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The amendment refers to clause 2 'definition' and states: delete the text and substitute: nominal pressure (PN): A numerical designation which is a convenient round number for reference purposes. All equipent of the same nominal size (DN) designated by the same PN number shall have compatible mating dimensions. Gives additionally two notes.
| Author | ISO/TC 5/SC 10 Metallic flanges and their joints |
|---|---|
| Editor | ISO |
| Document type | Norms amendments |
| Format | Paper |
| Edition | 1 |
| ICS | 23.040.01 : Pipeline components and pipelines in general
|
| Number of pages | 1 |
| Modify | ISO 7268:1983
|
| Weight(kg.) | 0.1017 |
| Year | 1980 |
| Country | Switzerland |