This document specifies the materials, product classification, requirements, test methods, inspection rules, marking, transportation and storage of high-performance rigid polyvinyl chloride pipes for low-pressure sewage and drainage (referred to as PVC-UH low-pressure sewage and drainage pipes). This document is applicable to the manufacturing and inspection of PVC-UH low-pressure sewage and drainage pipes buried outdoors and in pipe corridors. The manufacture and inspection of industrial low-pressure or non-pressure sewage and drainage pipes can be used as a reference if they meet the conditions of chemical resistance and heat resistance. This document does not apply to sewage and drainage PVC pipes in buildings.
T/SDAS 492-2022 history
2022T/SDAS 492-2022 High-performance rigid polyvinyl chloride (PVC-UH) pipes for low-pressure sewage and drainage