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2018-08-12View Original

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Is the DN nominal diameter used for pipe threads the same as the nominal diameter commonly referred to in seamless pipes?

Reply #22018-08-12

The specific dimensions are different. Also, are you sure that pipe threads are also denoted by DN, rather than NPT or something similar?

Reply #32018-08-12

I don’t think I’ve heard of pipe threads being denoted with DN.

Reply #42018-08-13

In the table of images, there is a column indicating the diameter; it all starts with DN. Does this DN refer to the same thing as the nominal diameter DN of seamless pipes?

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