What is a wall valve? Is the setting of the wall valve a process setting or an equipment?
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I read a post today that talked about wall valves. What is a wall valve? Is the setting of the wall valve a process setting or an equipment?
After searching the forum, there are these posts discussing the direction of the loose point wall valve of the catalytic cracking switch. https://bbs.hcbbs.com/thread-545232-1-1.html (Source: Haichuan Chemical Forum) Why doesn’t the stable tower top reflux line have a wall valve? ? https://bbs.hcbbs.com/thread-858191-1-1.html (Source: Haichuan Chemical Forum) Is there any leakage in the catalytic regenerator unloader wall valve flange? How to control https://bbs.hcbbs.com/thread-2195018-1-1.html (Source: Haichuan Chemical Forum) How to operate the catalytic cracking catalyst sampling system (see picture)? https://bbs.hcbbs.com/thread-967355-1-1.html (Source: Haichuan Chemical Forum)
“Pneumatic control valve in the form of "air-lock";P
The wall valve is also described in the information, but there is not much information on the Internet. It feels a bit like the first valve of the equipment.
There must be a typo, "qi apnea" was typed as "qi wall". Don't get entangled, just pay appropriate attention. I've never heard of such a thing as a "wall".
He should be the first person to do it!
But I saw a few posts talking about this thing again