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Flange help post

2018-09-17View Original

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I would like to ask the experts here: why do the sealing surface dimensions on flanges with convex, uneven, or tenon-and-socket surfaces shown in the diagram vary, with some being designated as f1, some as f2, and others as f3? Is there any standard for making such distinctions?
Reply #22018-09-17
This is the dimension code for the corresponding part of the flange. When you need to find the dimensions of a flange for a specific part, look up the corresponding dimension code in the flange dimension table, and you will be able to obtain the dimensions of that flange part.
Reply #32018-09-17
I really don’t care about this; why use a ruler just for no reason?

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