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This post was last edited by yinkuilin6868 on 2015-12-14 at 14:38. The quality and safety of food and drugs have always been a key concern, and in industries that are closely related to civil affairs, it is particularly important to ensure product quality through proper production processes and technical measures. Oil-free air plays a very important role in food manufacturing. Therefore, the technological innovation process of \"zero-oil\" air compressors has helped the industry overcome the challenges of environmental protection and safety, allowing it to achieve both objectives simultaneously. ★ Oil-free air safeguards food safety ★ At present, companies do not fully recognize the importance of 100% oil-free air, and there is also a certain sense of luck among them. In the food manufacturing industry, compressed air is used to control valves and braking devices in automated production lines for filling, packaging, and bottling. The transportation of powdered materials, as well as processes such as aeration, ventilation, fermentation, cooling, and spraying, all require completely pure compressed air. Any slight contamination caused by oil-containing air can pose health risks to consumers, while companies may also be forced to suspend production due to quality issues, resulting in losses and even the destruction of their reputation. To meet the increasingly stringent requirements of various applications, the new international standard ISO 8573-1 has redefined air purity, classifying air with a quality level of CLASS 0 (oil-free grade 0) as 100% pure air. "\"Zero oil at level zero\" means zero risk of pollution, and its importance lies not only in the quality of the air itself but also as a key factor in ensuring safety. Currently, demand for oil-free air compressors in the market is on the rise, a trend driven by various factors. Firstly, consumers’ growing concerns regarding their health and their increasing awareness of food safety place higher demands on the production process, requiring high quality and pollution-free products ; Secondly, the SFDA (**Food and Drug Administration**) has intensified its oversight of food safety, imposing increasingly strict requirements on compressors, thereby increasing external policy pressure ; Thirdly, Chinese product exports must meet international high standards for quality and safety, prompting enterprises to use oil-free air to produce food. These will undoubtedly further increase food manufacturing companies’ emphasis on oil-free air and their demand for oil-free air compressors. ★ “Can one have both “fish” and “bear paws”? ★ For any user, it is in their interest to seek products and solutions that offer high performance at low prices. But paradoxically, high-performance products are expensive, while products with lower costs may not meet the required quality standards; it’s like trying to have both the fish and the bear’s paws – it’s difficult to achieve both. How to balance performance and price naturally becomes an important consideration for manufacturers and users. In the food production sector, where strict safety and quality standards apply, there are solutions for \"technically oil-free air\" available on the market; these solutions involve the use of oil-injected air compressors, along with air cooling devices and multi-stage oil removal filters to eliminate oil particles from the air. This approach requires relatively low initial investment, which is why it is adopted by many small and medium-sized food manufacturing companies. However, changes in external conditions such as temperature and pressure can affect the oil removal efficiency, leading to the retention of tiny oil particles or contamination of certain processing steps, and ultimately causing food safety issues. Currently, some leading compressor manufacturers such as Atlas employ the innovative \"zero-oil\" technology, which uses water from the condensers in the intermediate and aftercoolers to wash away the trace amounts of oil present in the air. This approach ensures that the air quality reaches CLASS 0, while simultaneously minimizing maintenance costs and additional energy expenses. For a company, the initial procurement costs may seem to be the most significant and deserve the most attention, but throughout the lifecycle of the equipment or project, this is merely the beginning; the cost-benefit challenges will remain ongoing over the long term. Shifting from a piecemeal approach to taking an overall view in order to maximize total revenue has become an issue that many users are reconsidering, driven by the concept of the entire life cycle.