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Jiangsu Oil-Free Screw Compressor: Clean Air Solution

The water-lubricated screw compressor produced in Jiangsu uses water as the lubricating medium to realize true oil-free compression, and outputs ISO 8571-1 Class 0 Clean Air, which is widely used in medicine, food, electronics and other industries that…

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Influencing Factors of Compressor External Pressure Ratio

External pressure ratio (P_dis/P_suc) is the key operating parameter of the compressor, which is affected by multiple factors such as inlet and exhaust pressure, gas physical properties, rotating speed and isentropic efficiency. This paper analyzes its physical meaning,…

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Test Standard for Noise Value of Air Compressor

This paper introduces the main standards GB/T 4980 and ISO 3744 of air compressor noise test, analyzes the significance of sound power level (LWA) as the core evaluation index, and explains the working condition requirements of noise detection,…