90.93 Standard confirmed Sep 3, 2020
ISO
ISO/TC 138/SC 5 General properties of pipes, fittings and valves of plastic materials and their accessories -- Test methods and basic specifications
International Standard
23.040.20 Plastics pipes
Published
ISO 17456:2006 specifies two alternative methods for determining the long-term hydrostatic strength of multilayer pipes: a calculation method applicable to multilayer P pipes (all polymer layers) and a test method applicable to both multilayer P and multilayer M pipes (polymer and metal layers).
It is not applicable to pipes consisting of one polymeric stress-designed layer or having an outside polymeric layer that is not stress-designed.
PUBLISHED
ISO 17456:2006
90.93
Standard confirmed
Sep 3, 2020