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I would like to ask the experienced colleagues: when it comes to installing blind plates on-site, I have a humble question – for which types of blind plates is it necessary to install tags, and should temporary blind plate tags be used in such cases? ? ?
Regular blind plates need to have a ledger number, and temporary blind plates also require a ledger. For the temporary blind plates used during maintenance work here, they must be assigned uniform numbers along with their locations; management must sign off on them. Once the maintenance is complete, these blind plates need to be completely retrieved, and management must sign off again to confirm this.
Blind plate numbers are labeled, and records are filed for archiving. All of this is to remember about the blind flanges, so as to avoid problems in future work caused by assuming they have not been removed.
It is possible to tell whether it is a blind plate or a blind plate ring just by looking at its shape, without the need for a label.
This is required by regulations to be labeled and kept in a register. I think blind plates are best made of two-colored plates, in a circular shape with a long handle; red would be ideal as it’s very eye-catching. Then use a engraving machine to engrave the numbers on it. Each blind flange has a unique number. It’s also convenient for keeping records. Another one is prominent. It’s obvious at a glance that there are blind plates on it.