ISO 4065:2018 specifies the relationship between the nominal wall thickness en and the nominal outside diameter dn of thermoplastics pipes.
ISO 4065:2018 is applicable to solid-wall thermoplastics pipes of constant circular cross-section along the whole length of the pipe, whatever their method of manufacture, their composition or their intended application.
NOTE Pipes with constant circular cross-section along the whole length of the pipe are commonly known as pipes with smooth external and internal surfaces.
Status: PublishedPublication date: 2018-01
Corrected version (en): 2019-12Stage: International Standard confirmed [90.93]
Edition: 3Number of pages: 10
Technical Committee :ISO/TC 138ICS :23.040.20
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