【Common Issues in Haichuan Pipeline Design】--Understand the “four key elements” for valve installation to avoid having to make modifications through the three inspections and four confirmations! ! !
Thread Content
This post was last edited by HaiChuan LaoYu on 2026-6-5 at 14:03. The 25th National \"Safety Production Month\" in 2026: Everyone should talk about safety and know how to handle emergencies; identify and address potential risks and hazards. -------------------------------------------------- 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 discussions. Summary post on common problems in HaiChuan pipeline design – ongoing updates; feel free to join the discussions: https://bbs.hcbbs.com/thread-5705828-1-1.html ------------------------------------------------------------------
【Haichuan Teahouse】12.9 million candidates have arrived on the battlefield! ! Wish the students success and top rankings! Let’s all come and cheer on the students! https://bbs.hcbbs.com/forum.php?mod=viewthread&tid=5722667 (Source: Haichuan Chemical Industry Forum (Hua Hai Chuan Liu hcbbs))
【Ten Years of Rapid Development in Chemical Equipment】3147-2026: Guangxi Petrochemical’s dual-functional SSBR production line went into operation – Domestic high-end tire rubber achieves technological breakthroughs and industrial upgrading https://bbs.hcbbs.com/forum.php?mod=viewthread&tid=5722409 (Source: Haichuan Chemical Forum (Hua Haichuan Liu hcbbs))
【History of Haichuan Chemical】In September 1976, the Liaohe Fertilizer Plant was built and put into operation. https://bbs.hcbbs.com/forum.php?mod=viewthread&tid=5723047 (Source: Haichuan Chemical Forum (Hua Haichuan Liu hcbbs))
【Ten Years of Rapid Development in Chemical Equipment】Major breakthroughs from 3148 to 2026! The world’s first 100-ton-scale integrated industrial demonstration project for photoelectrochemical ammonia synthesis was successfully completed on a pilot scale in Yulin. https://bbs.hcbbs.com/forum.php?mod=viewthread&tid=5722543 (Source: Haimen Chemical Industry Forum (HCBBS))
【In-depth Discussion on HaiChuan’s Modular Installation】Modular installation of the first large-scale steel structure for the 300,000 tons/year high-pressure low-density polyethylene plant in the Tarim Phase II ethylene project https://bbs.hcbbs.com/forum.php?mod=viewthread&tid=5723159 (Source: HaiChuan Chemical Forum (HuaHaiChuanLiu hcbbs))
【Ten Years of Rapid Development in Chemical Engineering Equipment】From 3155 to 2026: The world’s first 550kV gas-insulated switchgear (GIS) without sulfur hexafluoride (SF6) was successfully put into operation in power grids. https://bbs.hcbbs.com/forum.php?mod=viewthread&tid=5722952 (Source: Haichuan Chemical Industry Forum (HCBBS))
【History of Haichuan Chemical】The defunct fertilizer plant – Shandong’s first factory with an annual production capacity of 3,000 tons of synthetic ammonia – Linqu Fertilizer Plant https://bbs.hcbbs.com/forum.php?mod=viewthread&tid=5723249 (Source: Haichuan Chemical Forum (Hua Haichuan Liu hcbbs))