[Common Issues in Haichuan Pipeline Design] – A compilation post; images and text are being updated. Discussions are welcome
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This post was last edited by HaiChuan LaoYu on 2025-11-20 at 11:04. During the design, installation, and inspection of pipelines, small issues that have been overlooked or not taken into consideration are often discovered. These issues are collected and organized into a series, which is being updated continuously. Everyone is welcome to actively participate in the discussions
【Common Issues in Haichuan Pipeline Design】No isolation measures taken for direct contact between stainless steel pipes and non-stainless steel supports https://bbs.hcbbs.com/thread-5705827-1-1.html (Source: Haichuan Chemical Forum (Hua Haichuan Liu hcbbs))
【Common Issues in Haichuan Pipeline Design】Don’t Let Valve Stem Handles Become an Obstacle https://bbs.hcbbs.com/thread-5705775-1-1.html (Source: Haichuan Chemical Forum (Hua Haichuan Liu hcbbs))
【Common Issues in Haichuan Pipeline Design】No local pressure gauge is installed at the pump outlet, or it is not convenient for operation. https://bbs.hcbbs.com/thread-5705825-1-1.html (Source: Haichuan Chemical Forum (Hua Haichuan Liu hcbbs))
【Common Issues in Haichuan Pipeline Design】For pipelines carrying substances such as ethyl acetate and methanol in tank areas, the spacing between these pipelines is less than 10 cm, and no equipotential bonding has been implemented. https://bbs.hcbbs.com/thread-5705733-1-1.html (Source: Haichuan Chemical Industry Forum (Hua Haichuan Liu hcbbs))
【Common Issues in Haichuan Pipeline Design】Lack of insulation in pipes for outdoor eyewash stations https://bbs.hcbbs.com/thread-5705732-1-1.html (Source: Haichuan Chemical Forum (Hua Haichuan Liu hcbbs))
【Common Issues in Haichuan Pipeline Design】No check valve installed on the nitrogen sealing pipeline of the storage tank https://bbs.hcbbs.com/thread-5705722-1-1.html (Source: Haichuan Chemical Forum (Hua Haichuan Liu hcbbs))
【Common Issues in Haichuan Pipeline Design】Liquid pockets exist in the pipeline layout, but no drain valves have been installed. https://bbs.hcbbs.com/thread-5705721-1-1.html (Source: Haichuan Chemical Forum (Hua Haichuan Liu hcbbs))
【Common Issues in Haichuan Pipeline Design】--Using this method for static grounding on such large pipelines seems rather inadequate. https://bbs.hcbbs.com/thread-5703310-1-1.html (Source: Haichuan Chemical Forum (Hua Haichuan Liu hcbbs))
【Common Issues in Haichuan Pipeline Design】--Which media require closed-loop sampling https://bbs.hcbbs.com/thread-5703314-1-1.html (Source: Haichuan Chemical Forum (Hua Haichuan Liu hcbbs))
【Common Issues in Haichuan Pipeline Design】Proper consideration should be given to the space required for equipment maintenance and the operating space for valves. https://bbs.hcbbs.com/thread-5705460-1-1.html (Source: Haichuan Chemical Industry Forum (Hua Haichuan Liu hcbbs))