This document specifies the characteristics of the fitness for purpose of crosslinked polyethylene (PE-X) piping systems intended to be used for hot and cold water installations within buildings for the conveyance of water whether or not intended for human consumption (domestic systems), and for heating systems, under design pressures and temperatures appropriate to the class of application (see ISO 15875-1).
It also specifies the test parameters for the test methods referred to in this standard.
The designation crosslinked polyethylene is used together with the abbreviation PE-X throughout ISO 15875, including this document.
ISO 15875 covers a range of service conditions (application classes), design pressures and pipe dimension classes. For values of design temperature (TD), maximum temperature (Tmax), malfunction temperature (Tmal) and service times in excess of those defined in ISO 15875-1, this document does not apply.
NOTE 1 It is the responsibility of the purchaser or specifier to make the appropriate selections from these application classes (see ISO 15875 part 1), taking into account their particular requirements and any relevant national regulations and installation practices or codes.
The ISO 15875 standards series is a piping system standard.
This part shall only be used in conjunction with all the other parts of ISO 15875. This document is applicable to joints between pipes conforming to ISO 15875-2 and fittings made of plastics and non-plastics materials conforming to ISO 15875-3, for hot and cold water installations.
In order to comply with this standard all requirements of this document shall be met.
NOTE 2 The test results obtained from a specific piping system test according ISO 15875-5 cannot be transferred to other combinations of pipes and fittings.
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