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Status : Active
Standard Type : Main
Document No : ISO 7268/Amd 1 : 1984
Document Year : 1984
Pages : 1
Edition : 1
Section Volume : Metallic flanges and their joints (ISO/TC 5/SC 10.)
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.