GB/T 20221-2006
AbolishedUnplasticized poly(vinyl chloride)(PVC-U) pipes for non-pressure buried drainage and sewerage systems
无压埋地排污、排水用硬聚氯乙烯(PVC-U)管材
Application Summary AI generated
GB/T 20221-2006 specifies the requirements for unplasticized poly(vinyl chloride) (PVC-U) pipes used in non-pressure buried drainage and sewerage systems. It applies to municipal and industrial underground pipelines for transporting wastewater, stormwater, and sewage at atmospheric pressure, ensuring structural integrity and chemical resistance. This standard is primarily referenced by manufacturers, civil engineers, and construction inspectors for quality control and installation of gravity-fed drainage networks.
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Transparency note: The application summary and key sentences on this page were automatically generated by AI from the standard's original text. This content has not been human-verified and should not be used for compliance or regulatory purposes. Always refer to the official standard document from the issuing authority.