本文件规定了内外光滑的实心壁管道的要求 用于土壤和废物排放应用（低温和高温）的未增塑聚氯乙烯（PVC-U）管道系统的墙壁、配件和系统中，从相同配方挤出的表面: -建筑物内部（应用区域代码“B”）；-适用于建筑内部和建筑结构内的地下（应用区域代码 “BD”）。购买本文件时可获得的所有当前修订均包含在购买本文件中。

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 unplasticized poly(vinyl chloride) (PVC-U) piping systems intended for soil and waste discharge applications (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").All current amendments available at time of purchase are included with the purchase of this document.