BS EN ISO 15875-2:2025

This standard BS EN ISO 15875-2:2025 Plastics piping systems for hot and cold water installations. Crosslinked polyethylene (PE-X) is classified in these ICS categories:

• 23.040.20 Plastics pipes
• 91.140.60 Water supply systems

This document specifies the characteristics of pipes for 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 according to the class of application (see ISO 15875-1:2025, Table 1). This document also specifies the test parameters for the test methods referred to in this document. It is applicable to PE-X pipes with and without barrier layer. This document is applicable to PE-X pipes for hot and cold water installations, which are intended to be connected to fittings conforming to ISO 15875-3, whereby the joints conform to the requirements of ISO 15875-5.