【Haichuan Equipment Guessing Game】The sealing type is quite special, designed for use in high temperatures and high pressures

For the answer, see: Application of Ω-ring sealing structure in high-pressure heat exchangers https://bbs.hcbbs.com/thread-2274862-1-1.html (Source: Haichuan Chemical Industry Forum)

Everyone is welcome to participate in the following series of sharing discussions; clicking on the link will take you there. -------------------------------------------------------------------------- This is a compilation post for the 【Guess the Haichuan Equipment】 series – all Haichuan enthusiasts are encouraged to join in! https://bbs.hcbbs.com/thread-2079686-1-1.html (Source: Haichuan Chemical Industry Forum) Summary post for the 【Haichuan. Pioneers in the Chemical Industry】 series. https://bbs.hcbbs.com/thread-1842627-1-1.html (Source: Haichuan Chemical Industry Forum) Summary post for the 【In-depth Discussion on Modular Installation in Haichuan】 – everyone is welcome to participate in the discussions! https://bbs.hcbbs.com/thread-1773168-1-1.html (Source: Haichuan Chemical Industry Forum) The compilation posts of the 【Haichuan Food Guessing】 series are being updated continuously – with thousands of different foods, can you recognize them all? https://bbs.hcbbs.com/thread-2142205-1-1.html (Source: Haichuan Chemical Industry Forum) [Haichuan Chemical Industry Site] Summary post on nitre caves – why did ancient people produce nitre in caves? ? https://bbs.hcbbs.com/thread-2145992-1-1.html (Source: Haichuan Chemical Industry Forum Website)

Ω ring sealing https://bbs.hcbbs.com/thread-1134787-1-1.html (Source: Haichuan Chemical Industry Forum)

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May I ask what an omega ring is? https://bbs.hcbbs.com/thread-313012-1-1.html (Source: Haichuan Chemical Industry Forum Website)

It looks like a high-pressure storage tank; it must be for liquefied gas!