Granklin Air Compressor Advertising Copy - Welcome to Join and Order

oil free air compressor is divided into several kinds?

2026-04-15Views:

Oil-free air compressor according lubrication method and working principle it can be divided into five categories, and its technical characteristics and application scenarios are significantly different. The following is the specific classification and analysis:

1. water-lubricated oil-free air compressor

  • principle pure water is used as the lubricating medium, and the air is compressed by the rotation of the screw and the star wheel.
  • Advantage:
    • high cost performance: No oil and gas separation device is required, and the maintenance cost is low.
    • Environmental protection zero oil pollution, in line with the pharmaceutical, food industry clean standards.
  • Application pharmaceutical clean room, food packaging, laboratory gas supply, electronics, semiconductors, chemicals, etc.

2. dry grinding oil-free air compressor (resin lubrication)

  • principle: The surface of the screw is sprayed with a wear-resistant coating such as Teflon to reduce direct contact.
  • Features:
    • high reliability: No risk of lubricating oil oxidation, life extension of 30-50%.
    • high cost: Large initial investment, suitable for enterprises with sufficient budget.
  • Applicable Scenarios: Semiconductor manufacturing, precision instrument calibration.

3. reciprocating oil-free air compressor (piston type)

  • principle: Piston reciprocating compressed gas, using self-lubricating materials.
  • Advantage:
    • simple structure: Easy maintenance, strong versatility of accessories.
    • Low cost suitable for small and micro businesses.
  • Limitations large vibration and high noise (usually> 85dB).
  • Typical applications: Small dental clinics, research laboratories.

4. scroll oil-free air compressor

  • principle: The dynamic vortex disk revolves around the static vortex disk to form a closed compression chamber.
  • Features:
    • silent operation noise as low as 60dB, suitable for hospital environment.
    • Small displacement: Exhaust volume is usually <1m & sup3;/min.
  • Field of application: Medical imaging equipment, micro-spray robots.

5. centrifugal oil-free air compressor

  • principle: High-speed impeller centrifugal pressurization, non-contact compression.
  • Advantage:
    • atmospheric volume: Single stage compression up to 100m & sup3;/min.
    • Low maintenance: No wearing parts, MTBF>50,000 hours.
  • Challenge: Need to support the cooling system, high energy consumption.
  • Main application air separation unit, large fermentation tank gas supply.

Selection recommendations

  1. high demand for cleanliness: Select water lubrication or dry grinding type (pay attention to resin compatibility).
  2. Noise sensitive scene: Priority vortex or centrifugal.
  3. Limited budget reciprocating is suitable for short-term transition, but noise reduction measures should be reserved.

Industry case: An electronics factory due to compressed air oil led to a decline in product yield, change to water-lubricated oil-free air compressor, the non-yield rate from 3% to 0.5, equipment investment recovery period of only 18 months.

More Recommendations

  • 2026-04-10

    Safety Operation Regulations for Screw Air Compressor

    The safety operation procedures of screw air compressor mainly include the following contents: preparation before starting the 1.: the operator must be familiar with the structure, performance, working principle, operating procedures and matters needing attention of the air compressor, and undergo technical training and safety training.

    View details
  • 2026-04-13

    Efficiency of dry oil-free screw air compressor

    Dry oil-free screw air compressors show significant advantages in terms of efficiency, thanks to their unique design and working principle. 1. oil-free lubrication system with high efficiency and energy saving characteristics: dry oil-free screw air compressor adopts oil-free lubrication design, which avoids the traditional air compressor

    View details
  • 2026-04-10

    How about permanent magnet variable frequency air compressor

    In modern industrial production, air compressor as an important power equipment, its performance and efficiency is directly related to the production cost and operational efficiency of enterprises. Recently, I had the honor to experience the water-lubricated screw air compressor produced by Shanghai Granklin Group, which uses permanent magnet frequency conversion.

    View details
  • 2026-04-10

    What is the standard pressure of the air compressor?

    The standard pressure of the air compressor is not a fixed value, but is determined according to the specific application requirements. Generally speaking, the pressure level of air compressor can be divided into the following ranges: low pressure air compressor: the exhaust pressure is generally below 1.6MPa(16 bar), which

    View details
  • 2026-04-09

    What is the air compressor used?

    The main function of the air compressor is to provide compressed air. The air compressor sucks in air and compresses it to output an airflow with a certain pressure. This airflow is widely used in industrial production, manufacturing and other fields. Specifically, the air compressor

    View details
  • 2026-04-09

    What is the power of oil free air compressor?

    Question: What is the power of the oil-free air compressor? Answer: Usually the electric motor oil-free air compressor is the main body of a gas source device, which is a device that converts the mechanical energy of the prime mover (usually an electric motor) into gas pressure energy. And Shanghai Grank

    View details
  • 2026-04-13

    Oil-free air compressor and oil which is better

    In the field of air compressors, oil-free air compressors and oil-free air compressors have their own unique advantages and application scenarios. The choice of which is better often depends on specific application requirements and working conditions. In this paper, the water-lubricated screw air compressor produced by the Shanghai Glanklin Group is taken as an example, and the deep

    View details
  • 2026-04-10

    Is the screw air compressor special equipment?

    Whether the screw air compressor is a special equipment depends on the relevant regulations and standards of different countries and regions. In China, screw air compressor is listed as one of the special equipment. This is because the screw air compressor needs to compress the gas during operation.

    View details
  • 2026-04-10

    Permanent magnet variable frequency screw air compressor which brand is of good quality

    The permanent magnet frequency conversion screw air compressor has a good performance in many brands. Which brand is of good quality needs to be judged according to the specific needs and evaluation criteria of users. The following are some excellent brands in the field of permanent magnet frequency conversion screw air compressor:

    View details
  • 2026-04-09

    How to remove the water vapor of air compressor?

    Answer: The air tank is a drain valve, the amount of water vapor or more can use the dryer (freeze dryer, adsorption dryer), in the collocation of post-processing with precision filters, you can effectively remove the water in the compressed air.

    View details