2026-04-10Views：
The oil content of compressed air refers to the mass or volume concentration of liquid or solid grease, particles and other impurities carried in the compressed air. This parameter is very important for many industrial applications, because compressed air with high oil content may have adverse effects on some industrial equipment and production processes, such as wear of mechanical parts and product quality. In addition, in the food, pharmaceutical and other industries, it is also necessary to use compressed air with low oil content to ensure that the products produced meet hygiene standards.
The oil content of compressed air is usually expressed in ppm (parts per million), which indicates the amount of a trace substance in a mixture. In practical applications, the oil content of compressed air is affected by many factors, such as the quality of the oil and gas separator, the blockage of the oil return pipe or the oil return check valve, the opening pressure of the pressure maintaining valve is too low, the use pressure is too low, and The quality of the oil appears foam.
In order to ensure that the quality of compressed air meets the relevant standards and requirements, it is necessary to regularly test and maintain the compressed air system. This includes monitoring the oil content of the compressed air system, replacing the oil and gas separator core and other components in time, maintaining the smooth flow of the oil return pipe and ensuring the normal operation of the pressure maintenance valve. In addition, some advanced compressed air treatment technologies, such as adsorption, infrared spectroscopy, ion migration, etc., can be used to detect the oil content in compressed air to ensure that the quality of compressed air meets relevant standards and requirements.
In industrial production, insufficient air consumption of air compressors is a common problem, which may lead to a decline in production efficiency and even affect the normal operation of the production line. In response to this problem, the water-lubricated screw air compressor produced by Shanghai Granklin Group provides an efficient and flexible solution.
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Requirements for solid particle content of compressed air vary according to application fields and specific scenes. International standard ISO 8573-1 and domestic standard GB/T 13277.4 both provide detailed classification and measurement methods. The following are specific instructions: 1. international standard: ISO 8573-1ISO
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