【Haichuan Equipment Guessing Game】The housing has a square hole; it is used in specific industries
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Do you know what kind of valve this is? Should this square hole be located before or after the valve? ? We welcome everyone to actively participate in the discussions
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I’ve never seen it; let me guess: the square hole is probably at the valve side.
Should the square hole be located before or after the valve?
Should the square hole be located before or after the valve?
For low-temperature butterfly valves equipped with a maintenance compartment, what type of gasket is suitable for use at the maintenance cover of that compartment? https://bbs.hcbbs.com/thread-3009152-1-1.html (Source: Huahai Chuanliu – Haichuan Chemical Industry Forum Website)
There is basically no information about such valves on Baidu