T/ZZB 0485-2018 Modified polyvinyl chloride (PVC) solid-wall pipe for power and communication in urban integrated pipe gallery
T/ZZB 0485-2018 Modified polyvinyl chloride (PVC) solid-wall pipe for power and communication in urban integrated pipe gallery
Basic Information
Scope
Main technical content: This standard specifies the terms and definitions, symbols and abbreviations, product classification and marking, basic requirements, pipe structure and connection methods, technical requirements, test methods, inspection rules, marking, transportation and storage, and quality commitments for modified polyvinyl chloride solid-wall pipes used for power and communication protection in urban comprehensive pipe galleries. This standard is applicable to modified polyvinyl chloride solid-wall pipes used for power and communication protection in urban comprehensive pipe galleries, and can also be used for modified polyvinyl chloride solid-wall pipes used for power and communication protection in subways and tunnels. The pipes are mainly made of polyvinyl chloride (PVC) resin, which is blended and modified by extrusion molding