Blind plate location
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May I ask why the positions of blind flanges 1 and 2 in the diagram are installed at different locations? Is there any different effect? It’s still a design flaw! Could the expert explain it?
Is there a mistake? It should be the same as ①
Regarding the location of the blind flange, consider whether there is a cut-off before and after it if you decide to adjust it, in order to ensure safety.
Personally, I think all those in Figure 2 are the same and there’s no difference, but as mentioned above for Figure 1, it depends on the actual operating conditions; theoretically there’s no difference, but the operating conditions still need to be taken into account.