China Best Sales 3.2cfm Continuous-Duty Oil-Free Rocking Piston Air Compressors air compressor lowes

Product Description

Dry Oil-less Rocking piston Vacuum Pumps / Air Compressors

Pransch oilless dry rocking piston compressors and vacuum pumps have a variety of benefits, including:

  • Performance: This small unit provides a high level of performance, bringing together characteristics of both diaphragm and piston air compressors.
  • Clean air: These oil-free vacuum pumps are suitable for industries and settings where it’s important to avoid oil mist contamination, such as in hospitals and laboratories.
  • Variety: Pransch rocking piston compressors are available in twin, single, tank-mounted and miniature styles for ideal use in a wide range of applications. Accessories provide additional versatility.
  • Reliability: Made to withstand long-term use, the bearing assembly and piston rod are bonded together rather than clamped. This means they will not misalign, slip, loosen or come apart.

Oilless rocking pistons are particularly beneficial when it comes to optimal performance with very low maintenance.

Model Frequency Flow Pressure Power Speed Current Voltage Heat Sound Weight Hole Installation Dimensions
Hz L/min Kpa Kw Min-1 A V 0 C dB(A) Kg mm mm
PM200C 50 50 200 0.12 1380 0.45 210/235 5-40 48 1.8 M5 L100xW74
60 58 200 0.13 1450 0.90 110/125 5-40 48 1.8 M5
PM300C 50 75 300 0.15 1380 0.76 210/235 5-40 45 3.2 M6 L118xW70
60 90 300 0.16 1450 1.52 110/125 5-40 45 3.2 M6
PM550C 50 105 600 0.32 1380 1.50 210/235 5-40 56 6.0 M6 L148xW83
60 115 600 0.35 1450 3.00 110/125 5-40 56 6.0 M6
PM1200C 50 120 300 0.45 1380 1.70 210/235 5-40 58 7.6 M6 L203xW86
60 145 300 0.49 1450 3.50 110/125 5-40 58 7.6 M6
PM1400C 50 160 700 0.45 1380 1.70 210/235 5-40 58 8.5 M6 L203xW86
60 180 700 0.49 1450 3.50 110/125 5-40 58 8.5 M6
PM2000C 50 230 800 0.55 1380 2.50 210/235 5-40 60 10.0 M6 L203xW86
60 250 800 0.60 1450 5.20 110/125 5-40 60 10.0 M6
HP2400C 50 240 900 0.90 1380 3.30 210/235 5-40 75 17.0 M7 L246xW127
60 258 900 1.00 1450 6.80 110/125 5-40 75 17.0 M7
PM3000C 50 250 1000 1.50 1380 4.20 210/235 5-40 76 17.5 M7 L246xW127
60 270 1000 1.70 1450 9.00 110/125 5-40 76 17.5 M7

Why use a Rocking Piston Product? 

Pransch oilless Rocking Piston air compressors and vacuum pumps, available in single, twin, miniature, and tankmounted
Styles, are the perfect choice for hundreds of applications. Choose from dual frequency, shaded pole, 
And permanent split capacitor (psc) electric motors with AC multi-voltage motors to match North American, 
European, and CHINAMFG power supplies. A complete line of recommended accessories as well as 6, 12, and
24 volt DC models in brush and brushless types are also available. 

The rocking piston combines the best characteristics of piston and diaphragm air compressors into a small unit
With exceptional performance. Air flow capabilities from 3.4 LPM to 5.5 CFM (9.35 m3/h), pressure to 175 psi
(12.0 bar) and vacuum capabilities up to 29 inHg (31 mbar). Horsepowers range from 1/20 to 1/2 HP
(0.04 to 0.37 kW). 

These pumps are made to stand up through years of use. The piston rod and bearing assembly are bonded
Together, not clamped; They will not slip, loosen, or misalign to cause trouble. 

Clean Air
Because CHINAMFG pumps are oil-free, they are ideal for use in applications in laboratories, hospitals, and the
Food industry where oil mist contamination is undesirable. 

Pransch rocking piston compressors and vacuum pumps are used for many different applications, including:

  • Medical: Surgical aspiration equipment, oxygen concentrators, ventilation equipment and eye surgery equipment.
  • Dental: Portable dental equipment, dental vacuum ovens and dental compressors.
  • Laboratory: Vacuum filtering, lab test equipment, vacuum centrifuge and body fluid analysis.
  • Other applications: Diving air, vacuum food sealer, handicapped accessible doors, tire inflation equipment, vacuum mixing, automotive suspensions, paper counting machines, auto detailing equipment, core drilling, refrigerants reclamation, vacuum frames, dry sprinkler systems, cable pressurization and beverage dispensing.

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Lubrication Style: Oil-free
Cooling System: Air Cooling
Structure Type: Closed Type
Compress Level: Single-Stage
Refrigerant Type: Air
Material: Steel


air compressor

What Maintenance Is Required for Oil-Free Air Compressors?

Maintaining oil-free air compressors is crucial to ensure their optimal performance, reliability, and longevity. While oil-free compressors have lower maintenance requirements compared to oil-lubricated compressors, regular maintenance tasks are still necessary. Here’s a detailed explanation of the maintenance required for oil-free air compressors:

1. Regular Filter Replacements:

Oil-free air compressors have filters that help remove contaminants from the intake air. These filters should be regularly inspected and replaced as recommended by the manufacturer. Filters can become clogged over time, affecting the compressor’s efficiency and potentially increasing the risk of contaminants entering the compressed air stream. Regular filter replacements ensure proper air filtration and help maintain the desired level of air purity.

2. Condensate Drainage:

Oil-free compressors produce condensate, which is a mixture of water and oil-free compressed air. Proper condensate drainage is essential to prevent water buildup in the system, which can lead to corrosion and damage. Most oil-free compressors have automatic condensate drains that remove accumulated condensate. It’s important to regularly check and maintain these drains to ensure they are functioning correctly and prevent any blockages or leaks.

3. Inspection of Air Hoses and Connections:

Regularly inspecting air hoses, fittings, and connections is important to identify any leaks or damage. Leaks can lead to air pressure loss, reduced compressor efficiency, and increased energy consumption. Damaged hoses or connections should be repaired or replaced promptly to maintain the integrity of the compressed air system. Regular inspections can help identify potential issues early on and prevent costly breakdowns or inefficiencies.

4. Monitoring Air Pressure and Temperature:

Monitoring the air pressure and temperature of the compressor system is crucial for identifying any abnormalities or deviations from the desired operating parameters. Most oil-free compressors have built-in pressure and temperature sensors that provide real-time data. Regularly checking and recording this data can help detect any potential issues, such as pressure drops, abnormal temperature increases, or excessive cycling. If any abnormalities are detected, they should be investigated and addressed promptly to prevent further damage to the compressor.

5. General System Checks:

Performing general system checks on a regular basis helps ensure that all components of the oil-free air compressor are functioning properly. This includes inspecting the compressor motor, cooling fans, belts, and electrical connections. Any signs of wear, damage, or abnormal noise should be addressed promptly. Additionally, checking the compressor for any signs of oil contamination or unusual odors can help identify potential issues with the compressor system.

6. Manufacturer’s Recommendations:

It’s essential to follow the manufacturer’s recommended maintenance schedule and guidelines for the specific oil-free air compressor model. The manufacturer’s recommendations may include additional maintenance tasks specific to the compressor’s design and components. Adhering to these guidelines ensures that the compressor is properly maintained and can help prevent warranty issues.

Regular and proactive maintenance of oil-free air compressors is essential to ensure their reliable and efficient operation. Following the recommended maintenance tasks, monitoring system parameters, and promptly addressing any issues that arise can help extend the compressor’s lifespan, reduce the risk of breakdowns, and maintain the desired air quality for the intended applications.

air compressor

Are There Regulations Governing the Use of Oil-Free Air Compressors?

Yes, there are regulations governing the use of oil-free air compressors. Here’s a detailed explanation of the regulations and standards that apply to the use of oil-free air compressors:

1. Industry-Specific Regulations:

Depending on the industry and application, there may be specific regulations that govern the use of oil-free air compressors. For example:

  • In the pharmaceutical industry, organizations such as the Food and Drug Administration (FDA) in the United States and the European Medicines Agency (EMA) in Europe have guidelines and regulations regarding the use of compressed air in pharmaceutical manufacturing processes. These guidelines often require the use of oil-free compressors to ensure the purity and integrity of the compressed air used in the production of drugs.
  • In the food and beverage industry, regulatory bodies such as the U.S. Food and Drug Administration (FDA) and the European Food Safety Authority (EFSA) have specific requirements for compressed air used in food and beverage processing. These regulations often mandate the use of oil-free compressors to prevent contamination of the final products.
  • In the electronics industry, standards such as ISO 8573-1 specify the maximum allowable levels of various contaminants in compressed air used for electronic component manufacturing. These standards often necessitate the use of oil-free compressors to ensure the cleanliness and quality of the compressed air.

2. Air Quality Standards:

There are various air quality standards and classifications that dictate the acceptable levels of contaminants in compressed air. These standards help ensure that compressed air meets specific purity requirements for different applications. Examples of air quality standards include ISO 8573, which defines the purity classes for different contaminants in compressed air, and the Compressed Air and Gas Institute (CAGI) standards. Oil-free compressors are commonly used to meet the stringent requirements of these air quality standards, particularly in applications where oil contamination is not permissible.

3. Environmental Regulations:

Environmental regulations may also impact the use of oil-free air compressors. Oil-lubricated compressors can pose environmental risks if not properly managed. The release of oil into the environment can lead to soil and water contamination. To mitigate these risks, regulatory bodies such as the Environmental Protection Agency (EPA) in the United States and similar agencies in other countries have regulations and guidelines in place to govern the use, handling, and disposal of lubricants and compressed air equipment. The use of oil-free compressors can help comply with these environmental regulations by eliminating the risk of oil contamination.

4. Occupational Health and Safety Regulations:

Occupational health and safety regulations may also apply to the use of oil-free air compressors. These regulations aim to protect workers from hazards associated with compressed air systems. They may cover aspects such as noise levels, vibration, electrical safety, and proper maintenance procedures. Compliance with these regulations helps ensure the safety and well-being of workers operating and maintaining the oil-free compressors and the associated compressed air systems.

It’s important to note that the specific regulations and standards governing the use of oil-free air compressors may vary depending on the country, industry, and application. It’s recommended to consult with regulatory authorities, industry associations, and relevant standards organizations to ensure compliance with the applicable regulations and standards in a particular context.

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 Best Sales 3.2cfm Continuous-Duty Oil-Free Rocking Piston Air Compressors   air compressor lowesChina Best Sales 3.2cfm Continuous-Duty Oil-Free Rocking Piston Air Compressors   air compressor lowes
editor by CX 2024-04-24