T/SDAS 492-2022 Low-pressure drainage and sewage pipe made of high-performance rigid polyvinyl chloride (PVC-UH) tube material
T/SDAS 492-2022 Low-pressure drainage and sewage pipe made of high-performance rigid polyvinyl chloride (PVC-UH) tube material
Basic Information
Scope
Main technical content: 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 manufacture and inspection of PVC-UH low-pressure sewage and drainage pipes for outdoor buried applications and in pipe galleries. The manufacture and inspection of industrial low-pressure or non-pressure sewage and drainage pipes can be used as a reference when meeting the requirements of chemical resistance and heat resistance. This document is not applicable to PVC sewage and drainage pipes used in buildings.