SR EN 1566-1:2023

This document specifies the requirements for solid wall pipes with smooth internal and external surfaces, extruded from the same formulation throughout the wall, fittings and the system of chlorinated poly(vinyl chloride) (PVC-C) piping systems intended for soil and waste discharge (low and high temperature): - inside buildings (application area code “B”); - for both inside buildings and buried in ground within the building structure (application area code “BD”). NOTE 1 The intended use is reflected in the marking of products by “B” or “BD”. NOTE 2 Application “B” covers uses above ground inside buildings, or outside buildings fixed onto the wall. NOTE 3 Pipes and fittings of the pipe series S 25 are intended to be used for application area “B” only. NOTE 4 For use buried in ground within the building structure are intended only those components (marked with “BD”) with nominal outside diameters equal to or greater than 75 mm. NOTE 5 EN 476 [5] specifies the general requirements for components used in discharge pipes, drains and sewers for gravity systems. Pipes and fittings conformin