How to buy oil-free air compressor

There are corresponding standards for purchasing air compressors according to different industries. Oil-free air compressors are generally used in some industries with higher air quality requirements. Laboratories and medical industries belong to them. For laboratories, oil and gas in oil-free air compressors will affect valves, nozzles, pollute air or tamper with measurement data, thus affecting test results. Therefore, laboratories generally use oil-free air compressors for analysis, testing or quality control.

For medical air compressors, stability is the most important factor. At the same time, medical compressed air must be clean and sanitary. Therefore, it is best to choose oil-free air compressors, such as mechanical ventilation required by ICU ward ventilator, equipment gas required by dental equipment in operating room, equipment that does not meet the requirements will threaten the life safety of patients, the service life of high-quality medical equipment and the function of precision equipment. These air compressors belong to the category of medical equipment, there are also corresponding standards and certifications, which should be paid attention to when purchasing.

First of all, it is necessary to know what is an oil-free air compressor and understand its working principle. At present, the main engine of oil-free air compressor adopts water-lubricated air compressor. If it is not of this type, it can be definitely judged that this type of air compressor does not belong to oil-free air compressor, and the air quality cannot meet the requirements of oil-free air compressor.

Working principle: The crankshaft of the piston compressor rotates once, the piston reciprocates once, and the process of air intake, compression and exhaust is successively realized in the cylinder, which completes a working cycle. The structural design of single shaft and double cylinder makes the gas flow rate of the compressor twice that of the single cylinder at a certain rated speed, and the vibration and noise control is well controlled.

Secondly, the oil-free air compressor has those parameter requirements and whether the identification is correct and complete. Whether the technical parameter identification is complete and correct. Parameters identified by international practice include metric and US units.

Choose oil-free air compressor is best to choose a big brand, reliable, and good after-sales service! Like the domestic Granklin air compressor is not bad, the domestic air compressor is already a good product.