2 220 0.8 80L 1450 63.7*2 88*32*68 58
OF1100-2-100L 7 2.2 220 0.8 100L 1450 69.4*2 107*39*72 63
OF1500-2-100L 8 3 220 0.8 100L 1450 69.4*4 107*39*72 65


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


air compressor

Are There Specific Water Treatment Requirements for Water-Lubricated Compressors?

Water-lubricated compressors often have specific water treatment requirements to ensure optimal performance, prevent equipment damage, and maintain the desired water quality. Here’s a detailed explanation of the water treatment considerations for water-lubricated compressors:

Water Quality:

  • Purity: The water used for lubrication should be clean and free from impurities, contaminants, or excessive minerals. Impurities in the water can lead to corrosion, blockages, and reduced lubrication effectiveness. Water sources should be evaluated to ensure they meet the required purity standards.
  • Chemical Composition: The chemical composition of the water should be within acceptable limits to avoid any adverse reactions with compressor components or lubricants. Certain water characteristics, such as pH, alkalinity, hardness, and conductivity, need to be monitored and controlled to prevent issues like scaling, fouling, or chemical reactions.

Water Treatment Methods:

  • Filtration: Filtration systems are commonly used to remove particulate matter, sediment, or debris from the water. Filters can range from simple strainers to more advanced filtration systems, depending on the specific water quality requirements and the level of filtration needed.
  • Water Softening: If the water has high levels of hardness minerals, such as calcium and magnesium, water softening methods may be necessary. Water softeners use ion exchange or other processes to remove the hardness minerals, which can help prevent scaling and reduce the risk of deposits in the compressor system.
  • Reverse Osmosis (RO): Reverse osmosis is a water treatment method that uses a semi-permeable membrane to remove dissolved solids, ions, and impurities from the water. RO systems can effectively reduce the total dissolved solids (TDS) and improve the overall water quality, making it suitable for water-lubricated compressors.
  • Chemical Treatment: In some cases, chemical treatments may be required to control water chemistry parameters, such as pH or alkalinity. Chemical additives can be used to adjust or stabilize water chemistry within the desired range, preventing corrosion, scaling, or other issues.

Water treatment requirements for water-lubricated compressors can vary depending on factors such as the compressor design, operating conditions, water source quality, and specific application requirements. It is essential to consult the compressor manufacturer’s recommendations and guidelines regarding water treatment. The manufacturer’s guidelines will provide specific information on water quality limits, treatment methods, and any required maintenance procedures related to water treatment.

Regular monitoring of water quality, including periodic testing and analysis, is recommended to ensure that the water treatment measures are effective and the desired water quality is maintained. Water treatment systems should be properly maintained and periodically serviced to ensure their optimal performance and prevent any potential issues that could affect the operation and longevity of water-lubricated compressors.

air compressor

What Is the Role of Filtration in Water-Lubricated Air Compressors?

Filtration plays a crucial role in water-lubricated air compressors, serving several important purposes. Here’s a detailed explanation of the role of filtration in water-lubricated air compressors:

Contaminant Removal:

  • Particle Filtration: Filtration systems in water-lubricated air compressors are designed to remove particles and contaminants from the water. These can include sediment, rust, debris, and other solid particles that may be present in the water supply. Removing these contaminants is essential to prevent blockages, clogging, and damage to the compressor components.
  • Oil Removal: In some cases, water used in compressors may contain traces of oil or hydrocarbons. Filtration systems can also help remove oil and hydrocarbon contaminants from the water, ensuring that the lubrication system remains clean and effective.

Protection of Components:

  • Lubrication System: Filtration prevents contaminants from reaching the lubrication system of water-lubricated air compressors. This helps maintain the cleanliness and integrity of the lubricant, ensuring optimal lubrication performance and minimizing wear on the compressor’s moving parts. Clean and filtered water can enhance the efficiency and lifespan of the compressor’s lubrication system.
  • Heat Exchangers and Cooling Systems: Water-lubricated compressors often rely on heat exchangers and cooling systems to regulate the temperature of the compressed air and the compressor itself. Filtration helps protect these components by preventing the accumulation of debris and contaminants that can hinder heat transfer and reduce the cooling efficiency. Clean water free from particles and contaminants promotes effective heat exchange and cooling.

Prevention of System Fouling:

  • Scaling and Deposits: Filtration systems also help prevent scaling and deposits that can occur when water with high mineral content or hardness is used. These deposits can accumulate on the internal surfaces of the compressor, heat exchangers, or other components, reducing their efficiency and potentially causing operational issues. By removing impurities and controlling mineral content, filtration minimizes the risk of scaling and deposits.

Extended Equipment Lifespan:

  • Component Protection: By effectively removing contaminants, filtration systems contribute to the protection and longevity of water-lubricated air compressor components. Clean and filtered water reduces the risk of component wear, corrosion, fouling, and blockages, ultimately extending the lifespan of the compressor and reducing maintenance and replacement costs.

Regular Maintenance and Monitoring:

  • Filter Replacement: Filtration systems require regular maintenance, including the replacement or cleaning of filters. The frequency of filter replacement depends on factors such as water quality, usage conditions, and the specific requirements of the compressor manufacturer. Regular maintenance ensures that the filtration system continues to effectively remove contaminants and protect the compressor components.
  • Monitoring Water Quality: Alongside filtration, monitoring the quality of the water used in water-lubricated compressors is essential. This can involve periodic water analysis, measurement of key parameters such as pH or conductivity, and visual inspections. Monitoring helps identify any changes in water quality or potential issues with the filtration system, allowing for timely maintenance or corrective actions.

In summary, filtration plays a critical role in water-lubricated air compressors by removing contaminants, protecting components, preventing system fouling, and extending equipment lifespan. By maintaining clean and filtered water, filtration systems contribute to the efficient operation, reliability, and longevity of water-lubricated 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 high quality Portable Silent Oil Free Air Compressor 2.5HP   with Hot sellingChina high quality Portable Silent Oil Free Air Compressor 2.5HP   with Hot selling
editor by CX 2023-10-11

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