What do these symbols in the assembly diagram mean? Thank you
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What does circle 16\" in the diagram represent? What does N1.1 mean? What does N1A.1 mean again? The two circles in the diagram point to a flange face; why are there two circles as the standard?
16\" represents 16 inches, which is 400 mm； N1.1 represents the outer diameter ； N1A.1 represents the inner diameter; it is a tube that is larger on the outside and smaller on the inside, is that how it should be explained?
May I ask, what does \"outer large and inner small insertion tube\" mean – does it mean that this tube extends inside the reactor vessel? Has the diameter changed?
It should be the takeover size and the flange outer diameter.
I suggest that next time you ask others to help you examine a diagram, it’s better to send the entire diagram, as the legends used by different design firms vary. Sending it in the way you did forces others to guess,,,
Let me guess: 16 must be the size,,, Things like N1.1 – does N stand for the nozzle, that is, an abbreviation for nozzle? The first 1 represents the serial number, while the subsequent letters denote other flange connections compatible with the same nozzle. The .1 at the end represents the quantity (it could also be a sequence number/serial number). Just a guess,,,
I’m a primary school student; I want to learn something new!
In my opinion, the symbol above indicates the pipe outlet, while the value below indicates its size. This is the standard format used in most drawings. As for N8.1 and N8A.1, they are simply two different symbols for pipe outlets, just like Pipe Outlet A and Pipe Outlet B
The upper part is the port code, while the lower part is the nominal size of the port
The upper part is the port code, while the lower part is the nominal size of the port.