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) : 2019-12
Edition : 3Number of pages : 10
Technical Committee:Plastics pipes, fittings and valves for the transport of fluids
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