【Common Issues in Haichuan Pipeline Design】-- Dual valves and blind flanges for chemical pipelines! Comprehensive analysis of regulatory basis, applicable scenarios, and selection criteria
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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 account are often discovered. These issues are collected and compiled into a series, which is being updated continuously. Everyone is welcome to actively participate in discussions. A compilation post on \"Common Issues in Haichuan Pipeline Design\" is available; it’s being updated, and discussions are welcome: https://bbs.hcbbs.com/thread-5705828-1-1.html ------------------------------------------------------------------
【HaiChuan Safety Discussion】Compilation of Hidden Dangers Around Us – with pictures and texts; everyone is welcome to participate in the discussion: https://bbs.hcbbs.com/forum.php?mod=viewthread&tid=5705518 (Source: HaiChuan Chemical Forum (HuaHaiChuanLiu hcbbs))
【Common Issues in Haichuan Pipeline Design】--Understand the “four key elements” for valve installation to avoid having to make changes through the three inspections and four confirmations! ! ! https://bbs.hcbbs.com/forum.php?mod=viewthread&tid=5722620 (Source: Haichuan Chemical Industry Forum (Hua Haichuan Liu hcbbs))
The 【Haichuan Equipment Guessing】 series will continue to be updated in 2027 – all Haichuan fans are welcome to participate actively! https://bbs.hcbbs.com/forum.php?mod=viewthread&tid=2079686 (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 sees technological breakthroughs and industrial upgrading https://bbs.hcbbs.com/forum.php?mod=viewthread&tid=5722409 (Source: Haichuan Chemical Forum (Hua Hai Chuan Liu hcbbs))
【HaiChuan Safety Discussion】Hidden Dangers Around Us – Unclear Labels on Valve Switches and Unclear Operating States https://bbs.hcbbs.com/forum.php?mod=viewthread&tid=5722956 (Source: HaiChuan Chemical Forum (HuaHaiChuanLiu hcbbs))
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