2026-05-20Views：
When the screw air compressor is working, the gas discharged will contain a small amount of oil. Generally speaking, the oil content of each cubic meter of compressed gas is about three to five milligrams. Although this value looks very small, if the gas consumption is very large and accumulates over time, a lot of oil will still be accumulated in the pipelines and gas-using equipment.
The traditional oil-lubricated screw air compressor relies on oil to help seal between the rotors, and also uses oil to take away the heat generated during operation. Therefore, the exhaust with oil is a feature of this type of machine. Although it will pass through the oil and gas separation and filtration device, it cannot be completely removed.
The practice of water lubricated screw air compressor is completely different. It uses water instead of oil and undertakes the two tasks of sealing and cooling. The water forms a thin film of water between the rotors, sealing the gap and taking away the heat generated by friction. Because there is no oil in the whole compression process, the gas discharged is basically free of oil and very clean. This method is particularly suitable for those who require high gas purity occasions, such as food processing, pharmaceutical, electronic manufacturing industries.
The industry standards for medical air compressors mainly include the following aspects: Safety: Medical air compressors must comply with relevant national safety standards. Standards to be followed include ISO 7396-1, Air and Oxygen Piping Systems for Medical Institutions
The displacement of screw air compressor is a key parameter to measure its core performance, and its definition, influencing factors and practical significance can be elaborated from the following angles: the definition of 1. displacement The displacement of screw air compressor (also known as volume flow or air supply) refers to the unit time.
Oil-free air compressors require lubrication during operation to reduce friction and wear, but they do not use traditional lubricating oils to achieve this. On the contrary, oil-free air compressors use other methods for lubrication, the most common of which is to use water as a lubricant, that is, water
The end-of-life of screw air compressor is not a fixed value, but is affected by many factors. These factors include, but are not limited to, equipment quality, use environment, maintenance, and operating specifications. Overview of end-of-life In general, screw
The power consumption of the air compressor mainly comes from the following aspects: The operation of the compressor: The compressor is the core component of the air compressor, which is responsible for compressing the air and increasing its pressure. This process needs to consume a lot of electricity. Compressor efficiency, model selection and
The pressure of the air compressor usually depends on its design and application requirements. In general, the pressure range of industrial air compressors is between 0.7 and 1.2 megapascals (MPa), which is equivalent to 7 to 12 bar (bar). This pressure range is usually sufficient for most industrial production.
Oil compressors and oil-free compressors can be distinguished from the following aspects: Use of lubricating oil: Oil compressor: Lubricating oil needs to be injected during the compression process to lubricate the running parts of the compressor, such as crankshafts, cylinders, Valves etc. None
High-power air compressors are widely used in many fields. The following are some of the main application areas: Machinery manufacturing: In the machinery manufacturing industry, high-power air compressors are used in various pneumatic equipment and tools, such as machining center program control, Combined machine tool program control
Permanent magnet variable frequency air compressor and screw air compressor: which is better? In the air compressor market, permanent magnet variable frequency air compressor and screw air compressor are high-profile products. They have their own characteristics and are suitable for different application scenarios. permanent magnet transformer
Q: What are the types of screw air compressor? A: Screw air compressor has a single screw, twin screw. Single screw is divided into oil-free air compressor with oil air compressor. Shanghai granklin group produces single screw air compressor, which is called water lubricated oil-free screw air compressor.
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