There is a leakage in the packing of the shut-off valve on the cold box; can it be blown out with steam?
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That’s how our factory handles it, right?
Try not to do so; if frosting is severe, you can use room temperature water or instrument air for cleaning
Just use some filler and it’ll be done, right?:lol
In cases of severe frosting, it can be cleaned using normal temperature water or instrument air