Whether a compressed-air storage tank qualifies as special equipment depends on its operating pressure, volume, and the nature of the contained medium. According to TSG 21, if the tank simultaneously meets the criteria of a design pressure ≥…
Month: July 2026
The fermentation process relies on highly purified compressed air, requiring stringent control of oil, moisture, particulates, and microorganisms. This article provides a detailed overview of the classification standards for sterile compressed air in biopharmaceutical applications, the requirements for…
This article provides a detailed explanation of the definition and calculation methodology for compressor displacement, with a particular focus on the physical significance of FAD (Free Air Delivery) as the standard for actual output. It distinguishes between volumetric…
The discharge pressure of an air compressor is a key technical parameter that reflects its compressed-air output capacity. It is closely related to the exhaust pressure and the working pressure, yet it has a distinct physical meaning. This…
A pressure dew point of −40°C corresponds to a moisture content of approximately 0.119 g/m³ at atmospheric pressure; when the operating pressure increases, the actual water load must be scaled accordingly. This paper analyzes the principles underlying the…
Oil-free air compressors, as essential power equipment in modern industry, eliminate lubricant‑based contamination and provide high‑purity air supplies for sectors such as food processing, healthcare, and electronics. This article provides a detailed analysis of the operating principles, key…
This article analyzes the current core standards for food-grade compressed air, ISO 8573‑1:2010 and GB/T 13277.1, detailing the classification criteria for particulates, moisture, and oil content in cleanliness classes, and outlining the practical requirements and key verification points…
The design of an air compressor room directly affects the operational efficiency and service life of the equipment. This article provides a detailed analysis of the design codes for air compressor rooms, covering key aspects such as site…
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