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      GB/T 20221-2023 "Rigid polyvinyl chloride (PVC) (PVC-U) pipes for sewage and drainage without pressure" standard specifies the requirements for sewage and drainage pipe systems made of hard polyvinyl chloride (PVC) (PVC-U) mixtures by extrusion molding. This standard covers the requirements of pipe materials, classification, Appearance, size specifications, physical and mechanical properties, hydrostatic strength, sanitary performance and system suitability, and describes the corresponding test methods. Applicable to sewage and drainage pipe systems buried in buildings or outdoor floors, including industrial, civil and special purpose fields.

      This summary is not the original standard text and is for reference only. For accurate information, please obtain it through official channels.
      Status Active
      CCS G33 ICS 83.140.30
      Release Date 2023-09-07 00:00:00 Implementation Date 2024-04-01 00:00:00
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