Plastics piping systems for soil and waste discharge (low and high temperature) inside buildings. Styrene copolymer blends (SAN + PVC)
建筑物内土壤和废物排放(低温和高温)用塑料管道系统 苯乙烯共聚物共混物(SAN+PVC)
This document specifies the requirements for solid-wall styrene copolymer blend (SAN + PVC) pipes and fittings for soil and waste discharge (low and high temperature) above ground inside buildings, and for the system itself. It does not include buried pipework.