[Guess what Haichuan Equipment] What are you doing carrying a bunch of dried squid? /
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Do you know what this master is carrying? ?
The [Ocean Equipment Guess] series will continue to be updated in 2021, and all Haichuan friends are welcome to actively participate! https://bbs.hcbbs.com/thread-2079686-1-1.html (Source: Haichuan Chemical Forum-Haichuanliu)
This is an air bag. It is used for sampling and testing before tank and tower maintenance, after replacement, and if it is not qualified, it cannot be entered.
It shouldn't be because it's unqualified. It's because of the hazards of the gas, and it's more durable than glass bottles.
There is a possibility of failure, because failure means that it may explode\ud83d\ude2c
For on-site sampling, open the sampling valve and replace it several times, then take the sample to the analysis room for analysis.