SR EN 14758-1:2023

This document specifies the requirements for solid-wall pipes and fittings with or without internal and/or external skin, and the system of piping systems made from mineral modified polypropylene materials (PP-MD) in the field of non-pressure underground drainage and sewerage outside the building structure (application area code "U"), and non-pressure underground drainage and sewerage for both buried in ground within the building structure and outside the building structure (application area code "UD"). This is reflected in the marking of products by "U" and "UD". NOTE 1 The skins are made of PP compound without mineral modifier. It also specifies the test parameters for the test methods referred to in this document. This document covers a range of nominal sizes, a range of pipe stiffness classes and gives recommendations concerning colours. NOTE 2 It is the responsibility of the purchaser or specifier to make the appropriate selection from these aspects, taking into account their particular requirements and any relevant national regulations and installation practices or codes. In co